Nortel CVX 1800 Hardware Installation Manual
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Nortel CVX 1800 Hardware Installation Manual

Multi-service access switch
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296-1011-200
Document Revision 08.01
CVX Multi-Service Access Switch
Release 5.0
August 2001
CVX 1800 Multi-Service

Access Switch

Hardware Installation Guide

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Summary of Contents for Nortel CVX 1800

  • Page 1: Access Switch

    296-1011-200 Document Revision 08.01 CVX Multi-Service Access Switch Release 5.0 August 2001 CVX 1800 Multi-Service Access Switch Hardware Installation Guide...
  • Page 2 Networks. All other trademarks are the property of their owners. © 2001 Nortel Networks. All rights reserved. Information in this document is subject to change without notice. Nortel Networks assumes no responsibility for any errors that may appear in this document.

  • Page 3: Regulatory And Safety

    Do not attempt to repair or modify this equipment. All repairs must be performed by Nortel Networks, or an authorized Nortel Networks representative.

  • Page 4: Canadian Requirements

    Canadian Requirements Canadian Department of Communications Radio Interference Regulations This digital apparatus (CVX 1800) does not exceed the Class A limits for radio-noise emissions from digital apparatus, as documented in the Radio Interference Regulations of the Canadian Department of Communications.

  • Page 5: European Requirements

    European Requirements EMI/EN 55 022 Statement This certifies that the Nortel Networks CVX 1800 switch is shielded against the generation of radio interference in accordance with the application of Council Directive 89/336/EEC, Article 4a. Conformity is declared by the application of EN 55 022:1998 and EN 55 024:1998.
  • Page 6 Regulatory Information JATE Requirements This certifies that the Nortel Networks CVX 1800 switch conforms to the standards set by JATE (Japan Approvals Institute for Telecommunications Equipment) as of 02/25/99 with Approval Numbers T99-6007-0 and N99-N337-0. 296-1011-200 Rel. 5.0, Doc. Rev. 08.01...

  • Page 7: Safety Warnings

    The DC system must not be grounded elsewhere. • For the CVX 1800 switch, the DC power supply must be located on the same premises as the CVX 1800 switch. • You must not switch or disconnect devices in the grounded conductor between the DC power supply and the point of connection of the grounding electrode conductor.

  • Page 8: Lithium Battery Caution

    CVX 1800 Hardware Installation Guide Safety Warnings Lithium Battery Caution Caution: Danger of explosion if battery is incorrectly replaced. Replace only with the same or equivalent type recommended by the manufacturer. Discard used batteries according to the manufacturer’s instructions. Attention: Il y a danger d’explosion s’il y a remplacement incorrect de la batterie. Remplacer uniquement avec une batterie du même type ou d’un type recommandé...

  • Page 9: Table Of Contents

    Contents Regulatory and Safety Regulatory Information ......................iii U.S.A. Requirements ....................iii Australian Requirements .................... iv Canadian Requirements .................... iv European Requirements ..................... v Japan/Nippon Requirements Only ................v Safety Warnings .......................vii General Warnings ......................vii DC Power Supply Warnings ..................vii Lithium Battery Caution .....................viii Preface About This Guide......................xxi Introduction .......................xxi...
  • Page 10 Rear View of CVX 1800 Chassis ................1-4 Preparing the Site for the Installation ................1-5 Overview ........................1-5 Reference .........................1-5 Mounting the CVX 1800 in a Rack .................1-6 Rack Capacity ......................1-6 Rack Requirements ....................1-7 Nortel Networks Rack Recommendation ..............1-7 Rack Placement .......................1-7 Ceiling Requirements ....................1-8...
  • Page 11 CVX 1800 Chassis Overview ..................2-2 Description .......................2-2 Remote Access Configuration ..................2-2 Where to Install ......................2-2 Front View of CVX 1800 Chassis ................2-3 Rear View of CVX 1800 Chassis ................2-4 Preparing the Site for the Installation ................2-5 Overview ........................2-5 Reference .........................2-5...
  • Page 12 Mounting the CVX 1800 in a Rack .................2-6 Rack Capacity ......................2-6 Rack Requirements ....................2-7 Nortel Networks Rack Recommendation ..............2-7 Rack Placement .......................2-7 Ceiling Requirements ....................2-8 Size and Weight Considerations ................2-8 Reference .........................2-8 Nortel Networks PTE 2000 Rack ................2-8 Reference ......................2-8 Anchor Kits ......................2-9...
  • Page 13 Installing the Chassis .....................2-22 Installing the External AC Power Supply ..............2-24 Overview ........................2-24 Determining Power Distribution ................2-24 Mounting Options ....................2-25 Procedure .......................2-25 Chapter 3 Chassis Connections About This Chapter......................3-1 Introduction ......................3-1 Topics ........................3-1 Connecting Alarms ......................3-3 Introduction ......................3-3 Alarm Categories .....................3-3 Alarm Types ......................3-4 References ......................3-6 Procedure .........................3-7...
  • Page 14 Grounding the Chassis ...................3-20 Grounding Options ..................3-20 Using the NEBS-Compliant Dual-Connector Posts .........3-21 Using the Compression Terminal ..............3-23 Connecting Customer-Supplied DC Power Source ..........3-25 Prerequisites ....................3-25 Removing the Protective Cover ...............3-25 Options for Connecting to a DC Power Source ..........3-26 Using the Compression Terminals ..............3-26 Using the Loop Connectors ................3-30 Next Step ......................3-31...
  • Page 15 Connecting Equipment to a Local Ethernet Port ............3-50 Description ......................3-50 Connecting a Remote Device Using an Ethernet Port ...........3-50 Applying Power to the CVX 1800 .................3-51 Procedure .......................3-51 Checking the LEDs .......................3-52 Introduction ......................3-52 SCC-SM, SCC-RLTM (Ethernet 10/100 Mb/s ports) ..........3-53 LEDs on the SCC-SM ..................3-54...
  • Page 16 Removing and Installing Filler Panels ..............4-4 Removing a Rear Filler Panel ................4-5 Installing a Rear Filler Panel ................4-6 Removing a Front Filler Panel ................4-8 Installing a Front Filler Panel ................4-11 Replacing the SCC-SM ..................4-15 Reference ......................4-15 Removing the SCC-SM ...................4-16 Installing an SCC-SM ..................4-19 Reference ......................4-22 Replacing the SCC-LTM/RLTM ................4-23...
  • Page 17 Electromagnetic Emissions and Radio Frequency ............A-6 CVX 1800 Requirements ..................A-6 Cable Specifications ...................... A-7 Cables Supplied by Nortel Networks ............... A-7 Cables Supplied by Customer ................. A-7 Management Console Cable Specifications ............A-8 DB-9 Pin and Signal Assignments ..............A-9 DB-9 to DB-25 Pin and Signal Assignments .............
  • Page 18 Methods of Cooling ....................B-5 Airflow ........................B-5 Electromagnetic Emissions and Radio Frequency ............B-6 CVX 1800 Requirements ..................B-6 Cable Specifications ...................... B-7 Cables Supplied by Nortel Networks ............... B-7 Cables Supplied by Customer ................. B-7 xviii 296-1011-200 Rel. 5.0, Doc. Rev. 08.01...
  • Page 19 Management Console Cable Specifications ............B-8 DB-9 Pin and Signal Assignments ..............B-9 HSSI Interface ...................... B-10 HSSI DTE to DCE Interface Cable Pin and Signal Assignments ....B-10 Ethernet 10/100BASE-TX Interface Cable Specifications ........B-12 Ethernet 10/100BASE-TX Pin and Signal Assignments ......... B-12 E1 and T1 Interface Line Specifications ..............
  • Page 20 Replacing the Chassis Air Filter .................. B-24 Description ......................B-24 Removing the Filter ....................B-24 Reinstalling the Air Filter ..................B-25 Index 296-1011-200 Rel. 5.0, Doc. Rev. 08.01...

  • Page 21: Preface

    Preface About This Guide Introduction This guide describes how to install the Nortel Networks CVX* 1800 Multi-Service Access Switch for Telco and Internet service provider (ISP) customers. Because installation procedures vary between Telco and ISP customers, use this manual as a guide for installation.

  • Page 22: Chapters And Appendixes In This Guide

    CVX 1800 Hardware Installation Guide Chapters and Appendixes in This Guide Chapters and Appendixes in This Guide This guide contains the following chapters and appendixes: Go to Metal Fascia Chassis Installation Chapter 1 Plastic Fascia Chassis Installation Chapter 2 Chassis Connections...

  • Page 23: Information About Cvx Products

    This version of the CVX Access Switch documentation supports software delivered to customers using CVX Release 5.0 software. Accessing Related Documentation For information about gaining access to documentation, contact your Nortel Networks account representative. Accessing Software Upgrades Software upgrades are accessible online through the World Wide Web at http:// www.nortelnetworks.com.

  • Page 24: Customer Services

    Outside the USA: Contact your Regional Nortel Networks Support Prime. Product Damage If any part of the CVX 1800 is damaged, contact the shipper to conduct an inspection and prepare a damage report. Save the shipping container and all packing materials until the inspection and the damage report are completed.

  • Page 25: Metal Fascia Chassis Installation

    Metal Fascia Chassis Installation About This Chapter Introduction This chapter describes how to install the CVX 1800 chassis that contains modules with metal fascia (faceplates). For installing the chassis with modules with plastic fascia, see Chapter 2, “Plastic Fascia Chassis Installation.”...

  • Page 26: Cvx 1800 Chassis Overview

    An optional redundant external AC power supply Where to Install You can install the CVX 1800 chassis on a flat surface, or you can install it in a Telco or standard EIA 19-inch or 23-inch computer rack. 296-1011-200 Rel. 5.0, Doc. Rev. 08.01...

  • Page 27: Front View Of Cvx 1800 Chassis

    Metal Fascia Chassis Installation CVX 1800 Chassis Overview Front View of CVX 1800 Chassis The following figure shows the front of the metal fascia CVX 1800 chassis. Door in closed position CVX 1800 Do Not Block Air Inlets Door in open position...

  • Page 28: Rear View Of Cvx 1800 Chassis

    CVX 1800 Hardware Installation Guide CVX 1800 Chassis Overview Rear View of CVX 1800 Chassis The following figure shows the rear of the metal fascia CVX 1800 chassis. ESD Strap Jack DS1x12 DS1x12 System Redundant Audible Crit Line termination Crit...

  • Page 29: Preparing The Site For The Installation

    Preparing the Site for the Installation Overview Before you install the CVX 1800 chassis, you need to prepare your site. Consider the installation of the rack, tools and equipment needed, space requirements, and weight. These issues are addressed in detail in this chapter.

  • Page 30: Mounting The Cvx 1800 In A Rack

    CVX 1800 Hardware Installation Guide Mounting the CVX 1800 in a Rack Mounting the CVX 1800 in a Rack Rack Capacity You can install four CVX 1800 switches in a standard Telco or Electronics Industry Association (EIA) rack. 7 ft Telco rack CVX 1800...

  • Page 31: Rack Requirements

    Caution: Nortel Networks does not authorize the use of racks with front or rear doors or side panels. The operating environment must provide airflow at 200 cubic feet per minute (CFM) per CVX 1800 chassis at a temperature range of 32° to 104°F (0° to 40°C). The optimal ambient temperature for reliable CVX 1800 operation is 68°...

  • Page 32: Ceiling Requirements

    Before you install the rack at your site, make sure that the equipment room can accomodate the size and weight of the rack and the CVX 1800. To determine the total weight, add the weight of all of the CVX 1800 chassis (about 100 lb, 45.36 kg each), and the weight of the rack.

  • Page 33: Anchor Kits

    Nortel Networks offers four types of PTE 2000 anchor kits; each kit contains two anchors. If you do not plan to order anchor kits from Nortel Networks, you can use other anchor kits that provide the same level of seismic protection.

  • Page 34: Space Requirements

    CVX 1800 Hardware Installation Guide Mounting the CVX 1800 in a Rack Space Requirements The following table lists the PTE 2000 racks and dimensions. Width in Depth in Height in Rack Type Part Number Inches (mm) Inches (mm Inches (mm)

  • Page 35: Access Considerations

    Use freight elevators (if available) to move the equipment to upper floors. Rack Cooling Requirements You can install up to four CVX 1800 switches in a standard Telco or EIA rack without front or rear doors or side panels. Nortel Networks recommends using a PTE 2000 rack.

  • Page 36: Preparing For The Cvx 1800 Installation

    You have network lines available. Unpacking the Shipment The CVX 1800 is secured to a pallet and covered by a box to protect the contents during shipment. Move the shipping container to the installation site before unpacking the CVX 1800.
  • Page 37 Metal Fascia Chassis Installation Preparing for the CVX 1800 Installation Step Action Remove the packing material surrounding the chassis. Using a Phillips screwdriver, remove the four screws that secure the chassis to the pallet brackets. Turn the Phillips screwdriver counterclockwise to remove screws.

  • Page 38: Checking The Shipment

    See “Technical Support” page xxiv. Tools and Equipment Needed Before you install the CVX 1800 chassis, ensure that you have all of the necessary tools, cables, console equipment, and mounting hardware. Tools You must have the following tools: •...

  • Page 39: Cables And Cable Ties

    Cable ties are needed to bundle network and power cables, to provide access to LTM and RLTM modules. Service Console You can connect a service console or a PC to the CVX 1800 to monitor startup diagnostics and to perform manual startup and configuration. See Chapter 3, “Chassis Connections,”...

  • Page 40: Installing The Cvx 1800 Chassis

    If you need to reposition the preinstalled mounting flanges, read the next section. Caution: Before you install the CVX 1800 chassis in a rack, ensure that the rack is sturdy and well secured. A fully configured CVX 1800 chassis weighs about 100 lb, which could make an unsecured rack top-heavy or unstable.

  • Page 41: Zone 4 Mounting Flanges

    Metal Fascia Chassis Installation Installing the CVX 1800 Chassis Zone 4 Mounting Flanges For zone 4 earthquake protection, you must use zone 4 flanges. The following table provides descriptions and ordering numbers for these items. Order Number Description 800-00051 19-inch, flush mount, EIA...
  • Page 42 CVX 1800 Hardware Installation Guide Installing the CVX 1800 Chassis Step Action Start each screw by hand, then use the Phillips screwdriver to tighten the screws to 25 in-lb. FLUSH-MOUNT POSITION Turn clockwise to tighten screws. CVX-0113A MID-MOUNT POSITION Turn clockwise to tighten screws.

  • Page 43: Installing Mounting Flanges For A 23-Inch Rack

    Metal Fascia Chassis Installation Installing the CVX 1800 Chassis Installing Mounting Flanges for a 23-Inch Rack If you are using a 23-inch rack, find the wide mounting flanges and screws in the accessory kit. These flanges are optional and may not be included in your shipment.

  • Page 44: Telco And Eia Rack Hole Spacing

    Installing the CVX 1800 Chassis Telco and EIA Rack Hole Spacing You can use mounting flanges to install the CVX 1800 chassis in a Telco or EIA rack. Telco and EIA racks have 0.5-inch spacing between the dual mounting holes, and 0.625-inch spacing between the dual mounting hole pairs. The following figure shows the positions on the mounting flange that you use for Telco and EIA racks.

  • Page 45: Hardware Needed To Complete The Chassis Installation

    Eight truss-head mounting screws (included in the shipment) • Phillips #2 screwdriver Caution: A fully configured CVX 1800 chassis can weigh about 100 lb. You should have at least two people to assist you in lifting and holding the chassis in position at installation time.

  • Page 46: Installing The Chassis

    CVX 1800 Hardware Installation Guide Installing the CVX 1800 Chassis Installing the Chassis To install the chassis, follow these steps: Step Action Have at least two people lift the chassis to the desired installation height. Move the chassis up or down to properly align the positions on the mounting flanges with the mounting holes on the Telco or EIA rack.
  • Page 47 Caution: You must tighten the screws sufficiently to support the CVX 1800 chassis. If using the PTE 2000 rack, tighten the provided hex-head screws to 75 in-lb, using a torque-regulating ratchet. Nortel Networks cannot recommend a specific torque value for other racks.

  • Page 48: Installing The External Ac Power Supply

    Overview The optional external AC power supply contains up to three independent 1500 W power modules. Each 1500 W power module can power one CVX 1800. You can configure the external AC power supply as a fully redundant, load-sharing power system.

  • Page 49: Mounting Options

    To install the external AC power supply, follow these steps: Step Action Locate a suitable position in a rack close to the CVX 1800 chassis. Lift the power supply to the desired installation height. Align the flange holes with the holes on the front vertical supports of the (plastic fascia CVX chassis shown) rack.
  • Page 50 CVX 1800 Hardware Installation Guide Installing the External AC Power Supply Step Action Install each power supply module by sliding it into an available slot. Secure each power supply module by turning the large thumbscrew clockwise until it stops. 1-26...

  • Page 51: Plastic Fascia Chassis Installation

    Chapter 2 Plastic Fascia Chassis Installation About This Chapter Introduction This chapter describes how to install the CVX 1800 chassis that contains modules with plastic fascia. For installing the metal fascia chassis, see Chapter 1, “Metal Fascia Chassis Installation.” Topics...

  • Page 52: Cvx 1800 Chassis Overview

    An optional redundant external AC power supply Where to Install You can install the CVX 1800 chassis on a flat surface, or you can install it in a Telco or standard EIA 19-inch or 23-inch computer rack. 296-1011-200 Rel. 5.0, Doc. Rev. 08.01...

  • Page 53: Front View Of Cvx 1800 Chassis

    Plastic Fascia Chassis Installation CVX 1800 Chassis Overview Front View of CVX 1800 Chassis The following figure shows the front of the plastic fascia CVX 1800 chassis. Jack CVX 18oo Fans Fan module Slots 9 & 10 for System Controller...

  • Page 54: Rear View Of Cvx 1800 Chassis

    CVX 1800 Hardware Installation Guide CVX 1800 Chassis Overview Rear View of CVX 1800 Chassis The following figure shows the rear of the plastic fascia CVX 1800 chassis. ESD jack 16 slots for DAC and MAC line termination modules Grounding...

  • Page 55: Preparing The Site For The Installation

    Preparing the Site for the Installation Overview Before you install the CVX 1800 chassis, you need to prepare your site. Consider the installation of the rack, tools and equipment needed, space requirements, and weight. These issues are addressed in detail in this chapter.

  • Page 56: Mounting The Cvx 1800 In A Rack

    CVX 1800 Hardware Installation Guide Mounting the CVX 1800 in a Rack Mounting the CVX 1800 in a Rack Rack Capacity You can install four CVX 1800 switches in a standard Telco or Electronics Industry Association (EIA) rack. 7 ft Telco rack CVX 18oo...

  • Page 57: Rack Requirements

    Caution: Nortel Networks does not authorize the use of racks with front or rear doors or side panels. The operating environment must provide airflow at 200 cubic feet per minute (CFM) per CVX 1800 chassis at a temperature range of 32° to 104°F (0° to 40°C). The optimal ambient temperature for reliable CVX 1800 operation is 68°...

  • Page 58: Ceiling Requirements

    Before you install the rack at your site, make sure that the equipment room can accomodate the size and weight of the rack and the CVX 1800. To determine the total weight, add the weight of all of the CVX 1800 chassis (about 100 lb, 45.36 kg each), and the weight of the rack.

  • Page 59: Anchor Kits

    Nortel Networks offers four types of PTE 2000 anchor kits; each kit contains two anchors. If you do not plan to order anchor kits from Nortel Networks, you can use other anchor kits that provide the same level of seismic protection.

  • Page 60: Space Requirements

    CVX 1800 Hardware Installation Guide Mounting the CVX 1800 in a Rack Space Requirements The following table lists the PTE 2000 racks and dimensions. Width in Depth in Height in Rack Type Part Number Inches (mm) Inches (mm Inches (mm)

  • Page 61: Access Considerations

    Use freight elevators (if available) to move the equipment to upper floors. Rack Cooling Requirements You can install up to four CVX 1800 switches in a standard Telco or EIA rack without front or rear doors or side panels. Nortel Networks recommends using a PTE 2000 rack.

  • Page 62: Preparing For The Cvx 1800 Installation

    You have network lines available. Unpacking the Shipment The CVX 1800 is secured to a pallet and covered by a box to protect the contents during shipment. Move the shipping container to the installation site before unpacking the CVX 1800.

  • Page 63: Checking The Shipment

    In particular: • Confirm that the shipment includes any additional cables you have ordered. • Check all items for shipping damage. Note: If you detect or suspect any damage, do not install the CVX 1800 chassis. See “Technical Support” page xxiv.

  • Page 64: Tools And Equipment Needed

    CVX 1800 Hardware Installation Guide Preparing for the CVX 1800 Installation Tools and Equipment Needed Before you install the CVX 1800 chassis, ensure that you have all of the necessary tools, cables, console equipment, and mounting hardware. Tools You must have the following tools: •...

  • Page 65: Service Console

    Plastic Fascia Chassis Installation Preparing for the CVX 1800 Installation Service Console You can connect a service console or a PC to the CVX 1800 to monitor startup diagnostics and to perform manual startup and configuration. See Chapter 3, “Chassis Connections,”...

  • Page 66: Installing The Cvx 1800 Chassis

    If you need to reposition the preinstalled mounting flanges, read the next section. Caution: Before you install the CVX 1800 chassis in a rack, ensure that the rack is sturdy and well secured. A fully configured CVX 1800 chassis weighs about 100 lb, which could make an unsecured rack top-heavy or unstable.

  • Page 67: Zone 4 Mounting Flanges

    Plastic Fascia Chassis Installation Installing the CVX 1800 Chassis Zone 4 Mounting Flanges For zone 4 earthquake protection, you must use zone 4 flanges. The following table provides descriptions and ordering numbers for these items. Order Number Description 800-00051 19-inch, flush mount, EIA...
  • Page 68 CVX 1800 Hardware Installation Guide Installing the CVX 1800 Chassis Step Action Start each screw by hand, then use the Phillips screwdriver to tighten the screws to 25 in-lb. FLUSH-MOUNT POSITION CV X 18o Jack Power Failed Good Redun Yellow...

  • Page 69: Installing Mounting Flanges For A 23-Inch Rack

    Plastic Fascia Chassis Installation Installing the CVX 1800 Chassis Installing Mounting Flanges for a 23-Inch Rack If you are using a 23-inch rack, find the wide mounting flanges and screws in the accessory kit. These flanges are optional and may not be included in your shipment.

  • Page 70: Telco And Eia Rack Hole Spacing

    Installing the CVX 1800 Chassis Telco and EIA Rack Hole Spacing You can use mounting flanges to install the CVX 1800 chassis in a Telco or EIA rack. Telco and EIA racks have 0.5-inch spacing between the dual mounting holes, and 0.625-inch spacing between the dual mounting hole pairs. The following figure shows the positions on the mounting flange that you use for Telco and EIA racks.

  • Page 71: Hardware Needed To Complete The Chassis Installation

    Eight truss-head mounting screws (included in the shipment) • Phillips #2 screwdriver Caution: A fully configured CVX 1800 chassis can weigh about 100 lb. You should have at least two people to assist you in lifting and holding the chassis in position at installation time.

  • Page 72: Installing The Chassis

    CVX 1800 Hardware Installation Guide Installing the CVX 1800 Chassis Installing the Chassis To install the chassis, follow these steps: Step Action Have at least two people lift the chassis to the desired installation height. Move the chassis up or down to properly align the positions on the mounting flanges with the mounting holes on the Telco or EIA rack.
  • Page 73 Caution: You must tighten the screws sufficiently to support the CVX 1800 chassis. If using the PTE 2000 rack, tighten the provided hex-head screws to 75 in-lb, using a torque-regulating ratchet. Nortel Networks cannot recommend a specific torque value for other racks.

  • Page 74: Installing The External Ac Power Supply

    Overview The optional external AC power supply contains up to three independent 1500 W power modules. Each 1500 W power module can power one CVX 1800. You can configure the external AC power supply as a fully redundant, load-sharing power system.

  • Page 75: Mounting Options

    To install the external AC power supply, follow these steps: Step Action Locate a suitable position in a rack close to the CVX 1800 chassis. Lift the power supply to the desired installation height. Align the flange holes with the holes on the front vertical supports of the rack.

  • Page 77: Chassis Connections

    This chapter describes how to connect network cabling and optional console equipment to the CVX 1800. Note: This chapter contains figures of the plastic fascia CVX 1800 chassis (carrying number NTDY18BA). As the information is similar for the metal fascia CVX 1800 chassis (carrying number NTDY18AA), the metal fascia chassis is not shown.
  • Page 78 CVX 1800 Hardware Installation Guide About This Chapter Topic (continued) Page Connecting Equipment to the Console Port 3-40 Connecting Equipment to a Local Ethernet Port 3-50 Applying Power to the CVX 1800 3-51 Checking the LEDs 3-52 296-1011-200 Rel. 5.0, Doc. Rev. 08.01...

  • Page 79: Connecting Alarms

    Chassis Connections Connecting Alarms Connecting Alarms Introduction The SCC-LTM and SCC-RLTMs contain a terminal block that allows you to connect up to three audible alarms and three visual alarms. These alarms alert you to critical, major, and minor conditions. The top six screw terminals on the terminal block are available for audible alarms, such as bells;...

  • Page 80: Alarm Types

    CVX 1800 Hardware Installation Guide Connecting Alarms Alarm Types The following table lists specific alarm types, severity, and possible causes: Alarm Type Severity Description T1 Alarm Critical An alarm condition has been detected on the specified T1 line, or the signal on the T1 line has been lost.
  • Page 81 Chassis Connections Connecting Alarms Alarm Type Severity Description Sonet/SDH S Minor The Section Trace string in the received frame does Trace Mismatch not match the configured value in the StraceStringExpect attribute. Sonet/SDH P Minor The Path Trace string in the received frame does not Trace Mismatch match the configured value in the PtraceStringExpect attribute.

  • Page 82: References

    CVX 1800 Hardware Installation Guide Connecting Alarms Alarm Type Severity Description ATM ILMI Minor The ILMI interface is down. Disabled ATM PVPC Minor The PVPC/PVCC has been successfully created. PVCC Up ATM PVPC Minor The PVPC/PVCC is down. PVCC ATM APS...

  • Page 83: Procedure

    Chassis Connections Connecting Alarms Procedure To connect alarms to the terminal block, follow these steps: Step Action Select the terminals you want to use for the audible or visual alarm. Be sure to select a Return terminal for the alarm terminal you select. Use a small flat-tip screwdriver to loosen the two terminal screws for each alarm device you want to connect.

  • Page 84: Connecting Network Cables

    CVX 1800 Hardware Installation Guide Connecting Network Cables Connecting Network Cables Overview You will need to attach network cables to the following CVX 1800 interfaces: • 10/100BASE-T (on the SCC-LTM and SCC-RLTM) • DS1 (RJ-45/48C) • E1 (RJ-45/48C) • •...

  • Page 85: Connecting To 10/100Base-T Interfaces

    Chassis Connections Connecting Network Cables Connecting to 10/100BASE-T Interfaces Each 10/100BASE-T interface on the SCC-RLTM supports one full-duplex connection. To connect an Ethernet unshielded twisted pair (UTP) cable to a 10/100BASE-T interface, follow these steps: Step Action Plug the UTP connectors into the RJ-45 receptacles. Optical SCC-II-LTM 5XEthernet SCC-RLTM 3XEthernet SCC-RLTM...

  • Page 86: Connecting To Ds1 Interfaces

    CVX 1800 Hardware Installation Guide Connecting Network Cables Connecting to DS1 Interfaces The DS1-DAC-LTM provides 12 or 24 channelized T1 ports and one port for connecting to an external clocking device. Note: The module is labeled “DS1”, but the ports are T1 ports.

  • Page 87: Connecting To E1 Interfaces

    12 E1 ports Connect to the telephone network. Connect to the external clocking device (if used). CVX-0058A Note: Using shielded cabling is an electromagnetic interference (EMI) requirement for CVX 1800 E1 network configurations. 296-1011-200 Rel. 5.0, Doc. Rev. 08.01 3-11...

  • Page 88: Connecting To Ds3 Interfaces

    Connecting Network Cables Note: For UK installations using 75 ohm E1 coax, a balun is needed to connect to the 120 ohm impedance of the CVX switch. Nortel does not recommend a specific balun panel for this application. Connecting to DS3 Interfaces...

  • Page 89: Connecting To The Hssi Interface

    Chassis Connections Connecting Network Cables Connecting to the HSSI Interface The SCC-HSSI-RLTM contains one high-speed serial interface (HSSI) 50-pin connector. To connect a HSSI cable, follow this step: Step Action Plug the cable connector into the HSSI interface connector. Connect the other end of this cable to the router or network switching device.

  • Page 90: Connecting To The Oc3/Stm1 Interface

    CVX 1800 Hardware Installation Guide Connecting Network Cables Connecting to the OC3/STM1 Interface The Optical DAC-LTM contains two sets of optical ports (two primary and two redundant, each with separate Tx and Rx channels), consisting of a total of eight optical connections.

  • Page 91: Connecting An Optical Cable

    Chassis Connections Connecting Network Cables Connecting an Optical Cable To connect an optical cable, follow these steps: Step Action Remove the rubber plugs from each pair of ports. Optical DAC-LTM Optical SCC-II-LTM CVX-0135D (continued) 296-1011-200 Rel. 5.0, Doc. Rev. 08.01 3-15...
  • Page 92 CVX 1800 Hardware Installation Guide Connecting Network Cables Step Action Remove the protective covers from each optical connector. Remove cover. Remove covers. CVX-0138B (continued) 3-16 296-1011-200 Rel. 5.0, Doc. Rev. 08.01...

  • Page 93: Reference

    Chassis Connections Connecting Network Cables Step Action Orient the the optical cable connector so that the tab aligns with the slot in the port, and push the cable connector into the port. Optical SCC-II-LTM Optical DAC-LTM Connect to the optical port. Connect to the optical port.

  • Page 94: Connecting Power To The Chassis

    CVX 1800 Hardware Installation Guide Connecting Power to the Chassis Connecting Power to the Chassis Options for Power Sources You can power the CVX 1800 using one of the following power sources: • A customer-supplied DC power source with frame grounding •...

  • Page 95: Requirements

    Chassis Connections Connecting Power to the Chassis Requirements Before you connect the CVX 1800 to power and ground at the installation site: • Refer to your company or site specifications for information on the torque requirements for securing power and ground cables.

  • Page 96: Grounding The Chassis

    Connecting Power to the Chassis Grounding the Chassis Before connecting the CVX 1800 to either an external AC power supply or a customer-supplied DC power source, you must attach the ground cable (4 AWG to 8 AWG) to a suitable electrical ground at your facility. Grounding the frame is required for either powering option, and is the same for both options.

  • Page 97: Using The Nebs-Compliant Dual-Connector Posts

    Chassis Connections Connecting Power to the Chassis Using the NEBS-Compliant Dual-Connector Posts To ground the CVX 1800 chassis using the NEBS-compliant dual-connector posts, follow these steps: Step Action Locate a suitable ground cable at your facility. On the back of the chassis, locate the posts in the lower left corner, then remove the #8 locking nuts.
  • Page 98 CVX 1800 Hardware Installation Guide Connecting Power to the Chassis Step Action Place the grounding connectors over the posts, then secure the connectors using the #8 locking nuts. Turn clockwise to tighten nuts to 15 in-lb. 11/32-inch nut driver Ground cable to facility ground.

  • Page 99: Using The Compression Terminal

    Chassis Connections Connecting Power to the Chassis Using the Compression Terminal To ground the CVX 1800 chassis using the compression terminal, follow these steps: Step Action Locate a suitable ground cable at your facility. On the back of the chassis, locate the posts in the lower left corner.
  • Page 100 CVX 1800 Hardware Installation Guide Connecting Power to the Chassis Step Action Insert the stripped end of the wire into the compression terminal. Be sure to insert the wire between the retainer and the back of the connector. Turn clockwise to tighten screw to 24 in-lb.

  • Page 101: Connecting Customer-Supplied Dc Power Source

    Chassis Connections Connecting Power to the Chassis Connecting Customer-Supplied DC Power Source The DC power source is one of the options for supplying power to the CVX 1800. Prerequisites Before connecting the CVX 1800 to a DC power source, see “DC Power Supply...

  • Page 102: Options For Connecting To A Dc Power Source

    CVX 1800 Hardware Installation Guide Connecting Power to the Chassis Options for Connecting to a DC Power Source There are two ways to connect the CVX 1800 to a DC power source: • Use the compression terminals. • Use the loop connectors.
  • Page 103 Chassis Connections Connecting Power to the Chassis Use a wire stripper to remove approximately 1/2 inch of insulation from the -48V and RTN wires that connect to the DC power source. Remove 1/2 inch of insulation from the wire. CVX-0116A Insert the stripped end of the wires into the compression terminals.

  • Page 104: Top View

    CVX 1800 Hardware Installation Guide Connecting Power to the Chassis Use a 1/4-inch flat-tip or Robertson #2 screwdriver to tighten the locking screws to 18 in-lb. Turn clockwise to tighten screws to18 in-lb. 1/4-inch flat-tip or Robertson #2 screwdriver CVX_0115A Secure the cables using the cable mount on the lower right corner of the chassis.
  • Page 105 Chassis Connections Connecting Power to the Chassis Install the clear protective cover, securing it with two screws tightened to 15 in-lb. Warning: Whether the chassis is operating on AC or DC power, you must install the clear cover for protection against high voltage. Connect the -48V and RTN DC power cables to the DC power source.

  • Page 106: Using The Loop Connectors

    CVX 1800 Hardware Installation Guide Connecting Power to the Chassis Using the Loop Connectors To connect the CVX 1800 to a DC power source using the loop connectors, follow these steps: Step Action Use a Phillips screwdriver to loosen the recessed, left-most screws on the compression terminals, then remove the terminals from the chassis.

  • Page 107: Next Step

    Connect the -48V and RTN DC power cables to the DC power source. Next Step To apply power, see “Applying Power to the CVX 1800” page 3-51. 296-1011-200 Rel. 5.0, Doc. Rev. 08.01...

  • Page 108: Connecting To The External Ac Power Supply

    CVX 1800 Hardware Installation Guide Connecting Power to the Chassis Connecting to the External AC Power Supply The external AC power supply is one of the options for providing power to the CVX 1800. Connecting the Power Cable To connect the power cable, follow these steps:...
  • Page 109 Chassis Connections Connecting Power to the Chassis Step Action Insert the power cable into the receptacle labeled “Connect to CVX 1800 AC Front End Only.” Insert the other end of the power cable into the AC cable receptacle. 1. Insert the power cable into the receptacle. Be sure to insert the end with the box and loop into the chassis connector.

  • Page 110: Next Step

    CVX 1800 Hardware Installation Guide Connecting Power to the Chassis Next Step To apply power, see “Applying Power to the CVX 1800” page 3-51. 3-34 296-1011-200 Rel. 5.0, Doc. Rev. 08.01...

  • Page 111: Routing The Cables

    Routing the Cables Cable Mounts The CVX 1800 chassis includes plastic cable mounts to position the cables, using cable ties (not supplied), around the chassis. These mounts help to ensure that the cables at the back of the chassis do not obstruct airflow and do not obstruct the removal of LTMs and RLTMs.

  • Page 112: Routing Fiber Optic Cables

    Rack Standoff Brackets To ensure that the fiber optic cable is properly secured to the chassis, a rack-mounted bracket may be used to support the fiber optic cable. Nortel does not supply a bracket for this purpose. Securing and Wrapping Fiber Optic Cables Fiber optic cables can be secured with tie wraps, if not applied too tightly.

  • Page 113: Installing And Removing The Flash Memory Cards

    Description The SCC-SM contains dual PCMCIA slots for the flash memory card. The flash memory card provides storage for the CVX 1800 nonvolatile file system (NVFS), operating system software, and configuration files. When you insert the flash memory card, the NVFS automatically provides access to the flash memory card.

  • Page 114: Inserting A Flash Memory Card

    CVX 1800 Hardware Installation Guide Installing and Removing the Flash Memory Cards Inserting a Flash Memory Card To insert a flash memory card into a slot, follow these steps: Step Action Position the card so that its label is facing to the right.

  • Page 115: Removing A Flash Memory Card

    Installing and Removing the Flash Memory Cards Removing a Flash Memory Card To remove a flash memory card, follow these steps: Step Action If you have the metal fascia CVX 1800 chassis, open the chassis door. (See “Opening and Closing the Chassis Door” page B-21.) The plastic fascia CVX 1800 chassis does not have a door.

  • Page 116: Connecting Equipment To The Console Port

    Connecting Equipment to the Console Port Connecting Equipment to the Console Port Introduction You can connect a terminal, PC, modem, or terminal server to the CVX 1800, using the console port on the SCC. The following procedures provide steps for connecting each piece of equipment: •...

  • Page 117: Connecting A Terminal

    Chassis Connections Connecting Equipment to the Console Port Connecting a Terminal To connect a terminal to the CVX 1800 using the DB-9 to DB-9 cable, follow these steps: Step Action Turn on the terminal, then configure it using the parameters listed below.
  • Page 118 CVX 1800 Hardware Installation Guide Connecting Equipment to the Console Port Step Action Attach the 9-pin receptacle end of the console cable to the console port. Console port DB-9 to DB-9 console cable CVX-0052B 3-42 296-1011-200 Rel. 5.0, Doc. Rev. 08.01...
  • Page 119 Chassis Connections Connecting Equipment to the Console Port Step Action Attach the 9-pin plug end of the console cable to the DB-9 port on the back of the terminal. DB-9 to DB-9 console cable DB-9 port on terminal CVX-0227A 296-1011-200 Rel. 5.0, Doc. Rev. 08.01 3-43...

  • Page 120: Connecting A Pc

    CVX 1800 Hardware Installation Guide Connecting Equipment to the Console Port Connecting a PC To connect a PC to the CVX 1800 using the DB-9 to DB-9 cable, follow these steps: Step Action Attach the 9-pin receptacle end of the console cable to the Console port.
  • Page 121 Chassis Connections Connecting Equipment to the Console Port Step Action Connect the 9-pin plug end of the console cable to the DB-9 port on the back of the PC DB-9 port on PC CVX-0120B DB-9 to DB-9 console cable 296-1011-200 Rel. 5.0, Doc. Rev. 08.01 3-45...

  • Page 122: Connecting A Modem

    CVX 1800 Hardware Installation Guide Connecting Equipment to the Console Port Connecting a Modem To connect a modem to the CVX 1800, follow these steps: Step Action Turn on the modem, then configure it using the parameters listed below. For instructions, see the documentation for the modem.
  • Page 123 Chassis Connections Connecting Equipment to the Console Port Step Action Attach the 9-pin receptacle end of the modem cable to the console port. Console port DB-9 to DB-25 modem cable CVX-0054B Attach the 25-pin plug end of the modem cable to the modem’s DB-25 RS-232 data communications port.

  • Page 124: Connecting A Terminal Server

    Note: If you need remote dial-in access to the command line interface (CLI), you can connect a modem (AT or Hayes compatible) to the CVX 1800 using the DB-9 to DB-25 modem cable, or through a terminal server. Connecting a Terminal Server A terminal server provides remote access to multiple CVX switches through serial ports connected to the console port of the SCC-RLTMs.

  • Page 125: Recommendations

    CVX 1800 with Console port CVX 600 one SCC-RLTM with one SCC-RLTM AC PM 2 AC PM 1 CVX 1800 with two PDU 2 DC INPUT B PDU 1 DC INPUT A Optical SCC-II-LTMs Main Chassis System Controller only Ethernet ports...

  • Page 126: Connecting Equipment To A Local Ethernet Port

    The 10/100 Mb/s Ethernet port on the SCC-LTM or SCC-RLTM allows you to connect a remote PC or similar device to the CVX 1800 using an Ethernet hub. Connecting to a remote PC allows you to edit a CVX 1800 configuration using Telnet.

  • Page 127: Applying Power To The Cvx 1800

    Ensure that you have inserted the flash memory card in the left PCMCIA slot (C: drive) on the SCC. Apply power from the power source. If the CVX 1800 is connected to an external AC power supply, turn on the DC output power switch. 296-1011-200 Rel. 5.0, Doc. Rev. 08.01...

  • Page 128: Checking The Leds

    CVX 1800 Hardware Installation Guide Checking the LEDs Checking the LEDs Introduction The LEDs provide important information about the operating status of the system control and access cards. These include the following cards: • SCC-SM, SCC-RLTM (Ethernet 10/100 Mb/s ports) •...

  • Page 129: Scc-Sm, Scc-Rltm (Ethernet 10/100 Mb/S Ports)

    Chassis Connections Checking the LEDs SCC-SM, SCC-RLTM (Ethernet 10/100 Mb/s ports) The following figure shows the LEDs on the SCC-SM and SCC-RLTM. Note: The number of Ethernet connectors and Ethernet LEDs may vary from what is shown, depending on the model of LTM you have. However, the LED information is the same.

  • Page 130: Leds On The Scc-Sm

    CVX 1800 Hardware Installation Guide Checking the LEDs LEDs on the SCC-SM The following table describes the LEDs on the SCC-SM: State Meaning Power Power off On (green) Power on Good On (green) Successful system boot: no errors detected No power: failure detected or on standby...

  • Page 131: Scc-Hssi-Sm, Scc-Hssi-Rltm

    Chassis Connections Checking the LEDs SCC-HSSI-SM, SCC-HSSI-RLTM The following figure shows the LEDs on the SCC-HSSI-SM and SCC-HSSI-RLTM: SCC-HSSI-RLTM SCC-HSSI-SM CVX-0065C 296-1011-200 Rel. 5.0, Doc. Rev. 08.01 3-55...

  • Page 132: Leds On The Scc-Hssi-Sm

    CVX 1800 Hardware Installation Guide Checking the LEDs LEDs on the SCC-HSSI-SM The following table describes the LEDs on the SCC-HSSI-SM: State Meaning Power Power off On (green) Power on Good On (green) Successful system boot: no errors detected No power: failure detected or on standby...

  • Page 133: Optical Scc-Ii

    Chassis Connections Checking the LEDs Optical SCC-II The following figure shows the LEDs on the Optical SCC-II-SM and the Optical SCC-II-LTM: Optical SCC-II-LTM Optical SCC-II-SM CVX-0122E 296-1011-200 Rel. 5.0, Doc. Rev. 08.01 3-57...

  • Page 134: Leds On The Optical Scc-Ii-Sm

    CVX 1800 Hardware Installation Guide Checking the LEDs LEDs on the Optical SCC-II-SM The following table describes the LEDs on the Optical SCC-II-SM: State Meaning Power Power off On (green) Power on Good On (green) Successful system boot: no errors...

  • Page 135: Leds On The Optical Scc-Ii-Ltm

    Chassis Connections Checking the LEDs LEDs on the Optical SCC-II-LTM The following table describes the LEDs on the Optical SCC-II-LTM: State Meaning Link No link present On (green) Link present Not receiving data Flashing green Receiving data 296-1011-200 Rel. 5.0, Doc. Rev. 08.01 3-59...

  • Page 136: Optical Dac

    CVX 1800 Hardware Installation Guide Checking the LEDs Optical DAC The following figure shows the LEDs on the Optical DAC-SM: STM1/OC3 x 2 Good Fail Redun LOF LOS CVX-0137B 3-60 296-1011-200 Rel. 5.0, Doc. Rev. 08.01...

  • Page 137: Leds On The Optical Dac-Sms

    Chassis Connections Checking the LEDs LEDs on the Optical DAC-SMs The following table describes the LEDs on the Optical DAC-SMs: State Meaning Power Power off On (green) Power on Good On (green) Successful system boot: no errors detected No power: failure detected or on standby Flashing green Code loading during system boot Fail...

  • Page 138: Dac-Sm

    CVX 1800 Hardware Installation Guide Checking the LEDs DAC-SM The following figure shows the LEDs on the DS1-DAC-SMs, E1-DAC-SMs, and the DS3-DAC-SMs: 3-62 296-1011-200 Rel. 5.0, Doc. Rev. 08.01...

  • Page 139: Leds On The Dac-Sms

    Red (1 to 12 or On (red) Red alarm: remote switch is in yellow-alarm mode 1 to 24) because the CVX 1800 is not receiving a signal from the remote switch No alarm 296-1011-200 Rel. 5.0, Doc. Rev. 08.01 3-63...

  • Page 140: Mac-Sm

    CVX 1800 Hardware Installation Guide Checking the LEDs MAC-SM The following figure shows the LEDs on the MAC-SM: 3-64 296-1011-200 Rel. 5.0, Doc. Rev. 08.01...

  • Page 141: Leds On The Mac-Sm

    Chassis Connections Checking the LEDs LEDs on the MAC-SM The following table describes the LEDs on the MAC-SM: State Meaning Power Power off On (green) Power on Good On (green) Successful system boot: no errors detected No power: failure detected or on standby Failed No power On (red)

  • Page 143: Replacing Cvx 1800 Components

    Chapter 4 Replacing CVX 1800 Components About This Chapter Introduction This chapter describes how to replace CVX 1800 hardware components. Topics This chapter covers the following topics: Topic Page Attaching the Antistatic Wrist Strap Replacing Modules and Filler Panels Replacing the External AC Power Supply...

  • Page 144: Attaching The Antistatic Wrist Strap

    Attaching the Antistatic Wrist Strap Attaching the Antistatic Wrist Strap Location of Wrist Strap The antistatic wrist strap is located in the CVX 1800 accessory kit. Purpose of Wrist Strap The antistatic wrist strap directs the discharge of static electricity from your body to the chassis, thereby protecting sensitive electronic components.
  • Page 145 Replacing CVX 1800 Components Attaching the Antistatic Wrist Strap Step Action Place the strap around your wrist, then adjust it to ensure that the metal buckle inside the strap touches your skin. Plug the jack at the other end of the cable into the front or rear of the chassis, depending on which side of the chassis you are working.

  • Page 146: Replacing Modules And Filler Panels

    You must install filler panels in any empty slots at the front or rear of the CVX 1800 chassis. Filler panels ensure proper air flow in the chassis, as well as assist in emissions compliance. If you need to install a card in an empty slot, you must first remove the filler panel.

  • Page 147: Removing A Rear Filler Panel

    Replacing CVX 1800 Components Replacing Modules and Filler Panels Removing a Rear Filler Panel To remove a rear filler panel, follow these steps: Step Action Use a 1/4-inch flat-tip screwdriver to loosen the top and bottom screws. CVX-0125B Remove the filler panel.

  • Page 148: Installing A Rear Filler Panel

    CVX 1800 Hardware Installation Guide Replacing Modules and Filler Panels Installing a Rear Filler Panel Note: SCC fillers must be used for slot 9 or 10, adjacent to a single SCC-LTM. All other slots use a MAC/DAC filler. The fillers look identical except for the location of the screws.
  • Page 149 Replacing CVX 1800 Components Replacing Modules and Filler Panels To install a rear filler panel, follow these steps: Step Action Insert the filler panel into the empty slot. Use a 1/4-inch flat-tip screwdriver to tighten the screws to 5 in-lb by turning them clockwise.

  • Page 150: Removing A Front Filler Panel

    CVX 1800 Hardware Installation Guide Replacing Modules and Filler Panels Removing a Front Filler Panel To remove a front filler panel, follow these steps: Step Action Using a flat-tip screwdriver, turn the locking screw at the top of the filler panel 1/4 turn counterclockwise to unlock.
  • Page 151 Replacing CVX 1800 Components Replacing Modules and Filler Panels Step Action Grasp the top and bottom ejector levers and pull them outward to eject the panel. CV X 18 Jac k Power Failed Good Redun Pull ejectors outward to eject panel (continued) 296-1011-906 Rel.
  • Page 152 CVX 1800 Hardware Installation Guide Replacing Modules and Filler Panels Step Action Grasp the ejector levers and carefully slide the panel out of the chassis. CV X 18 Jac k Power Failed Good Redun 4-10 296-1011-906 Rel. 5.0, Doc. Rev. 08.01...

  • Page 153: Installing A Front Filler Panel

    Replacing CVX 1800 Components Replacing Modules and Filler Panels Installing a Front Filler Panel Note: Filler panels for slots 1 to 8 and 11 to 18 are marked, “Filler,” and filler panels for slots 9 and 10 are marked, “System Filler.”...
  • Page 154 CVX 1800 Hardware Installation Guide Replacing Modules and Filler Panels Step Action Ensure that the ejectors are extended at an angle, but not all of the way. Ejector Ejector at an straight angle Ejector at an Ejector angle straight CVX-0213B Caution: Extending the ejectors all of the way may result in ejector breakage when attempting to close them in step 4.
  • Page 155 Replacing CVX 1800 Components Replacing Modules and Filler Panels Step Action Ensure that the latch pawl is in the card guide channel and slide the panel into the chassis until its connector touches the chassis mid-plane. CV X 18 Jac k...
  • Page 156 CVX 1800 Hardware Installation Guide Replacing Modules and Filler Panels Step Action Gently push the ejector levers inward. The bottom lever will click when it is fully pushed in. CV X 18 Jac k Power Failed Good Redun Close ejectors Using a flat-tip screwdriver, turn the locking screw at the top of the filler panel 1/4 turn clockwise.

  • Page 157: Replacing The Scc-Sm

    Warning: You must use software Release 5.0 or later when using an Optical SCC-II-SM. Use of older versions will corrupt the SCC-SM, requiring the return of the module to Nortel for reprogramming. Do not copy earlier versions of software to a flash memory card used in an Optical SCC-II-SM.

  • Page 158: Removing The Scc-Sm

    CVX 1800 Hardware Installation Guide Replacing Modules and Filler Panels Removing the SCC-SM To remove the SCC-SM, follow these steps: Step Action Remove the flash memory card from the PCMCIA slot by pressing the eject button next to the slot.
  • Page 159 Replacing CVX 1800 Components Replacing Modules and Filler Panels Step Action Grasp the top and bottom ejector levers and push them outward to eject the SCC-SM. You will feel the SCC-SM disconnect from the chassis mid-plane and the SCC-RLTM. CV X 18...
  • Page 160 CVX 1800 Hardware Installation Guide Replacing Modules and Filler Panels Step Action Grasp the ejector levers and carefully slide the SCC-SM out of the chassis. CV X 18 ES D Jac k Power Failed Good Redun 4-18 296-1011-906 Rel. 5.0, Doc. Rev. 08.01...

  • Page 161: Installing An Scc-Sm

    Replacing CVX 1800 Components Replacing Modules and Filler Panels Installing an SCC-SM To install an SCC-SM, follow these steps: Step Action Make sure that the locking screw is in the unlocked position (slot is vertical) and the levers are out.
  • Page 162 CVX 1800 Hardware Installation Guide Replacing Modules and Filler Panels Step Action Ensure that the ejectors are extended at an angle, but not all of the way. Ejector Ejector at an straight angle Ejector at an Ejector angle straight CVX-0213B Caution: Extending the ejectors all of the way may result in ejector breakage when attempting to close them in step 4.
  • Page 163 Replacing CVX 1800 Components Replacing Modules and Filler Panels Step Action Ensure that the latch pawl is in the card guide channel and slide the module into the chassis until its connector touches the chassis mid-plane. CV X 18 ES D...

  • Page 164: Reference

    CVX 1800 Hardware Installation Guide Replacing Modules and Filler Panels Step Action Gently push the levers inward to fully engage the locking mechanism. The bottom lever will click when it is fully pushed in. CV X 18 ES D Jac k...

  • Page 165: Replacing The Scc-Ltm/Rltm

    Replacing CVX 1800 Components Replacing Modules and Filler Panels Replacing the SCC-LTM/RLTM If you need to replace the SCC-LTM or SCC-RLTM, note the configuration of the installed network cabling before you disconnect any cables. This includes cabling to the following ports: •...
  • Page 166 CVX 1800 Hardware Installation Guide Replacing Modules and Filler Panels Step Action Using a 1/4-inch flat-tip screwdriver, loosen the locking screws. Turn counterclockwise to loosen screws. CVX-0129C 4-24 296-1011-906 Rel. 5.0, Doc. Rev. 08.01...
  • Page 167 Replacing CVX 1800 Components Replacing Modules and Filler Panels Step Action Grasp the top and bottom ejector levers and pull them outward to eject the SCC-RLTM. You will feel the SCC-LTM/RLTM disconnect from the SCC-SM. Ejector levers CVX-0236B Place the SCC-LTM/RLTM in an antistatic bag or on an antistatic work surface.

  • Page 168: Installing An Scc-Ltm/-Rltm

    CVX 1800 Hardware Installation Guide Replacing Modules and Filler Panels Installing an SCC-LTM/-RLTM To install an SCC-LTM or SCC-RLTM, follow these steps: Step Action Holding the SCC-LTM/RLTM, use the guides to align the sides of the module with either slot 9 or slot 10.
  • Page 169 Replacing CVX 1800 Components Replacing Modules and Filler Panels Step Action Use a 1/16-inch flat-tip screwdriver to tighten the four locking screws on the SCC-LTM/RLTM to 5 in-lb. Turn clockwise to tighten screws. LI S T E CVX-0235A Reattach any network cabling and alarm wiring from the SCC-LTM/RLTM you just removed.

  • Page 170: Reference

    Replacing Other Service Modules The MACs and DAC-SMs provide the processing capabilities for the rear-installed LTMs. When you remove an online service module, the CVX 1800 redirects processing to an adjacent secondary module that uses the same LTM. These service modules can physically occupy chassis slots 1 to 8 and 11 to 18.

  • Page 171: Removing A Mac Or Dac-Sm

    Replacing CVX 1800 Components Replacing Modules and Filler Panels Removing a MAC or DAC-SM To replace a MAC or DAC-SM, follow these steps: Step Action Using a 1/4-inch flat-tip screwdriver, turn the locking screw at the top of the module 1/4 turn counterclockwise to the unlocked position.
  • Page 172 CVX 1800 Hardware Installation Guide Replacing Modules and Filler Panels Step Action Grasp the top and bottom ejector levers and pull them outward to eject the module. You will feel the module disconnect from the chassis mid-plane. CV X 18...
  • Page 173 Replacing CVX 1800 Components Replacing Modules and Filler Panels Step Action Grasp the ejector levers and carefully slide the module out of the chassis. CV X 18 Jac k Power Failed Good Redun 296-1011-906 Rel. 5.0, Doc. Rev. 08.01 4-31...

  • Page 174: Installing A Mac Or Dac-Sm

    CVX 1800 Hardware Installation Guide Replacing Modules and Filler Panels Installing a MAC or DAC-SM To install a MAC or DAC-SM, follow these steps: Step Action Make sure that the locking screw is in the unlocked position (slot is vertical) and that the levers are out.
  • Page 175 Replacing CVX 1800 Components Replacing Modules and Filler Panels Step Action Ensure that the ejectors are extended at an angle, but not all of the way. Ejector Ejector at an straight angle Ejector at an Ejector angle straight CVX-0213B Caution: Extending the ejectors all of the way may result in ejector breakage when attempting to close them in step 4.
  • Page 176 CVX 1800 Hardware Installation Guide Replacing Modules and Filler Panels Step Action Ensure that the latch pawl is in the card guide channel and slide the module into the chassis until its connector touches the chassis mid-plane. CV X 18...

  • Page 177: Reference

    Replacing CVX 1800 Components Replacing Modules and Filler Panels Step Action Gently push the ejectors inward. The bottom ejector will click when it is fully pushed in. CV X 18 Jac k Power Failed Good Redun Close ejectors Using a 1/4-inch flat-tip screwdriver, turn the locking screw 1/4 turn clockwise.

  • Page 178: Replacing The Dac-Ltm Or Dac-Rltm

    CVX 1800 Hardware Installation Guide Replacing Modules and Filler Panels Replacing the DAC-LTM or DAC-RLTM If you need to replace an LTM or RLTM, note the configuration of the installed network cabling before you disconnect any cables. You will need to reinstall this cabling on the replacement LTM or RLTM.
  • Page 179 Replacing CVX 1800 Components Replacing Modules and Filler Panels Step Action Use a 1/4-inch flat-tip screwdriver to loosen the locking screws. CVX-0256A (continued) 296-1011-906 Rel. 5.0, Doc. Rev. 08.01 4-37...
  • Page 180 CVX 1800 Hardware Installation Guide Replacing Modules and Filler Panels Step Action Grasp the top and bottom ejector levers and pull them outward to eject the LTM or RLTM. CVX-0257A Grasp the ejector levers and carefully slide the LTM or RLTM out of the chassis.

  • Page 181: Installing An Dac-Ltm Or Dac-Rltm

    Replacing CVX 1800 Components Replacing Modules and Filler Panels Installing an DAC-LTM or DAC-RLTM To install a DAC-TLM or DAC-RLTM, follow these steps: Step Action Holding the LTM or RLTM, use the guides to align the sides of the module with the appropriate slot.

  • Page 182: Reference

    CVX 1800 Hardware Installation Guide Replacing Modules and Filler Panels Step Action Use a flat-tip screwdriver to tighten the two (LTM) or four (RLTM) locking screws on the LTM or RLTM. CVX-0259A Reattach any network cabling and alarm wiring on the LTM or RLTM you just removed.

  • Page 183: Replacing The External Ac Power Supply

    Removing the External AC Power Supply from a Standard Rack Follow these steps: Step Action Turn off the CVX 1800 and disconnect it from the external AC power supply. Remove the plug ends of the power cable from the external AC power supply cable receptacles.
  • Page 184 CVX 1800 Hardware Installation Guide Replacing the External AC Power Supply Step Action Remove the first power module from the AC power supply by turning the thumbscrew counterclockwise, grasping the handle, and sliding it out. Use the same technique to remove all other power modules.

  • Page 185: Reference

    Replacing CVX 1800 Components Replacing the External AC Power Supply Step Action Use a flat-tip screwdriver to loosen the screws that secure the power supply mounting flanges to the rack. Turn the screws counter- clockwise to release the AC power supply from the rack.

  • Page 186: Replacing The Fan Module

    Replacing the Fan Module Replacing the Fan Module Description The CVX 1800 fan module contains nine fans and is located in the front of the chassis. Caution: A malfunctioning fan module can cause the CVX 1800 chassis to overheat. This condition can lead to system and network failures. If you detect overheating in the chassis, have a qualified service technician inspect the fan module as soon as possible.

  • Page 187: Removing The Fan Module

    Replacing CVX 1800 Components Replacing the Fan Module Removing the Fan Module To remove the fan module, follow these steps: Step Action Using a 1/4-inch flat-tip screwdriver, turn the four locking screws 1/4 turn counterclockwise to unlock. Locked Unlocked CV X 18...
  • Page 188 CVX 1800 Hardware Installation Guide Replacing the Fan Module Step Action Grasp the fan module by the handles and pull firmly until you feel the fan module disconnect from the chassis. Warning: The fans will spin for a short time as you slide the fan module out of the chassis.

  • Page 189: Installing A Fan Module

    Replacing CVX 1800 Components Replacing the Fan Module Installing a Fan Module To install a fan module, follow these steps: Step Action Make sure that the four locking screws are in the unlocked position (slots are vertical). Slide the fan module into the chassis until you feel the module touch the fan...
  • Page 190 CVX 1800 Hardware Installation Guide Replacing the Fan Module Step Action Use a flat-tip screwdriver to turn the four locking screws 1/4 turn clockwise. Locked Unlocked CV X 18 ES D Jac k Verify that the fan module is operating properly. The green LED should be on, and air should be exiting the chassis side and rear vents.

  • Page 191: Ordering Replacement Components

    Replacing CVX 1800 Components Ordering Replacement Components Ordering Replacement Components How to Order If necessary, you can order CVX 1800 replacement components from Nortel Networks. See “Customer Services” page xxiv for information about contacting Nortel Networks. 296-1011-906 Rel. 5.0, Doc. Rev. 08.01...

  • Page 193: About This Appendix

    Appendix A Plastic Fascia Chassis Technical Specifications About This Appendix Introduction This appendix provides the technical specifications for the plastic fascia CVX 1800 chassis (carrying number NTDY18BA). For technical specifications on the metal fascia chassis, see Appendix B, “Metal Fascia Chassis Technical Specifications and Procedures.”...
  • Page 194 CVX 1800 Hardware Installation Guide About This Appendix Topic (continued) Page Power Specifications A-19 SCC-LTM/-RLTM Interfaces A-22 DAC-LTM/-RLTM External Clock Interface A-23 296-1011-200 Rel. 5.0, Doc. Rev. 08.01...

  • Page 195: Dimensions, Weight, Slot Capacity

    Plastic Fascia Chassis Technical Specifications Chassis Specifications and Clearances Chassis Specifications and Clearances Dimensions, Weight, Slot Capacity The following table lists the dimensions, weight, and slot capacity of the CVX 1800 chassis: Attribute Measurement Height 17.5 in. (44.45 cm) Width 17.3 in.

  • Page 196: Environmental Specifications

    CVX 1800 Hardware Installation Guide Environmental Specifications Environmental Specifications Specifications The following table lists the environmental specifications for the CVX 1800: Attribute Measurement Operating temperature 23° to 104°F (-5° to 40°C) stable Operating altitude 0 to 8000 ft (0 to 2438.4 m)

  • Page 197: Cooling Requirements

    All cabinet doors should be closed, and all cabinet panels in place. Airflow Regardless of the method of cooling used, make sure that minium clearance requirements are met and that airflow at the CVX 1800 is at least 200 CFM. 296-1011-200 Rel. 5.0, Doc. Rev. 08.01...

  • Page 198: Electromagnetic Emissions And Radio Frequency

    CVX 1800 Hardware Installation Guide Electromagnetic Emissions and Radio Frequency Electromagnetic Emissions and Radio Frequency CVX 1800 Requirements The CVX 1800 meets the following requirements for electromagnetic emissions and radio frequency: • FCC Part 15, Subpart B • EN 55022: 1994/A1:1995/A2:1997 Class A ITE emissions requirements •...

  • Page 199: Cable Specifications

    10 ft DB-9 to DB-25 straight-through modem cable to connect the CVX 1800 DB-9 RS-232 console port to an external modem • 10 ft RJ-45 to RJ-45 cable to connect a CVX 1800 Ethernet port to a PC Ethernet adapter •...

  • Page 200: Management Console Cable Specifications

    CVX 1800 Hardware Installation Guide Cable Specifications Management Console Cable Specifications The SCC-LTM and SCC-RLTM have a single console interface. The interface uses a DB-9 plug connector that provides an RS-232 serial connection. The CVX 1800 console port allows you to connect to any VT100-compatible console device for direct console access, or to any modem (AT or Hayes compatible) for remote dial-up access.

  • Page 201: Db-9 Pin And Signal Assignments

    Plastic Fascia Chassis Technical Specifications Cable Specifications DB-9 Pin and Signal Assignments The following table lists the pin and signal assignments for the DB-9 console interface connector:. Signal To Signal DCD (data carrier detect) TXD (transmit data) RXD (receive data) DSR (data set ready) GND (signal ground) DTR (data terminal ready)

  • Page 202: Hssi Interface

    CVX 1800 Hardware Installation Guide Cable Specifications HSSI Interface The following figure shows the HSSI interface connector: Cable length: 50 ft maximum Pin 25 Pin 1 Pin 26 Pin 50 50-pin high-density cable connector CVX-0105B HSSI DTE to DCE Pin and Signal Assignments...
  • Page 203 Plastic Fascia Chassis Technical Specifications Cable Specifications Nortel Networks Termination Remote Termination Signal Ground Signal Ground DTE Available+ DTE Available+ DTE Available- DTE Available- Terminal Timing+ Terminal Timing+ Terminal Timing- Terminal Timing- Loopback CKT A+ Loopback CKT A+ Loopback CKT A-...

  • Page 204: Ethernet 10/100Base-Tx Interface Cable Specifications

    CVX 1800 Hardware Installation Guide Cable Specifications Ethernet 10/100BASE-TX Interface Cable Specifications The Ethernet 10/100BASE-TX interfaces provide unshielded twisted pair (UTP) support. The folllowing figure shows the Ethernet 10/100 Base-TX interface connector: CVX-0103A Ethernet 10/100 Base-TX Pin and Signal Assignments...

  • Page 205: E1 And T1 Interface Line Specifications

    Plastic Fascia Chassis Technical Specifications Cable Specifications E1 and T1 Interface Line Specifications The DS1-DAC-LTM, E1-DAC-LTM, and SCC-T1-RLTM interfaces provide UTP support. The following figure shows the RJ-45 interface on these modules: DS1-DAC-LTM SCC-T1-RLTM E1-DAC-LTM CVX-0104B RJ-45 Pin and Signal Assignments The following table lists the pin and signal assignments for the E1 and T1 interfaces: Standard Interface Signal...

  • Page 206: E1 And T1 Shielded Cable Specifications

    CVX 1800 Hardware Installation Guide Cable Specifications E1 and T1 Shielded Cable Specifications Shielded cabling is an EMI requirement for CVX 1800 E1 network configurations. Shielded cabling is optional for T1 network configurations. DS3 Coaxial Cable Specifications The DS3 coaxial cable must meet the requirements of ANSI Standard T1.102-1993 and the Telcordia Technical Reference GR-1402.

  • Page 207: Tandem Cvx To Ras Cvx Crossover Cable

    Tandem CVX to RAS CVX Crossover Cable Introduction If you need a crossover cable to send data from a tandem CVX 1800 to a RAS CVX 1800, you must build the cable using the information in this section. Nortel Networks does not supply this cable.

  • Page 208: Rj-45 Pin Numbering

    CVX 1800 Hardware Installation Guide Tandem CVX to RAS CVX Crossover Cable RJ-45 Pin Numbering The following figure shows the numbering of the RJ-45 connector: CVX-0083A Note: Pins 3, 6, 7, and 8 are not used. A-16 296-1011-200 Rel. 5.0, Doc. Rev. 08.01...

  • Page 209: Audible And Visible Alarm Interface Specifications

    Plastic Fascia Chassis Technical Specifications Audible and Visible Alarm Interface Specifications Audible and Visible Alarm Interface Specifications The following figure shows the alarm interface connector with both styles of labeling. Alarm Interface Connector New Labeling Style Older Labeling Style CVX-0072D Signals The following table lists the positions and signal names on the alarm interface connector:...

  • Page 210: Reference

    CVX 1800 Hardware Installation Guide Audible and Visible Alarm Interface Specifications Reference “Connecting Alarms” page 3-3 for more information. A-18 296-1011-200 Rel. 5.0, Doc. Rev. 08.01...

  • Page 211: Power Specifications

    Power Specifications Power Specifications Power Options The CVX 1800 is powered by an AC or DC power source. Use the information in this section to plan for AC or DC power. AC Power Requirements Use the following specifications to plan for AC power.

  • Page 212: Power Cords

    CVX 1800 Hardware Installation Guide Power Specifications • Telco or EIA racks (19 in. or 23 in.) with EIA standard hole spacing on the mounting flanges • Three AC inputs; two DC outputs (A and B) for two CVX 1800s •...

  • Page 213: Dc Power Requirements

    Plastic Fascia Chassis Technical Specifications Power Specifications DC Power Requirements The installation site must meet the following DC power requirements: • Nominal -48 VDC; range: -37 VDC to -56 VDC; 1.5 kW maximum • DC current: 31 A at -48 VDC Caution: Input DC voltage must not exceed -72 VDC.

  • Page 214: Scc-Ltm/-Rltm Interfaces

    CVX 1800 Hardware Installation Guide SCC-LTM/-RLTM Interfaces SCC-LTM/-RLTM Interfaces The following table lists the interfaces on the SCC-LTM and SCC-RLTMs: Interface Description Console • One DB-9 RS-232 serial port HSSI • One port (SCC-HSSI-RLTM) • 50-pin connector • Status LED on the SCC-SM for the SCC-HSSI-RLTM 10/100BASE-TX •...

  • Page 215: Dac-Ltm/-Rltm External Clock Interface

    Plastic Fascia Chassis Technical Specifications DAC-LTM/-RLTM External Clock Interface DAC-LTM/-RLTM External Clock Interface The following applies to all DAC LTMs and RLTMs with an external clock port: • The external clock cicuitry contains a standard T1/E1 LIU device with receive TIP/RING terminated at 120 ohms (incoming twisted pair).

  • Page 217: Metal Fascia Chassis Technical Specifications And Procedures

    Specifications and Procedures About This Appendix Introduction This appendix provides the technical specifications and procedures for the metal fascia CVX 1800 chassis (carrying number NTDY18AA). For technical specifications on the plastic fascia chassis, see Appendix A, “Plastic Fascia Chassis Technical Specifications.”...
  • Page 218 CVX 1800 Hardware Installation Guide About This Appendix Topic (continued) Page SCC-LTM/-RLTM Interfaces B-19 DAC-LTM/-RLTM External Clock Interface B-20 Opening and Closing the Chassis Door B-21 Removing the Chassis Door B-23 Replacing the Chassis Air Filter B-24 296-1011-200 Rel. 5.0, Doc. Rev. 08.01...

  • Page 219: Chassis Specifications And Clearances

    MACs Clearance The chassis must have enough clearance around it to ensure the proper airflow for cooling. The following table lists the minimum clearance requirements for the metal fascia CVX 1800 chassis. Area Minimum Clearance Left side 2.0 in. (5.08 cm) Right side 2.0 in.

  • Page 220: Environmental Specifications

    CVX 1800 Hardware Installation Guide Environmental Specifications Environmental Specifications Specifications The following table lists the environmental specifications for the metal fascia CVX 1800: Attribute Measurement Operating temperature 23° to 104°F (-5° to 40°C) stable Operating altitude 0 to 8000 ft (0 to 2438.4 m)

  • Page 221: Cooling Requirements

    All cabinet doors should be closed, and all cabinet panels in place. Airflow Regardless of the method of cooling used, make sure that minium clearance requirements are met and that airflow at the CVX 1800 is at least 200 CFM. 296-1011-200 Rel. 5.0, Doc. Rev. 08.01...

  • Page 222: Electromagnetic Emissions And Radio Frequency

    CVX 1800 Hardware Installation Guide Electromagnetic Emissions and Radio Frequency Electromagnetic Emissions and Radio Frequency CVX 1800 Requirements The metal fascia CVX 1800 meets the following requirements for electromagnetic emissions and radio frequency: • FCC Part 15, Subpart B •...

  • Page 223: Cable Specifications

    10 ft DB-9 to DB-25 straight-through modem cable to connect the CVX 1800 DB-9 RS-232 console port to an external modem • 10 ft RJ-45 to RJ-45 cable to connect a CVX 1800 Ethernet port to a PC Ethernet adapter •...

  • Page 224: Management Console Cable Specifications

    CVX 1800 Hardware Installation Guide Cable Specifications Management Console Cable Specifications The SCC-LTM and SCC-RLTM have a single console interface. The interface uses a DB-9 plug connector that provides an RS-232 serial connection. The CVX 1800 Console port allows you to connect to any VT100-compatible console device for direct console access, or to any modem (AT or Hayes compatible) for remote dial-up access.
  • Page 225 Metal Fascia Chassis Technical Specifications and Procedures Cable Specifications DB-9 Pin and Signal Assignments The following table lists the pin and signal assignments for the DB-9 console interface connector: Signal Name To Signal DCD (data carrier detect) TXD (transmit data) RXD (receive data) DSR (data set ready) GND (signal ground)

  • Page 226: Hssi Interface

    CVX 1800 Hardware Installation Guide Cable Specifications HSSI Interface The following figure shows the HSSI interface connector. Cable length: 50 ft maximum Pin 25 Pin 1 Pin 26 Pin 50 50-pin high-density cable connector CVX-0105B HSSI DTE to DCE Interface Cable Pin and Signal Assignments...
  • Page 227 Metal Fascia Chassis Technical Specifications and Procedures Cable Specifications Nortel Networks Termination Remote Termination Signal Ground Signal Ground DTE Available+ DTE Available+ DTE Available- DTE Available- Terminal Timing+ Terminal Timing+ Terminal Timing- Terminal Timing- Loopback CKT A+ Loopback CKT A+...

  • Page 228: Ethernet 10/100Base-Tx Interface Cable Specifications

    CVX 1800 Hardware Installation Guide Cable Specifications Ethernet 10/100BASE-TX Interface Cable Specifications The Ethernet 10/100BASE-TX interfaces provide unshielded twisted pair (UTP) support. The following figure shows the Ethernet 10/100BASE-TX interface connector: CVX-0103A Ethernet 10/100BASE-TX Pin and Signal Assignments The following table lists the pin and signal assignments for these interfaces:...

  • Page 229: Rj-45 Pin And Signal Assignments

    Metal Fascia Chassis Technical Specifications and Procedures Cable Specifications E1 and T1 Interface Line Specifications The DS1-DAC-LTM, E1-DAC-LTM, and SCC-T1-RLTM interfaces provide UTP support. The following figure shows the RJ-45 interface on these modules: DS1-DAC-LTM SCC-T1-RLTM E1-DAC-LTM CVX-0104B RJ-45 Pin and Signal Assignments The following table lists the pin and signal assignments for the E1 and T1 interfaces: Standard Interface Signal...

  • Page 230: E1 And T1 Shielded Cable Specifications

    CVX 1800 Hardware Installation Guide Cable Specifications E1 and T1 Shielded Cable Specifications Shielded cabling is an EMI requirement for CVX 1800 E1 network configurations. Shielded cabling is optional for T1 network configurations. DS3 Coaxial Cable Specifications The DS3 coaxial cable must meet the requirements of ANSI Standard T1.102-1993 and the Telcordia Technical Reference GR-1402.

  • Page 231: Audible And Visible Alarm Interface Specifications

    Metal Fascia Chassis Technical Specifications and Procedures Audible and Visible Alarm Interface Specifications Audible and Visible Alarm Interface Specifications The following figure shows the alarm interface connector with both styles of labeling. Alarm Interface Connector New Labeling Style Older Labeling Style CVX-0072D Signals The following table lists the positions and signal names on the alarm interface...

  • Page 232: Reference

    CVX 1800 Hardware Installation Guide Audible and Visible Alarm Interface Specifications Reference “Connecting Alarms” page 3-3 for more information. B-16 296-1011-200 Rel. 5.0, Doc. Rev. 08.01...

  • Page 233: Power Specifications

    Power Specifications Power Specifications Power Options The CVX 1800 is powered by an AC or DC power source. Use the information in this section to plan for AC or DC power. AC Power Requirements Use the following specifications to plan for AC power.

  • Page 234: Dc Power Requirements

    CVX 1800 Hardware Installation Guide Power Specifications • Telco or EIA racks (19 in. or 23 in.) with EIA standard hole spacing on the mounting flanges • Three AC inputs; two DC outputs (A and B) for two CVX 1800s •...

  • Page 235: Scc-Ltm/-Rltm Interfaces

    Metal Fascia Chassis Technical Specifications and Procedures SCC-LTM/-RLTM Interfaces SCC-LTM/-RLTM Interfaces The following table lists the interfaces on the SCC-LTM and SCC-RLTMs: Interface Description Console • One DB-9 RS-232 serial port HSSI • One port (SCC-HSSI-RLTM) • 50-pin connector • Status LED on the SCC-SM for the SCC-HSSI-RLTM 10/100BASE-TX •...

  • Page 236: Dac-Ltm/-Rltm External Clock Interface

    CVX 1800 Hardware Installation Guide DAC-LTM/-RLTM External Clock Interface DAC-LTM/-RLTM External Clock Interface The following applies to all DAC LTMs and RLTMs with an external clock port: • The external clock cicuitry contains a standard T1/E1 LIU device with receive TIP/RING terminated at 120 ohms (incoming twisted pair).

  • Page 237: Opening And Closing The Chassis Door

    Opening and Closing the Chassis Door Description The metal fascia CVX 1800 has a hinged door to ensure proper airflow and cooling within the chassis. A closed door provides protection from electromagnetic interference (EMI) and radio frequency interference (RFI), and keeps the service modules securely in position.

  • Page 238: Opening The Door

    CVX 1800 Hardware Installation Guide Opening and Closing the Chassis Door Opening the Door To open the chassis door, follow these steps: Step Action Using a flat-tip screwdriver, loosen the top and bottom screws on the door by turning them counterclockwise.

  • Page 239: Removing The Chassis Door

    Removing the Chassis Door Description The chassis door protects the CVX 1800 and keeps it cool, so it is important that the door remain closed. However, when you need to perform maintenance on the CVX 1800, the door must be removed.

  • Page 240: Replacing The Chassis Air Filter

    CVX 1800 Hardware Installation Guide Replacing the Chassis Air Filter Replacing the Chassis Air Filter Description The air filter provides dust-free air circulation throughout the chassis. A qualified service technician should inspect the air filter regularly to ensure that it is clean. A dirty filter causes inadequate air circulation and causes the chassis to overheat.

  • Page 241: Reinstalling The Air Filter

    Metal Fascia Chassis Technical Specifications and Procedures Replacing the Chassis Air Filter Reinstalling the Air Filter To reinstall the chassis air filter, follow these steps: Step Action Insert the clean filter in the filter panel. Reinstall the filter panel by popping it over the studs in the chassis door. Close the chassis door.
  • Page 243 B-24 rack mounting 1-16 2-16 airflow requirements specifications alarm interface computer rack connecting mounting the CVX 1800 in 1-21 2-21 specifications A-17 B-15 crossover cable A-15 alarm types and causes CVX 1800 anchor kits, for PTE 2000 rack...
  • Page 244 3-60 hardware components, replacement optical interface, connecting to 3-14 HSSI interface specifications A-10 B-10 Optical SCC-II 3-57 installation PC, connecting to the CVX 1800 3-44 chassis 1-22 2-22 pin assignments external AC power supply 1-24 2-24 alarm interface connector A-17...
  • Page 245 T1 shielded cable specifications A-14 B-14 tandem CVX to RAS CVX crossover cable A-15 Telco rack hole spacing 1-20 2-20 terminal server 3-48 terminal, connecting to the CVX 1800 3-41 wrist strap, antistatic 296-1011-200 Rel. 5.0, Doc. Rev. 08.01 Index-3...
  • Page 248 Nortel Networks. All other trademarks are the property of their owners. © 2001 Nortel Networks. All rights reserved. Information in this document is subject to change without notice. Nortel Networks assumes no responsibility for any errors that may appear in this document.

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