Nortel Passport 15000 Preparation Manual
  1. Manuals
  2. Brands
  3. Nortel Manuals
  4. Switch
  5. Passport 15000
  6. Preparation manual

Nortel Passport 15000 Preparation Manual

Hide thumbs Also See for Passport 15000:
Table of Contents

Advertisement

Quick Links

Download this manual
Passport 15000, 20000
Site Requirements and
Preparation Guide
241-1501-205

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the Passport 15000 and is the answer not in the manual?

Questions and answers

Related Manuals for Nortel Passport 15000

Summary of Contents for Nortel Passport 15000

  • Page 1 Passport 15000, 20000 Site Requirements and Preparation Guide 241-1501-205...
  • Page 3 Copyright © 2004 Nortel Networks. All Rights Reserved. Printed in Canada NORTEL NETWORKS, the globemark design, the NORTEL NETWORKS corporate logo, and Passport are trademarks of Nortel Networks. ADC is a registered trademark of ADC Telecommunications, Inc. AMP, MATE-N-LOK, and Z-PACK are trademarks of AMP of Canada, Ltd.
  • Page 5 Publication history March 2004 5.2S2 Standard General availability. Contains information on Passport 15000 and Passport 20000 for the PCR5.2 release. Passport 15000, 20000 Site Requirements and Preparation Guide 5.2S2...
  • Page 6 Publication history 241-1501-205 5.2S2...

  • Page 7: Table Of Contents

    Installing the switch safely 26 Storing and transporting circuit cards 28 Compliance with electrical and safety standards 28 Chapter 2 Planning considerations Task flow of planning considerations 29 Task flow navigation 31 Passport 15000, 20000 Site Requirements and Preparation Guide 5.2S2...
  • Page 8 Assess power cable location 54 Ceiling requirements 54 Flooring requirements 54 Assess the location of a Passport 15000 or 20000 55 General guidelines for placing the equipment 55 Equipment size and weight 58 Front and rear access to switch hardware 72 Assess the location of a system of ac rectifiers 74...

  • Page 9: Contents

    Contents 9 Spare processor cards 84 Spare cooling units or cooling unit parts 84 Kits of spare parts for a Passport 15000 or 20000 85 Assess timing requirements 85 Plan for the use of an equivalent mounting apparatus 87 Dimensions and weight rating for the alternate rack 88 Rack and cabinet specifications 88...
  • Page 10 10 Contents Passport 15000-VSS power architecture 121 Power requirements 121 Redundant power feeds 122 Power input through tapping a main 122 Power input from a system of ac rectifiers 123 Passport 15000-VSS power requirements 125 Power distribution and consumption 125...

  • Page 11: Contents

    Electromagnetic emissions 162 Electromagnetic immunity (EMI) 163 Acoustic noise compliance 163 Interconnect compliance 163 Quality compliance 163 Material and manufacturing 163 Other standards 163 Astec MFA150 standards and compliances 164 Appendix Grounding topologies Passport 15000, 20000 Site Requirements and Preparation Guide 5.2S2...
  • Page 12 Figure 12 Anchor in a concrete floor 110 Figure 13 MFA150 power system of five rectifiers for two Passport 15000 or 20000 shelves 124 Figure 14 Grounding an NTRU04 frame to a ground window 140 Figure 15 Polyvalent power-and-ground assembly...
  • Page 13 20000 parts 65 Table 13 Weights of a frame with a Passport 15000-VSS 68 Table 14 Weights of a frame with a Passport 15000 and a Shasta 5000 68 Table 15 Weight of Passport 15000 shelf-based parts that are installed in a 23-inch EIA rack 69...
  • Page 14 14 Contents Table 23 Cable identification, North America 137 Table 24 Cable identification, Germany 137 Table 25 Cable identification, United Kingdom 138 Table 26 Cable identification, Japan 138 Table 27 Feed codes of the BIP BIMs, rear view 142 Table 28 North American ratings for cable 145 241-1501-205 5.2S2...

  • Page 15: About This Document

    Passport 15000 or 20000. What you need to know Installation and planning personnel should be familiar with Passport 15000 or 20000 hardware and general enterprise or central office procedures and equipment.

  • Page 16: What's New In This Document

    NEBS 2000 frame NTRU04 to the these tables and updated the total weight tallies: — “Base weight of a frame shipped with one Passport 15000 switch (shelf)” (page 60) — “Base weight of a frame shipped with two Passport 15000 switches (shelves)”...

  • Page 17: 16-Port Oc-3/Stm-1 Pos And Atm Fp With Pec Nthw44

    “Front and rear access” to “Front and rear access to switch hardware” (page 72) • added the section “Kits of spare parts for a Passport 15000 or 20000” (page 85) • corrected the calculation of the area of the maintenance aisle space in “Checking the floor”...

  • Page 18: Enclosing A Nebs 2000 Frame With Doors And Side Panels

    “Weight of optional or additional Passport 15000 or 20000 parts” (page 65) • “Power consumption for hardware parts for a Passport 15000 or 20000” (page 127) Y-protection for dual 16-port OC-3/STM-1 POS and ATM FPs The following sections were added or updated this feature.

  • Page 19: Related Documents

    Power System Detailed Installation Guidelines and Procedures Manual How to get more help For information on training, problem reporting, and technical support, see the “Nortel Networks support services” section in the product overview document. Passport 15000, 20000 Site Requirements and Preparation Guide...
  • Page 20 About this document 241-1501-205 5.2S2...

  • Page 21: Safety Information

    Safety information The safety information in this section applies to all activities of site planning and preparation and to the installation and maintenance of a Passport 15000 or 20000. Where procedures occur throughout the suite of Passport NTPs, the appropriate safety information is repeated.

  • Page 22: Personal Safety

    Gestell. Die Einheit muß mit vier Personen von der Transportpalette genommen werden. Ein Gestell wiegt mit einem Passport 15000 oder 20000 ca. 420 kg, mit zwei Passport 15000-Einheiten ca. 610 kg. Tragen Sie zu Ihrem zusätzlichen Schutz Sicherheitsschuhe mit Stahlkappen.

  • Page 23: Safe Equipment Handling

    Safe equipment handling Safe equipment handling includes “Personal safety” (page 22), safely moving the NEBS 2000 frame that houses one or two Passport 15000 or 20000 switches, preventing damage by electrostatic discharge (ESD), and following regulatory safety activities for the installation and maintenance of a switch.

  • Page 24: Moving The Frame Safely

    Informationen gegeben. Moving the frame safely The size and weight of a partially or fully provisioned Passport 15000 or 20000 requires equipment that is needed to move it from the receiving area to the place where it is to be anchored to the floor. For the safe handling of a frame, see 241-1501-240 Passport 15000, 20000 Hardware Installation, Maintenance and Upgrade.
  • Page 25 Chapter 1 Safety information 25 ACHTUNG Geräteschäden durch elektrostatische Entladung Nehmen Sie Schaltkarten oder Module erst unmittelbar vor dem Einsetzen in den Steckplatz im Passport 15000 oder 20000 aus der Verpackung. Die Verpackung schützt die Schaltungen vor elektrostatischer Entladung. CAUTION...

  • Page 26: Installing The Switch Safely

    26 Chapter 1 Safety information Installing the switch safely Installing the switch safely applies mostly to anchoring the frame securely to the floor and connecting the appropriate power and grounding cables. Before anchoring the frame to the floor, ensure that there is a minimum of 76.2 cm (30 inches) in the front and 61 cm (24 inches) in the rear of the bay.
  • Page 27 Platte auf einen geeigneten Werktisch. Achten Sie darauf, daß die Platte beim Ausbrechen der Scheibe nicht verbogen wird. Eine verbogene Platte läßt im montierten Zustand eine Spaltöffnung an den Kanten frei. Dadurch verschlechtert sich die Feuersicherheit der Schalteinheit. Passport 15000, 20000 Site Requirements and Preparation Guide 5.2S2...

  • Page 28: Storing And Transporting Circuit Cards

    55% and the nominal storage temperature is 20 degrees Celsius (68 Fahrenheit). Compliance with electrical and safety standards Passport 15000 or 20000 switches comply with North American and international regulatory safety requirements for the handling and the installation of equipment. For a complete list of standards, see “Standards and compliance considerations”...

  • Page 29: Planning Considerations

    Chapter 2 Planning considerations Plan the location and installation of a Passport 15000 or 20000 switch using all the information in this section. It is important that you review all considerations because site requirements vary depending on specific installation options.
  • Page 30 For procedure page Assess the location for a numbers, see Passport 15000 or 20000 Task flow navigation below Adding a switch to Adding a switch to an anchored NEBS an anchored 2000 frame? NEBS 2000 frame...

  • Page 31: Task Flow Navigation

    “Assess environmental requirements” (page 49) • “Assess power cable location” (page 54) • “Assess the location of a Passport 15000 or 20000” (page 55) • “Assess the location of a system of ac rectifiers” (page 74) • “Assess the locations of peripheral equipment” (page 76) •...

  • Page 32: Adding A Switch To An Anchored Nebs 2000 Frame

    Passport 20000 to a frame that already has a Passport 15000 mounted in it, or wish to add a Passport 15000 to a frame that already has a Passport 20000 mounted in it, use the table “Combinations of BIMs in a BIP”...

  • Page 33: Assess Air Filter Maintenance

    NEBS 2000 frame Assess air filter maintenance The air filter for each Passport 15000 or 20000 must be replaced at three- month intervals or more often to ensure that the plug-in processor cards, fabric cards, and modules do not fail or degrade their performance due to the accumulation of dust.
  • Page 34 Equipment that failed due to accumulated particulates will void that equipment’s warranty. Order a supply of replacement filters for each Passport 15000 or 20000 to prepare for the frequency of replacement. The part numbers for the available packages are listed in 241-1501-200 Passport 15000, 20000 Hardware Description, the chapter of field replaceable units (FRUs).

  • Page 35: Assess Cable Management

    Chapter 2 Planning considerations 35 Assess cable management Assess cable management to determine how your site will support the cabling required for a Passport 15000 or Passport 20000 switch. • “Task flow of cable management assessment” (page 35) Task flow of cable management assessment This task flow shows you the sequence of criteria needed for you to...
  • Page 36 36 Chapter 2 Planning considerations Figure 2 Task flow of cable management assessment For procedure page Cable numbers, see management Task flow navigation assessment below Determining your cable density Low density Very high density coax High density Managing Managing Managing low-density high-density very high-density...

  • Page 37: Determining Your Cable Density

    Chapter 2 Planning considerations 37 Determining your cable density Passport 15000 and Passport 20000 switches support low-density cable management and, through the use of additional cable management brackets, high-density, and very high-density cable management. You must determine current and future cabling requirements. By calculating the immediate and...

  • Page 38: Table 3 Diameters Of Processor Card Cables

    • less than five 12-port DS3s or E3s are in one cage (one row of a shelf) • less than nine 12-port DS3s or E3s are in one NEBS 2000 frame • fewer than 15 to 28 FPs of any type occupy one or two Passport 15000 or 20000 switches in one NEBS 2000 frame •...
  • Page 39 Depending on the number and type of processor cards (CPs and FPs) that are provided with a Passport 15000 or 20000 or to be added later, the basic cable management brackets may need to be doubled or replaced to accommodate a Passport 15000, 20000 Site Requirements and Preparation Guide 5.2S2...

  • Page 40: Managing High-Density Cabling

    FPs such as the 16-port OC-3/STM-1 FPs. Managing high-density cabling To plan cable management for Passport 15000 and Passport 20000 switches with high-density cabling, do the following: • review background information on managing telecom cables in 241-1501-200 Passport 15000, 20000 Hardware Description •...
  • Page 41 128 fibers and 6 cards are in the upper half of the shelf containing 96 fibers. Therefore the total number of 224 fibers will need to be installed Passport 15000, 20000 Site Requirements and Preparation Guide 5.2S2...

  • Page 42: Managing Low-Density Cabling

    Based on this calculation, a single cable bracket (P0937935) will handle the fibers from only one-half of a shelf containing NTHW31 cards. Managing low-density cabling To plan cable management for Passport 15000 and Passport 20000 switches with low-density cabling, do the following: •...

  • Page 43: Managing Very High-Density Coax Cabling

    Note: Using extended cable management brackets expands the footprint of a Passport 15000 or a Passport 20000 switch. Review the material in “Assess the location of a Passport 15000 or 20000” (page 55) to determine the allowance that must be made to accommodate these brackets.
  • Page 44 “When anchoring NEBS 2000 frames side-by-side” (page 116) and “Marking the footprint and the anchor holes on the floor” (page 112). For cable management on a Passport 15000 or 20000 switch, all coax cables are typically routed to the right front side of the NEBS 2000 frame (facing the front of the switch) and all fiber and CP cables are typically routed to the left.

  • Page 45: Placing A Fiber Management Unit For Cable Slack

    Chapter 2 Planning considerations 45 Placing a fiber management unit for cable slack Fiber cable slack can be managed near the Passport 15000 or 20000 switch by installing one or more optional dual-drawer fiber management units in the same or an adjacent NEBS 2000 frame as the switch. The product engineering code (PEC) of the fiber unit is NTHW50.
  • Page 46 fiber management unit in a 21-inch (53.34-cm) mounting apparatus that is anchored near the switch. Note 2: Nortel Networks recommends that a fiber management unit not be installed in a 23-inch (58.42-cm) EIA rack that already houses a Passport 15000 or 20000 switch because of weight limitations.

  • Page 47: Using Custom-Made Processor Card Or System Cables

    fiber cards within the shelf and the distance of the shelf from the next equipment in the port connection paths. For the electrical FPs (for example, with DS3, E3, or E1 interfaces), Nortel Networks also offers prefabricated cable assemblies for the traffic (signaling) ports, and the control ports for sparing panels.
  • Page 48 241-1501-200 Passport 15000, 20000 Hardware Description for each hardware unit. Note: Some cable assemblies for the Passport 15000 or 20000 identify only the prefabricated version and do not provide specifications for custom-making the cable.

  • Page 49: Assess Environmental Requirements

    • “Prerequisites for your earthquake zone and application” (page 53) Operational environment The Passport 15000 or 20000 switch hardware should be installed in a climate controlled environment. The switch hardware complies with the Telcordia NEBS GR-63-CORE, and ETS 300-019-1-3, class 3.1E for operating temperature.
  • Page 50 50 Chapter 2 Planning considerations Table 4 (continued) Operational environment specifications for a Passport 15000 or 20000 Parameter Range Short term operating -5 to 50 degrees Celsius temperature (23 to 122 degrees Fahrenheit) Short term operating humidity 5% to 90% relative humidity at...

  • Page 51: Power Dissipation

    The thermal design of the Passport 15000 or 20000 provides for 3000 W power dissipation per shelf. For the purposes of this calculation, a shelf is defined as a double card cage of 9 times ~53-mm wide modules.

  • Page 52: Bulk Heat Dissipation

    16 slots at 150 W each + 2 fabric cards at 75 W each + 2 cooling units + BIP = 2700 W for a frame housing one shelf (one Passport 15000 or 20000) The exact power dissipation of an individual Passport 15000 or 20000 shelf will vary, depending on the number of function processors installed in the shelf.

  • Page 53: Prerequisites For Your Earthquake Zone And Application

    For information about anchoring kits for earthquake zones 2 and 4, for either a raised floor or a concrete floor, contact your Nortel Networks sales representative. Passport 15000, 20000 Site Requirements and Preparation Guide...

  • Page 54: Assess Power Cable Location

    54 Chapter 2 Planning considerations Assess power cable location This section provides the following information about determining the location of input power cables feeding the Passport 15000 or 20000: • “Ceiling requirements” (page 54) • “Flooring requirements” (page 54) Other floor criteria to consider when choosing an overhead or underfloor route for the power cables is described in “Preparing the floor for anchor...

  • Page 55: Assess The Location Of A Passport 15000 Or 20000

    Chapter 2 Planning considerations 55 Assess the location of a Passport 15000 or 20000 To assess the location of one or two Passport 15000 or 20000 switches in a NEBS 2000 frame, consider whether the system will always be a stand-alone network node, or whether hardware might be added later.
  • Page 56 floor for either earthquake or non-earthquake applications. Also consider the location of the Passport 15000 or 20000 relative to the location of the hardware that connects to it, namely the equipment identified in all other sections of this chapter.
  • Page 57 (front) cooling unit Air filter cover Air flow out of the lower (rear) cooling unit Air flow into the frame to the shelf assembly Air filter cover PPT 2820 041 AA Passport 15000, 20000 Site Requirements and Preparation Guide 5.2S2...

  • Page 58: Equipment Size And Weight

    58 Chapter 2 Planning considerations Equipment size and weight Before installing the NEBS 2000 frame with one or two Passport 15000 or 20000 switches, ensure that the room can accommodate the size, weight, and environmental (thermal and humidity) requirements of the equipment.
  • Page 59 (shelves)” (page 63) • “Weights of a frame with a Passport 15000-VSS” (page 68) • “Weights of a frame with a Passport 15000 and a Shasta 5000” (page 68) • “Weight of Passport 15000 shelf-based parts that are installed in a 23-inch EIA rack”...

  • Page 60: Table 8 Base Weight Of A Frame Shipped With One Passport 15000 Switch (Shelf)

    60 Chapter 2 Planning considerations Table 8 Base weight of a frame shipped with one Passport 15000 switch (shelf) Name of the hardware part PEC or part number Quantity Weight kg (lbs) frame, NEBS 2000, 600 mm x 600 mm NTRU04 181.4 (400)

  • Page 61: Table 9 Base Weight Of A Frame Shipped With Two Passport 15000 Switches (Shelves)

    Chapter 2 Planning considerations 61 Table 9 Base weight of a frame shipped with two Passport 15000 switches (shelves) Name of the hardware part PEC or part number Quantity Weight kg (lbs) frame, NEBS 2000, 600 mm x 600 mm NTRU04 181.4 (400)

  • Page 62: Table 10 Base Weight Of A Frame Shipped With One Passport 20000 Switch (Shelf)

    FP cards in various 1 to 14 x.x (y.y) the table “Weight of optional or additional Passport 15000 or 20000 parts” (page 65) for card-specific weights system cables: cooling unit alarm cable (upper or lower shelf) NTHR57 0.3 (0.66)

  • Page 63: Table 11 Base Weight Of A Frame Shipped With Two Passport 20000 Switches (Shelves)

    FP cards in various 1 to 28 x.x (y.y) the table “Weight of optional or additional Passport 15000 or 20000 parts” (page 65) for card-specific weights cables: cooling unit alarm cable (upper or lower shelf) NTHR57 0.3 (0.66)
  • Page 64 64 Chapter 2 Planning considerations Table 11 (continued) Base weight of a frame shipped with two Passport 20000 switches (shelves) Name of the hardware part PEC or part Quantity Weight number kg (lbs) cable management brackets, moulded plastic P0937935 0.98 (2.16) anchor kit for frame (2 anchors per kit) NTRU0327 3 kits...
  • Page 65 NTPN13 Note: * multiply this weight with the number of meters (feet) of cable that fall within the perimeter of the Passport 15000 or 20000, is supported by the NEBS 2000 frame, and the quantity of cables.

  • Page 66: Table 12 Weight Of Optional Or Additional Passport 15000 Or 20000 Parts

    66 Chapter 2 Planning considerations Table 12 (continued) Weight of optional or additional Passport 15000 or 20000 parts Name of the hardware part PEC or part number Quantity Weight kg (lbs) polyvalent power-and-ground assembly kit A0834143 2.1 (4.65) side panel, extended NTPX4050 18.1 (40.0)
  • Page 67 Chapter 2 Planning considerations 67 Table 12 (continued) Weight of optional or additional Passport 15000 or 20000 parts Name of the hardware part PEC or part number Quantity Weight kg (lbs) Note: Weights with ! are estimated. Weights with * include all SFPs (NTTP0x).

  • Page 68: Table 13 Weights Of A Frame With A Passport 15000-Vss

    CP and FP modules, and the CP, FP, and fabric cards for the Passport 15000 Table 14 Weights of a frame with a Passport 15000 and a Shasta 5000 Number of Status of Weight Hardware included with the weight...

  • Page 69: Table 15 Weight Of Passport 15000 Shelf-Based Parts That Are Installed In A 23-Inch Eia Rack

    Chapter 2 Planning considerations 69 Table 15 Weight of Passport 15000 shelf-based parts that are installed in a 23-inch EIA rack Name of the hardware part PEC or part number Quantity Weight kg (lbs) adapter brackets (front) for installing switch P0918821 10.2 (22.4)

  • Page 70: Table 16 Weight Of Passport 20000 Shelf-Based Parts That Are Installed In A 23-Inch Eia Rack

    70 Chapter 2 Planning considerations Table 16 Weight of Passport 20000 shelf-based parts that are installed in a 23-inch EIA rack Name of the hardware part PEC or part number Quantity Weight kg (lbs) adapter brackets (front) for installing switch P0918821 10.2 (22.4) hardware into a 23-inch EIA rack...

  • Page 71: Table 17 Optional And To-Be-Determined Weights For A Passport 15000 Or 20000 In A 23-Inch Eia Rack

    Note: * multiply this weight with the number of meters (feet) of cable that fall within the perimeter of the Passport 15000 or 20000, is supported by the NEBS 2000 frame, and the quantity of cables. ETSI power-and-ground assembly kit A0834149 3.1 (6.85)

  • Page 72: Front And Rear Access To Switch Hardware

    72 Chapter 2 Planning considerations Front and rear access to switch hardware It is important to be able to have comfortable access to the Passport 15000 or 20000 switch hardware to perform maintenance. The sizes of the plug-in cards and modules require minimum distances for you to be able to safely remove and insert them for a maintenance or an upgrade task.
  • Page 73 (25 in.) access Back Door 73.2 cm (28.82 in.) Front 63 cm Door (25 in.) 76.2 cm Depth for (30 in.) maintenance access 60 cm (24 in.) PPT 3458 008 AA2 Passport 15000, 20000 Site Requirements and Preparation Guide 5.2S2...

  • Page 74: Assess The Location Of A System Of Ac Rectifiers

    74 Chapter 2 Planning considerations Assess the location of a system of ac rectifiers A Passport 15000 or 20000 switch can be powered from a system of ac rectifiers, such as an Astec MFA150 power system. Because the ac rectifiers...
  • Page 75 MFA150 framework setup that could also affect the installation of the switch An MFA150 system can be anchored beside a Passport 15000 or 20000 without interfering with its telecommunications performance. CAUTION Risk of service interruption An MFA150 power system of ac rectifiers is rated as class...

  • Page 76: Assess The Locations Of Peripheral Equipment

    “Placing a fiber management unit for cable slack” (page 45) Choosing the user interface equipment The user interface equipment is typically a terminal (computer with a monitor) that is connected to the Passport 15000 or 20000 switch. The user interface equipment enables a software operator to: •...

  • Page 77: Choosing The Network Management Computer For A Passport 15000 Or 20000

    Note: The user interface terminal is not the equipment used for Preside Multiservice Data Manager which communicates with the Passport 15000 or 20000 as a node in the network. For information about Preside Multiservice Data Manager connectivity, see “Choosing the network management computer for a Passport 15000 or 20000”...

  • Page 78: Deciding Where To Place Local User Interface Equipment

    See “Choosing the user interface equipment” (page 76). Decide where to place the terminal relative to the where the Passport 15000 or 20000 is to be positioned. The terminal must be co-located at the same site as the Passport 15000 or 20000.
  • Page 79 NEBS 2000 frame (NTRU04). Since most of the sparing panels that are used with a Passport 15000 or 20000 are 19 inches wide, they can be mounted on a 19-inch wide apparatus, or on the 21-inch wide NTRU04 using the EIA-to-NEBS adapter brackets in the kit NTHW21.

  • Page 80: Deciding Where To Place Interworking Equipment

    • what the power requirements are • which external alarms on the equipment, if any, or on the Passport 15000 or 20000 switch can be connected; for the switch, see “Deciding which external BIP alarms to connect” (page 82) Decide where to put the interworking equipment within reach of the switch, and within reach of the power source.
  • Page 81 100 ohms nominal balanced for DS1. The lengths of the prefabricated interface cables are in the table “Cable lengths between an EdgeLink 100 and a Passport 15000 or 20000” (page 81). For other lengths, contact your local Nortel Networks sales representative.

  • Page 82: Interworking With A Shasta 5000

    LED, or an audible alarm. Since the alarm terminals are customer premises equipment (CPE), you must decide which alarms are to be connected to the Passport 15000 or 20000. For the complete list of available BIP external alarm connections and the types of alarms they provide, refer to 241-1501-200 Passport 15000, 20000 Hardware Description.

  • Page 83: Using A Connection To A Gigabit Ethernet Port On Nthw84

    Chapter 2 Planning considerations 83 The choices of alarms from an Astec MFA150 power system of ac rectifiers that can be connected to the Passport 15000 or 20000 are described in the Astec document 167-9021-133 Advanced Power Systems MFA150 Modular Front Access Power System Detailed Installation Guidelines and Procedures Manual.

  • Page 84: Spare Processor Cards

    Spare processor cards should be stored in the same room as the Passport 15000 or 20000 switches so that the influence of imbalanced humidity is minimized. Otherwise you must wait an hour to acclimatize a card before inserting it into a slot.

  • Page 85: Kits Of Spare Parts For A Passport 15000 Or 20000

    Chapter 2 Planning considerations 85 Kits of spare parts for a Passport 15000 or 20000 Hardware kits are available to provide sets of spare parts for a Passport 15000 or 20000. For a Passport 15000, the kits are: • NTQS29AA •...
  • Page 86 If the timing source of your site is BITS, you must provide and install whatever timing cables are needed to connect the site source to the alarm/BITS module itself on the Passport 15000 or 20000, or to a cable assembly that is connected to the alarm/BITS module.

  • Page 87: Plan For The Use Of An Equivalent Mounting Apparatus

    When installing a Passport 15000 or 20000 into a mounting apparatus other than the NEBS 2000 frame, the hardware is provided in a shelf kit. The shelf kit, designed to fit a Passport 15000 or 20000 into a 23-inch EIA rack, complies with Seismic Zone 2 requirements when installed in the bottom of the frame.

  • Page 88: Dimensions And Weight Rating For The Alternate Rack

    floor is rated for the combined weight of the Passport 15000 or 20000, the rack, and any other equipment you plan to mount on the rack Passport 15000 or 20000 hardware has a width of 21 inches (53.34 cm) and a mounted height of 43.63 inches (110.8 cm). Switch hardware package NTQS04 or NTQH04 provides adapter brackets to accommodate a 23-inch (58.4-cm) wide EIA rack.
  • Page 89 Chapter 2 Planning considerations 89 To mount the Passport 15000 or 20000 shelf into a rack without using the adapter brackets provided in the kit, the rack must meet the following criteria: • The mounting holes must be at 25 mm (1.0 in.) vertical increments starting 12.5 mm (0.5 in.) from the bottom.
  • Page 90 90 Chapter 2 Planning considerations Figure 6 A shelf assembly in a rack, isometric front view Customer-supplied rack or cabinet Short right adapter bracket P0918824 Right front adapter bracket P0918822 Short left adaptor bracket P0918823 BIP chassis Screw P0601478 Orientation hole Mounting ear Shelf assembly Left front adaptor...

  • Page 91: Electromagnetic Compatibilities For An Alternative Mounting Apparatus

    • The Passport 15000 or 20000 shelf kit requires no less than 10 cm free of obstructions in front of the cooling unit inlet. •...
  • Page 92 If you plan to install additional equipment in the rack or cabinet above the Passport 15000 or 20000, do not restrict the inlet or exhaust area of the cooling unit with equipment cables. There must be sufficient air flow to ensure that the cooling unit is not taking in air heated by the additional equipment.

  • Page 93: Preparing Your Site's Source Of Power

    “Power distribution and consumption” (page 125). Grounding the switch hardware A Passport 15000 or 20000 switch and all other equipment installed in a rack must be grounded to comply with NEBS requirements. The frame must be grounded by using the silvery grounding tape, provided in the kit, mounted against clean, unpainted metal on the rack.
  • Page 94 94 Chapter 2 Planning considerations If the rack cannot be grounded using the silvery grounding tape, the following criteria must be met: • The BIP grounding stud connection must be utilized for bonding the BIP to the rack or cabinet. •...

  • Page 95: Site Preparation

    Preparing the floor for anchor holes PP_TASK_1103 Task flow navigation • “Before you begin” (page 96) • “Using the NEBS floor template” (page 97) • “Preparing the floor for anchor holes” (page 101) Passport 15000, 20000 Site Requirements and Preparation Guide 5.2S2...

  • Page 96: Before You Begin

    Before following any of the procedures in this section, you should also see “Safe equipment handling” (page 23) for a description of the tools and personnel required to move Passport 15000 or 20000 switches in a frame into position. Tools and equipment required You must have the following tools and equipment to prepare the floor:...

  • Page 97: Using The Nebs Floor Template

    Using a template maximizes efficient use of floor space. As the isolator pad, it insulates the frame from the floor. The NEBS floor template for a Passport 15000 or 20000 has part number A0682225.
  • Page 98 98 Chapter 3 Site preparation Figure 8 NEBS 2000 footprint measurements 83.0 cm (32.7 inches) 242.57 cm (95.5 inches) 76.2 cm (30 inches), front 6.35 cm 17.15 cm (2.5 inches) (6.75 inches) 17.78 cm 28.85 cm 4.0 cm (7 inches) 6.35 cm (2.5 inches) (11.75 inches) (1.6 inches)

  • Page 99: Raised Floor Openings For Processor Cables

    • the capacity of the floor with one or two openings in it can still safely hold the weight of your Passport 15000 or 20000 after it is fully installed Passport 15000, 20000 Site Requirements and Preparation Guide 5.2S2...
  • Page 100 DS3 or E1 signalling cables do not share a parallel path with the power cables To calculate the weight of your Passport 15000 or 20000 switch hardware, see “Equipment size and weight” (page 58). To calculate your diminished raised floor capacity, estimate the size of the hole and deduct its area from the area...

  • Page 101: Preparing The Floor For Anchor Holes

    Task flow of preparing the floor This task flow shows you the sequence of procedures you perform to prepare the floor for anchor holes. To link to any procedure, go to “Task flow navigation” (page 95). Passport 15000, 20000 Site Requirements and Preparation Guide 5.2S2...
  • Page 102 102 Chapter 3 Site preparation Figure 9 Task flow of preparing the floor for anchor holes Checking the floor Floor preparation For procedure page Are you anchoring When adding extended numbers, see NEBS 2000 frames cable management brackets Task flow navigation side-by-side? to a NEBS 2000 frame below...
  • Page 103 “Marking the footprint and the anchor holes on the floor” (page 112) • “When anchoring NEBS 2000 frames side-by-side” (page 116) • “When anchoring ac rectifiers near a Passport” (page 118) Passport 15000, 20000 Site Requirements and Preparation Guide 5.2S2...

  • Page 104: Checking The Floor

    This aisle area is half the required minimum space in front of and behind a Passport 15000 or 20000 in a NEBS 2000 frame. With the frame and the aisle space, the total surface area of the floor would be...

  • Page 105: Common Procedure Used For Drilling Any Floor

    For drilling concrete, use the length of the parts of the anchor below the largest washer to measure the depth of the hole. For most Nortel Networks anchors, this is approximately 10 cm (4 in.). Refer to the figure “Anchor in a concrete floor”...
  • Page 106 106 Chapter 3 Site preparation WARNING Risk of equipment damage by water Do not penetrate the concrete into the vapor barrier when drilling holes. Ground water may seep into the anchor hole. WARNING Geräteschäden durch Wasser Beschädigen Sie beim Bohren nicht die Dampfsperre unter dem Estrich.
  • Page 107 When a hole exposes such material, drill a hole at the other end of the oval opening. If the second hole hits more conductive construction material, use another oval hole. Cover the holes with tape to keep them clean until the anchors are actually installed. Passport 15000, 20000 Site Requirements and Preparation Guide 5.2S2...
  • Page 108 108 Chapter 3 Site preparation Procedure job aid Figure 10 Anchoring to a raised floor with removable tiles Fasten top of threaded rod according to type of fastener Weldnut Bottom of frame 8 cm (3 in.) Levelling foot Access floor Raised floor tiles Hex nuts Plate washers...
  • Page 109 Drilling a raised floor without removable tiles drill chuck depth of post level anchor shim raised floor measure by fish tape drill bit method subfloor depth of anchor PPT 2820 028 AA Passport 15000, 20000 Site Requirements and Preparation Guide 5.2S2...
  • Page 110 110 Chapter 3 Site preparation Figure 12 Anchor in a concrete floor 1. Threaded rod 2. Hex nut 3. Flat washer 4. Belleville washer 5. Plate washer 6. Insulation bushing Frame base 7. Sleeve Concrete floor 8. Collapsible sleeve 10 cm (4 in.) 9.

  • Page 111: When Adding Extended Cable Management Brackets To A Nebs 2000 Frame

    NEBS 2000 frame The optional extended brackets enable handling the cables of one or two fully provisioned Passport 15000 or 20000 switches in the frame. Installing the NTRU0370 junction kits provides brackets and hardware to join two adjacent and equally enlarged NEBS 2000 frames.

  • Page 112: Marking The Footprint And The Anchor Holes On The Floor

    Before marking the floor with the footprint of the NEBS 2000 frame, ensure there is a minimum safety clearance of 0.9 m (3 feet) in front of or behind a Passport 15000 or 20000. The minimum is required to enable personnel to safely do various installation, maintenance, or upgrade tasks on the Passport 15000.
  • Page 113 The spacer brackets in kit number NTRU0365 ensure the required minimum space between the fastened frames. When positioning a second Nortel Networks frame to join this one, use the same clearance on the second one.
  • Page 114 114 Chapter 3 Site preparation a regular size side panel to cover the extended cable management brackets. Mark the clearance on the floor as a dashed line. Adjust the position of the template until all clearances are met. For a raised floor with removable tiles, ensure the anchor hole markings are at least 5 cm (2 in.) from the edge of a tile.

  • Page 115: Table 20 Frame Anchoring Kits

    2 P0715199 isolation bushing 2.5/.9” OD, 0.5” ID, 0.4/0.08” T P0401452 3/8” 16 nut P0735806 plate washer 0.406” ID, 2.25” OD, 0.188” T 12 Legend: inside diameter outside diameter thickness Passport 15000, 20000 Site Requirements and Preparation Guide 5.2S2...

  • Page 116: When Anchoring Nebs 2000 Frames Side-By-Side

    floor space • minimizes the lengths of fiber or coax cable run between a Passport 15000 or 20000 and its sparing panel (which must be in its own frame) • maintains the minimum distance required to string FP cable clusters between cable brackets when fastening them to the brackets •...
  • Page 117 floor The floor must be pre-marked to accommodate adjacent frames to be fastened together. Refer to “Marking the footprint and the anchor holes on the floor” (page 112). Passport 15000, 20000 Site Requirements and Preparation Guide 5.2S2...

  • Page 118: When Anchoring Ac Rectifiers Near A Passport

    118 Chapter 3 Site preparation When anchoring ac rectifiers near a Passport When a Passport 15000 and 20000 is to be powered by a system of ac rectifiers, such as an Astec MFA150 power system, you must consider how close the rack, frame, or framework is to be anchored near the NEBS 2000 frame.

  • Page 119: Power And Grounding Preparation

    “Preparation for installing power and ground cables” (page 131) • “Power cable specifications” (page 143) • “Power and ground cabling overview” (page 153) • “Grounding the frame and communication links” (page 157) Passport 15000, 20000 Site Requirements and Preparation Guide 5.2S2...

  • Page 120: Power Architecture

    120 Chapter 4 Power and grounding preparation Power architecture Power is supplied to the Passport 15000 or 20000 by redundant A and B feeds to the breaker interface panel (BIP). The source of power must be dc that is provided either directly from the site power plant or from a system of ac rectifiers, such as an Astec MFA150 power system.

  • Page 121: Passport 15000-Vss Power Architecture

    ) cables with a guarantee of 40 or 50 up to 100 A per feed. (The 40 A is two times the largest BIP breaker for a Passport 15000, while the 50 A is two times the largest BIP breaker for a Passport 20000.) The cables must meet or exceed the criteria identified in “Power cable...

  • Page 122: Redundant Power Feeds

    “Power input from a system of ac rectifiers” (page 123) Redundant power feeds It is desirable to power a Passport 15000 or 20000 switch from two independent sources in such a way that it eliminates a single point of failure.

  • Page 123: Power Input From A System Of Ac Rectifiers

    When powering the BIP from a system of ac rectifiers, such as an Astec MFA150 power system without batteries, the nominal dc power output must be 50 A. To power two Passport 15000 or 20000 switches, Nortel Networks recommends using an MFA150 configuration of five 25-A rectifiers connected in parallel.
  • Page 124 124 Chapter 4 Power and grounding preparation Figure 13 MFA150 power system of five rectifiers for two Passport 15000 or 20000 shelves Anti-shear panel Rack Controller Rectifier Anchor Anchor opening PPT 2997 001 AB 241-1501-205 5.2S2...

  • Page 125: Passport 15000-Vss Power Requirements

    Chapter 4 Power and grounding preparation 125 Passport 15000-VSS power requirements The power supply for the Passport 15000-Variable Speed Switch (VSS) is dc. Since a VSS is a combination of a Passport 15000 and a Passport 7480, the power requirements for each is different. •...
  • Page 126 20000 by totalling the maximum power consumption of the individual parts. Use the table “Power consumption for hardware parts for a Passport 15000 or 20000” (page 127), which is sorted by part number. The information in the table (sorted by PEC) enables you to calculate the total typical and maximum power consumption.

  • Page 127: Table 21 Power Consumption For Hardware Parts For A Passport 15000 Or 20000

    Chapter 4 Power and grounding preparation 127 Table 21 Power consumption for hardware parts for a Passport 15000 or 20000 Hardware part Typical Maximum power (W) power (W) NT6C61 or NT6C62 BIP (per shelf, 2 feeds, with 12.84 20.82 20 A breakers) NT6C67AA or NT6C68AA BIP (per shelf, 2 feeds, 12.84...
  • Page 128 128 Chapter 4 Power and grounding preparation Table 21 (continued) Power consumption for hardware parts for a Passport 15000 or 20000 Hardware part Typical Maximum power (W) power (W) NTHR45 CQC E3 41.76 52.2 NTHR47 CQC OC-3 single-mode 54.81 68.51 NTHR51AA or AB, or NTHR52AA or AB cooling 79.2...
  • Page 129 Chapter 4 Power and grounding preparation 129 Table 21 (continued) Power consumption for hardware parts for a Passport 15000 or 20000 Hardware part Typical Maximum power (W) power (W) NTHW21 16-port OC-3/STM-1 ATM single-mode 130.0 150.0 intermediate reach NTHW30 VPN extender card 36.7...

  • Page 130: Sample Calculation Of Maximum Input Current

    130 Chapter 4 Power and grounding preparation Table 21 (continued) Power consumption for hardware parts for a Passport 15000 or 20000 Hardware part Typical Maximum power (W) power (W) NTPN15 power interface module (PIM) power is supplied by the control processor (CP) NTQS31 sparing panel 10.0...

  • Page 131: Passport 15000-Vss Power Distribution

    Passport 7400 Hardware Description. Preparation for installing power and ground cables The Passport 15000 or 20000 is powered from a dc power source by 2 or 4 feeds to the breaker interface panel (BIP). The dc power source can be from either an all-dc power plant or a system of ac rectifiers, such as an Astec...
  • Page 132 132 Chapter 4 Power and grounding preparation Passport 15000 or 20000 through the feeds A1 and B1 for the lower shelf and A2 and B2 for the upper shelf, and redundantly distributes the power to hardware parts. The operating company must provide and install the input power cables that feed the system of ac rectifiers.

  • Page 133: Allowing For Voltage Drop Over Distance

    Chapter 4 Power and grounding preparation 133 • grounding the Passport 15000 or 20000 to the CPE or the CO ground window to the NEBS 2000 frame • if present, grounding the MFA150 power system to the same ground window as the Passport 15000 or 20000 •...
  • Page 134 No. 1/0 AWG (53.49 mm ) to the BIP is based on 8 conductors in the cable bundle for two fully provisioned Passport 15000 or 20000 switches in a frame Note: When using a dc site source for power, rate the size of the over-...

  • Page 135: About Restricted And Non-Restricted Sites

    With a Passport 20000, the breakers to the shelves on the breaker interface panel (BIP) increase from 20 A to 25 A. Apply the same criteria for voltage drop, cable size, and cable specification as a regular Passport 15000 with the 20 A breakers.

  • Page 136: Labeling The Power Feeds In Cpe Or A Co

    136 Chapter 4 Power and grounding preparation A Passport 15000 or 20000 that is installed in a restricted access environment (as with a central office, typically) does not require the use of conduit for power cables and must comply with the operating company’s requirements.
  • Page 137 (or red) with tape marked L+ frame ground green and yellow (or black) logical return black -48/-60 V dc power black (or blue) with tape marked L- battery return black (or red) with tape marked L+ Passport 15000, 20000 Site Requirements and Preparation Guide 5.2S2...

  • Page 138: Grounding The Frame In Cpe Or A Co

    Grounding the frame in CPE or a CO With customer premises equipment (CPE) or in a central office (CO), the Passport 15000 or 20000 is grounded to the NEBS 2000 frame (NTRU04) and the frame is grounded to the ground window of the site.
  • Page 139 NTRU04 frame. The alternative grounding point to the frame from the site ground window is at the top front of the NEBS 2000 frame on the silvery grounding strip. Passport 15000, 20000 Site Requirements and Preparation Guide 5.2S2...
  • Page 140 No. 6 local ground reference two-hole to building ground ground lug window (system local is fastened to Passport 15000) onto front of frame above BIP in provided holes grounding strips taped to uprights PPT 2820 006 AA 241-1501-205 5.2S2...

  • Page 141: Grounding When Not Using A Nebs 2000 Frame

    When installing a system of ac rectifiers such as an Astec MFA150 power system to provide dc power to the Passport 15000 or 20000, ground the frame and the framework to the same ground window. Also, ground both by similar methods, for example, as described in “Grounding the frame in CPE or a CO”...
  • Page 142 142 Chapter 4 Power and grounding preparation Each input stud at the rear of the BIP is provided with a narrow-tongued 2-hole 90-degree offset 2/0 AWG lug (part number A0757391) underneath a clamped insulating boot. The boot prevents direct access to the power connections and potential shorting between adjacent connections.

  • Page 143: Power Cable Specifications

    With a Passport 20000, the breakers to the shelves on the breaker interface panel (BIP) increase from 20 A to 25 A. Apply the same criteria for voltage drop, cable size, and cable specification as a regular Passport 15000 with the 20 A breakers.

  • Page 144: Power Cable Specifications For A Fully Provisioned Shelf

    (BIP) must be fed by 1/0 AWG (53.49 mm ) cables for each fully provisioned Passport 15000 or 20000 switch. The operating company must provide the power cables up to the BIP. The cable size between the BIP and the power plant or the BIP and a branch cable must be very flexible 1/...
  • Page 145 UL 1666 riser FT-6 UL 910 plenum Additional information about cables used in a setup with an ac rectifier is included in “Power cable specifications when using ac rectifiers” (page 152). Passport 15000, 20000 Site Requirements and Preparation Guide 5.2S2...

  • Page 146: Power Cable Specifications For A Partially Provisioned Shelf

    1/0 AWG (53.49 mm ) cables for a partially provisioned Passport 15000 or 20000 switch. The operating company must provide the power cables up to the BIP. The cable size between the BIP and the power plant or the BIP and a branch cable must be determined from the power consumption of your shelf.

  • Page 147: Power Cable Specifications With A Polyvalent Assembly

    BIP, reversed polarity will damage circuits inside it. Power cable specifications with a polyvalent assembly When the power-and-ground setup of a Passport 15000 or 20000 uses the optional polyvalent assembly, the assembly is installed between the power source cables and the breaker interface panel (BIP). See the figure “Polyvalent power-and-ground assembly A0834143”...
  • Page 148 148 Chapter 4 Power and grounding preparation The polyvalent hardware must be installed on the NEBS 2000 frame on site as an optional kit (part number A0834143). All of the criteria in “Power architecture” (page 120) still apply. The power cables in the polyvalent hardware kit that connect the bottom of the terminal blocks to the BIP studs are provided.

  • Page 149: Power Cable Specifications With An Etsi Assembly

    PPT 2997 005 AD Power cable specifications with an ETSI assembly When the power-and-ground setup of a Passport 15000 or 20000 uses the hardware that complies with the European Telecommunications Standards Institutes (ETSI), the hardware assembly is installed between the power source cables and the breaker interface panel (BIP).
  • Page 150 150 Chapter 4 Power and grounding preparation The ETSI hardware must be installed on the NEBS 2000 frame on site as an optional kit (part number A0834149). All of the criteria in “Power architecture” (page 120) still apply. The power cables in the ETSI hardware kit that connect the bottom of the terminal blocks to the BIP studs are provided.
  • Page 151 Rear frame Power input upright cables Rear of BIP Strain-relief Cable Terminal Super-Flex Insulation fastening block power boot screws input cable PPT 2997 006 AA Passport 15000, 20000 Site Requirements and Preparation Guide 5.2S2...

  • Page 152: Power Cable Specifications When Using Ac Rectifiers

    152 Chapter 4 Power and grounding preparation Power cable specifications when using ac rectifiers When the power and ground setup of a Passport 15000 or 20000 uses a system of ac rectifiers as a power source, such an Astec MFA150 power system, the size of the dc cables between the rectifier and the rear of the breaker interface...

  • Page 153: Power And Ground Cabling Overview

    Guidelines and Procedures Manual. Power and ground cabling overview The NEBS 2000 frame in which one or two Passport 15000 or 20000 switches are mounted has the versatility to use either top or bottom cable routing for the power feeds and the top frame ground (labeled with the standard icon). A -48/-60 V dc power source is required.
  • Page 154 154 Chapter 4 Power and grounding preparation Figure 17 IBN grounding Connection for framework grounding of any non-Passport 15000 equipment within 2 m (7 ft), unless already connected to the single point ground (SPG) Frame ground No. 1/0 (FG) reference No.
  • Page 155 (FG) reference No. 6 Local ground reference Ground lug To building ground is fastened window (system local onto front to Passport node) of frame above BIP Isolator pad PPT 2820 029 AA Passport 15000, 20000 Site Requirements and Preparation Guide 5.2S2...

  • Page 156: General Grounding Rules For Ibn And Cbn Topologies

    For an European Telecommunications Standards Institutes (ETSI) topology using mesh-BN, the optional hardware kit is A0834149, which can be ordered with the Passport 15000 or 20000 or added later. These rules apply: • the frame ground (FG) of each cabinet is bonded to the local CBN •...

  • Page 157: Grounding The Frame And Communication Links

    (possible signal errors or damages to circuity, or both) • safety concerns, when metallic connection allows contact between different ground potentials (possible hazard) Passport 15000, 20000 Site Requirements and Preparation Guide 5.2S2...
  • Page 158 This requires specific installation measures to offset any possible hazards or violation. There are three main types of communication cables used in the Passport 15000 or 20000 system: fiber optic cables, shielded twisted-pair, and coaxial cables.

  • Page 159: Standards And Compliance Considerations

    The prerequisite standards is ITU-T K.27 (Bonding Configurations and Earthing Inside a Telecommunication Building). Note: Some warnings and cautions in the Passport 15000 or 20000 documentation suite appear in German. This complies with requirements for VDE (Verband Deutscher Elektrotechniker).

  • Page 160: Product Safety/Regulatory

    The BR and the FG/LR are tied together at the ground window. Passport 15000 or 20000 was tested to or verified by CSA for North America (Canada and USA) to CSA C22.2 no. 950/UL 1950, 1995. Passport 15000 or 20000 was tested to or verified using CB reports for international markets according to: •...

  • Page 161: Grounding Standards

    Telecommunication Equipment, Bell Canada • ETS 300 132, Draft, Power Supply Interface at the input to Telecommunications Equipment (ETSI) • FTZ 19, Issue 1, German Telecom Power Requirements (Deutches Bundesposte Telekom, Germany) Passport 15000, 20000 Site Requirements and Preparation Guide 5.2S2...

  • Page 162: Electromagnetic Compatibilities

    ETSI 300-386-2 GR-1089-CORE IECS 003 WARNING Risk of radio interference Passport 15000 is a class A product. In a domestic environment this product may cause radio interference, in which case the user may be required to take adequate measures. WARNUNG Radioempfangstörungsgefahr...

  • Page 163: Electromagnetic Immunity (Emi)

    Passport 15000 or 20000 meets the material and manufacturing standards of GR-00078. Other standards Much of Passport 15000 or 20000 is manufactured with plated metals to ensure no rusting or degradation of ground contact. All non-plated metallic surfaces are painted.

  • Page 164: Astec Mfa150 Standards And Compliances

    Astec MFA150 standards and compliances When using an MFA150 power system of rectifiers to provide dc power for the Passport 15000, refer to the standards and compliances listed in Astec’s document 167-9021-102 Advanced Power Systems MFA150 Modular Front Access Power System Description, Operation and Maintenance User Manual.

  • Page 165: Appendix Grounding Topologies

    The different types of grounding networks from the International Telecommunications Union standard ITU TS K.27 are shown by the figures “Mesh-BN bonding network” (page 166), “Mesh-IBN isolated bonding network” (page 167), and “Star-IBN isolated bonding network” (page 168). Passport 15000, 20000 Site Requirements and Preparation Guide 5.2S2...
  • Page 166 166 Appendix Grounding topologies Figure 19 Mesh-BN bonding network A bonding network in which all associated switch (SW) frames, racks, and cabinets, and usually, the dc power return conductor, are bonded together as well as at multiple points to the common bonding network (CBN).
  • Page 167 CBN. If necessary the bonding could include vertical extensions, resulting in an approximation to a Faraday cage. The spacing of the grid is chosen according to the frequency range of the electromagnetic environment. PPT 2819 056 AA Passport 15000, 20000 Site Requirements and Preparation Guide 5.2S2...
  • Page 168 168 Appendix Grounding topologies Figure 21 Star-IBN isolated bonding network may be zero length A type of IBN consisting of clustered or nested IBNs sharing a single point ground (SPG) connection. PPT 2819 054 AA 241-1501-205 5.2S2...
  • Page 170 Copyright © 2004 Nortel Networks. All Rights Reserved. NORTEL NETWORKS, the globemark design, the NORTEL NETWORKS corporate logo, and Passport are trademarks of Nortel Networks. ADC is a registered trademark of ADC Telecommunications, Inc. AMP, MATE-N-LOK, and Z-PACK are trademarks of AMP of Canada, Ltd.

This manual is also suitable for:

Passport 20000

Table of Contents