REGULATORY COMPLIANCE INFORMATION FEDERAL COMMUNICATIONS COMMISSION (FCC) NOTICE This device complies with Part 15 of the FCC rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. NOTE: This equipment has been tested and found to comply with the limits for a class A digital device, pursuant to Part 15 of the FCC rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment. This equipment uses, generates, and can radiate radio frequency energy and if not installed in accordance with the operator’s manual, may cause harmful interference to radio communications. Operation of this equipment in a residential area is likely to cause interference in which case the user will be required to correct the interference at his own expense. WARNING: Changes or modifications made to this device which are not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment. This digital apparatus does not exceed the class A limits for radio noise emissions from digital apparatus set out in the Radio Interference Regulations of the Canadian Department of Communications. Le présent appareil numérique n’émet pas de bruits radioélectriques dépassant les limites applicables aux appareils numériques de la class A prescrites dans le Règlement sur le brouillage radioélectrique édicté par le ministère des Communications du Canada. WARNING: This 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. ADVERTENCIA: Este es un producto de Clase A. En un ambiente doméstico este producto puede causar interferencia de radio en cuyo caso puede ser requerido tomar medidas adecuadas. WARNHINWEIS: Dieses Produkt zählt zur Klasse A ( Industriebereich ). In Wohnbereichen kann es hierdurch zu Funkstörungen kommen, daher sollten angemessene Vorkehrungen zum Schutz getroffen werden. This product complies with the following: UL 60950, CSA C22.2 No. 60950, 73/23/EEC, EN 60950, IEC 60950, EN 60825, 21 CFR 1040.10. El producto de Enterasys cumple con lo siguiente: UL 60950, CSA C22.2 No. 60950, 73/23/EEC, EN 60950, IEC 60950, EN 60825, 21 CFR 1040.10.
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This product complies with the following: 47 CFR Parts 2 and 15, CSA C108.8, 89/336/EEC, EN 55022, EN 61000‐3‐2, EN 61000‐3‐3, EN 55024, AS/NZS CISPR 22, VCCI V‐3. COMPATIBILIDAD ELECTROMÁGNETICA (EMC) Este producto de Enterasys cumple con lo siguiente: 47 CFR Partes 2 y 15, CSA C108.8, 89/336/EEC, EN 55022, EN 55024, EN 61000‐3‐2, EN 61000‐3‐3, AS/NZS CISPR 22, VCCI V‐3. ELEKTRO- MAGNETISCHE KOMPATIBILITÄT ( EMC ) Dieses Produkt entspricht den folgenden Richtlinien: 47 CFR Parts 2 and 15, CSA C108.8, 89/336/EEC, EN 55022, EN 61000‐3‐2, EN 61000‐3‐3, EN 55024, AS/NZS CISPR 22, VCCI V‐3. This product complies with the requirements of European Directive, 2002/95/EC, Restriction of Hazardous Substances (RoHS) in Electrical and Electronic Equipment. EUROPEAN WASTE ELECTRICAL AND ELECTRONIC EQUIPMENT (WEEE) NOTICE In accordance with Directive 2002/96/EC of the European Parliament on waste electrical and electronic equipment (WEEE): The symbol above indicates that separate collection of electrical and electronic equipment is required and that this product was placed on the European market after August 13, 2005, the date of enforcement for Directive 2002/96/EC. When this product has reached the end of its serviceable life, it cannot be disposed of as unsorted municipal waste. It must be collected and treated separately. It has been determined by the European Parliament that there are potential negative effects on the environment and human health as a result of the presence of hazardous substances in electrical and electronic equipment. It is the users’ responsibility to utilize the available collection system to ensure WEEE is properly treated. For information about the available collection system, please go to http://www.enterasys.com/services/support/ or contact Enterasys Customer Support at 353 61 705586 (Ireland). ELECTROMAGNETIC COMPATIBILITY (EMC) HAZARDOUS SUBSTANCES...
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This is a class A product based on the standard of the Voluntary Control Council for Interference by Information Technology Equipment (VCCI). If this equipment is used in a domestic environment, radio disturbance may arise. When such trouble occurs, the user may be required to take corrective actions. This 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. SINGLE MODE NETWORK EXPANSION MODULES USE CLASS 1 LASER TRANSCEIVERS. READ THE FOLLOWING SAFETY INFORMATION BEFORE INSTALLING OR OPERATING THESE MODULES. The Class 1 laser transceivers use an optical feedback loop to maintain Class 1 operation limits. This control loop eliminates the need for maintenance checks or adjustments. The output is factory set, and does not allow any user adjustment. Class 1 Laser transceivers comply with the following safety standards: • 21 CFR 1040.10 and 1040.11 U.S. Department of Health and Human Services (FDA). • IEC Publication 825 (International Electrotechnical Commission). • CENELEC EN 60825 (European Committee for Electrotechnical Standardization). When operating within their performance limitations, laser transceiver output meets the Class 1 accessible emission limit of all three standards. Class 1 levels of laser radiation are not considered hazardous. When the connector is in place, all laser radiation remains within the fiber. The maximum amount of radiant power exiting the fiber (under normal conditions) is ‐12.6 dBm or 55 x 10 Removing the optical connector from the transceiver allows laser radiation to emit directly from the optical port. The maximum radiance from the optical port (under worst case conditions) is 0.8 W cm Do not use optical instruments to view the laser output. The use of optical instruments to view laser output increases ...
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Application of Council Directive(s): 89/336/EEC Manufacturer’s Address: 50 Minuteman Road European Representative Address: Enterasys Networks, Ltd. Conformance to Directive(s)/Product Standards: EC Directive 89/336/EEC Equipment Type/Environment: Networking Equipment, for use in a Commercial Enterasys Networks, Inc. declares that the equipment packaged with this notice conforms to the above directives. DECLARATION OF CONFORMITY 73/23/EEC Manufacturer’s Name: Enterasys Networks, Inc. Andover, MA 01810 Nexus House, Newbury Business Park London Road, Newbury Berkshire RG14 2PZ, England EN 55022 EN 61000‐3‐2 EN 61000‐3‐3 EN 55024 EC Directive 73/23/EEC EN 60950 EN 60825 or Light Industrial Environment.
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BEFORE OPENING OR UTILIZING THE ENCLOSED PRODUCT, This document is an agreement (“Agreement”) between the end user (“You”) and Enterasys Networks, Inc. on behalf of itself and its Affiliates (as hereinafter defined) (“Enterasys”) that sets forth Your rights and obligations with respect to the Enterasys software program/firmware installed on the Enterasys product (including any accompanying documentation, hardware or media) (“Program”) in the package and prevails over any additional, conflicting or inconsistent terms and conditions appearing on any purchase order or other document submitted by You. “Affiliate” means any person, partnership, corporation, limited liability company, or other form of enterprise that directly or indirectly through one or more intermediaries, controls, or is controlled by, or is under common control with the party specified. This Agreement constitutes the entire understanding between the parties, and supersedes all prior discussions, representations, understandings or agreements, whether oral or in writing, between the parties with respect to the subject matter of this Agreement. The Program may be contained in firmware, chips or other media. BY INSTALLING OR OTHERWISE USING THE PROGRAM, YOU REPRESENT THAT YOU ARE AUTHORIZED TO ACCEPT THESE TERMS ON BEHALF OF THE END USER (IF THE END USER IS AN ENTITY ON WHOSE BEHALF YOU ARE AUTHORIZED TO ACT, “YOU” AND “YOUR” SHALL BE DEEMED TO REFER TO SUCH ENTITY) AND THAT YOU AGREE THAT YOU ARE BOUND BY THE TERMS OF THIS AGREEMENT, WHICH INCLUDES, AMONG OTHER PROVISIONS, THE LICENSE, THE DISCLAIMER OF WARRANTY AND THE LIMITATION OF LIABILITY. IF YOU DO NOT AGREE TO THE TERMS OF THIS AGREEMENT OR ARE NOT AUTHORIZED TO ENTER INTO THIS AGREEMENT, ENTERASYS IS UNWILLING TO LICENSE THE PROGRAM TO YOU AND YOU AGREE TO RETURN THE UNOPENED PRODUCT TO ENTERASYS OR YOUR DEALER, IF ANY, WITHIN TEN (10) DAYS FOLLOWING THE DATE OF RECEIPT FOR A FULL REFUND. IF YOU HAVE ANY QUESTIONS ABOUT THIS AGREEMENT, CONTACT ENTERASYS NETWORKS, LEGAL DEPARTMENT AT (978) 684‐1000. You and Enterasys agree as follows: LICENSE. You have the non‐exclusive and non‐transferable right to use only the one (1) copy of the Program provided in this package subject to the terms and conditions of this Agreement. RESTRICTIONS. Except as otherwise authorized in writing by Enterasys, You may not, nor may You permit any third party to: (i) Reverse engineer, decompile, disassemble or modify the Program, in whole or in part, including for reasons of error correction or interoperability, except to the extent expressly permitted by applicable law and to the extent the parties shall not be permitted by that applicable law, such rights are expressly excluded. Information necessary to achieve interoperability or correct errors is available from Enterasys upon request and upon payment of Enterasys’ applicable fee. (ii) Incorporate the Program, in whole or in part, in any other product or create derivative works based on the ...
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Guidelines for Rackmount Installation ...3-6 Attaching Brackets and Installing in Rack ...3-6 Connecting Stacking Cables ...3-7 Configuring Switches in a Stack ...3-9 About SecureStack A2 Switch Operation in a Stack ...3-9 Recommended Procedures for New and Existing Stacks ...3-10 Contents...
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Removing the Mini-GBIC ...3-26 Connecting Fiber-Optic Cables to MT-RJ Ports ...3-27 Connecting Fiber-Optic Cables to LC Ports ...3-30 Completing the Installation ...3-32 Initial Logon to Switch Management ...3-32 Chapter 4: Troubleshooting Using LANVIEW ...4-2 Troubleshooting Checklist ...4-7 Using the Reset Password Switch ...4-9 Appendix A: Specifications Switch Specifications ...
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Figures A2H124-24P Stackable Switch ...1-3 A2H124-48P Stackable Switch ...1-3 Chassis Bottom, Rubber Feet Placement ...3-4 Area Guidelines for Switch Installation on Flat Surface ...3-5 Attaching the Rackmount Brackets ...3-6 Fastening the Switch to the Rack...3-7 Stacking Cable Connections ...3-8 Switch Rear View (A2H124-48P shown) ...3-12 Accessing the RPS connector...3-13...
Configuration Guide. Note: In this guide, the following terms are used: • Switch refers to all switches (A2H124-24P and A2H124-48P • MGBIC (Mini-Gigabit Interface Card) refers to optional small form pluggable (SFP) interface modules that plug into the fixed front panel MGBIC slots.
SecureStack A2 in a stacked configuration Troubleshooting installation problems and diagnosing network/operational problems using the LANVIEW LEDs Specifications, environmental requirements, and physical properties of the SecureStack A2 and optional Mini-GBICs Related Documents The following documents can help you to set up and manage the switch: • SecureStack A2 Configuration Guide describes how to use the Command Line Interface (CLI) to set up and manage the A2 switches. • Cabling Guide provides information concerning network cabling, dB loss, and other cabling specifications and usage. The manuals listed above can be obtained from the World Wide Web in Adobe Acrobat Portable Document Format (PDF) at the following site: http://www.enterasys.com/support/manuals...
Conventions Used in This Guide Conventions Used in This Guide The following conventions are used in this guide: Note: Calls the reader’s attention to any item of information that may be of special importance. Caution: Contains information essential to avoid damage to the equipment. Precaución: Contiene información esencial para prevenir dañar el equipo. Achtung: Verweißt auf wichtige Informationen zum Schutz gegen Beschädigungen.
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Conventions Used in This Guide xviii About This Guide...
This chapter introduces the A2H124‐24P and A2H124‐48P stackable switches. Depending on the firmware version used in the SecureStack A2, some features described in this document may not be supported. Refer to the Release Notes shipped with the switch to determine which features are supported. For information about...
Overview Overview The A2H124‐24P and A2H124‐48P are stackable Fast Ethernet switches, which can be adapted and scaled to help meet your network needs. These switches provide a management platform and uplink to a network backbone for a stacked group of up to eight A2 switches. The two built‐in Small Form Pluggable (SFP) interface slots provide you with the option of installing Mini‐GBICs for 1000BASE‐SX/LX/ELX fiber‐optic connections and 1000BASE‐T copper connections. The switches also support the use of a redundant DC power supply to help prevent downtime due to an internal power supply failure in the switch or AC power source. You can install the SecureStack A2 on a flat surface or into a standard 19‐inch rack with user‐supplied mounting hardware, and configure the SecureStack A2 functions using the WebView™ application, CLI switching commands, and/or SNMP. A2H124-24P and A2H124-48P The A2H124‐24P (Figure 1‐1) and A2H124‐48P (Figure panel port connections, which include: • RJ45 ports (10/100 Mbps, 100BASE‐T copper ports), 24 on the A2H124‐24P and 48 on the A2H124‐48P. • SFP slots labeled port 27 and 28 on the A2H124‐24P and 51 and 52 on the A2H124‐48P that provide you with the option of installing Small Form Pluggable (SFP) Mini‐GBICs for 1000BASE‐SX/LX/ELX fiber‐optic connections and 1000BASE‐T copper connections. • 1000BASE‐T RJ45 stack connectors which can be used in a stack configuration as well as standard switch ports when configured as a stand alone switch. • Rear panel Redundant Power Supply connector used to connect to a SecureStack C2RPS‐POE power supply system using the appropriate cable (C2RPS‐POE cable). Caution: The A2H124-24P and A2H124-48P are PoE-compliant devices. Do not connect a SecureStack C2 Redundant Power System (C2RPS-SYS) to the power connector.
Note: The 1000BASE-T built-in RJ45 stacking ports 25 and 26 on the A2H124-24P and ports 49 and 50 on the A2H124-48P can be configured as standard 10/100/1000BASE-T switch ports, using the command “set switch stackport <ethernet / stack >” when the unit is used in standalone mode.
PoE (Power over Ethernet) Support Stack Connections The switches have front‐panel RJ45 connectors for connections in a stack configuration. The stacking cables used for the connections are standard Category 5 or better UTP cable. Redundant Power Supply Capability The SecureStack A2 has power supply redundancy capability when connected to an optional external redundant power supply (RPS). If the internal power supply fails, the RPS assumes the entire load of the SecureStack A2 without interrupting network traffic. The internal power supply and RPS each have their own AC power connection, which enables the connection of each power supply to a different AC power circuit for additional AC power source redundancy. PoE (Power over Ethernet) Support The switch is 802.3af compliant, which means it can provide power over Ethernet cable connections from its RJ45 front panel connectors to PDs (powered devices) in the network. Power over Ethernet (PoE) refers to the ability to provide 48 Vdc power to a powered device using the same Ethernet cabling that provides data. Modern Ethernet implementations employ differential signals over twisted pair cables. This requires a minimum of two twisted pairs for a single physical link. Both ends of the cable are isolated with transformers blocking any DC or common mode voltage on the signal pair. PoE exploits this fact by using two twisted pairs as the two conductors to supply a direct current. One pair carries the power supply current and the other pair provides a path for the return current. While several proprietary legacy implementations of PoE have been deployed by LAN equipment vendors, in 2003 the IEEE published the IEEE 802.3af‐2003 specification, which is part of the 802.3 suite of standards. The switch is fully compliant with the IEEE 802.3af standard. It supports the standard resistor‐based detection method, as well as AC disconnect capability. The switch can provide up to 360 watts of PoE power and is capable of supplying a maximum of 15.4 watts to any 10/100 port. In addition it is capable of providing 7.5 watts of power to all ...
Table 1-1 Power Device Classifications Class None Connectivity The SecureStack A2 connects to Ethernet networks or workstations via the fixed front panel RJ45 connectors and two uplink ports that support optional Mini‐GBICs. At the time of this printing, the Mini‐GBICs that are available from Enterasys and supported by A2 switches are described in Table the IEEE 802.3z‐1998 standard. Table 1-2 Description of Mini-GBICs Mini-GBIC MGBIC-LC01 MGBIC-LC03 MGBIC-LC09 MGBIC-MT01 MGBIC-08 MGBIC-02 Usage Default Optional Optional Optional Not Allowed Specification Provides one 1000BASE-SX compliant LC fiber-optic multimode port and a standard LC connector.
Management Management Management of the module can be either in‐band or out‐of‐band. In‐band remote management is possible using Telnet, Enterasys Networks’ NetSight application, or the WebView application. Out‐of‐band management is provided through the DB9 Console port connector on the front panel using a VT100 terminal or a VT100 terminal emulator. Switch Configuration Using WebView Enterasys Networks’ HTTP‐based Web management application (WebView) is an intuitive web tool for simple management tasks. Switch Configuration Using CLI Commands The CLI commands enable you to perform more complete SecureStack A2 configuration management tasks. For CLI command set information and how to configure the module, refer to the SecureStack A2 Configuration Guide. Standards Compatibility The 100BASE‐T ports are compliant with the following standards and operations: • IEEE 802.3 • IEEE 802.3u • IEEE 802.3ab (Stack Ports) • IEEE 802.3ad • IEEE 802.3af • Full‐Duplex operation In addition to the above standards, the SFP ports are compliant with the following ...
• Any previous Return Material Authorization (RMA) numbers. www.enterasys.com/services/support/ 1-800-872-8440 (toll-free in U.S. and Canada) or 1-978-684-1000 For the Enterasys Networks Support toll-free number in your country: www.enterasys.com/services/support/contact/ support@enterasys.com To expedite your message, type [Switching] in the subject line. LANVIEW Diagnostic LEDs SecureStack A2 PoE Installation Guide...
Failure to do so will produce poor network performance. Note: The SecureStack A2 Configuration Guide and the Cabling Guide referred to in the following sections can be found on the Enterasys Networks World Wide Web site: http://www.enterasys.com/support/manuals For details about obtaining the manuals, refer to 10BASE-T Network When connecting a 10BASE‐TX segment to one of the RJ45 fixed ports (1 through 24 on ...
SecureStack A2 to automatically sense the transmission speed of the other device and adjust for the speed accordingly. 1000BASE-FX Network The Mini‐GBIC port sockets (27 and 28 on A2H124‐24P; 51 and 52 on A2H124‐48P) enable you to vary the type of 1‐Gbps port connection. At the printing of this document there were six supported Mini‐GBICs available, as follows: • MGBIC‐LC01 for a 1000BASE‐SX compliant LC fiber‐optic multimode connection • MGBIC‐LC03 for a 1000BASE‐SX Long Haul LC fiber‐optic multimode connection • MGBIC‐LC09 for a 1000BASE‐LX compliant LC fiber‐optic single‐mode connection • MGBIC‐MT01 for a 1000BASE‐SX compliant MT‐RJ fiber‐optic single‐mode connection • MGBIC‐08 for a 1000BASE‐ELX compliant LC fiber‐optic single‐mode connection • MCBIC‐02 for a 1000BASE‐T compliant RJ45 copper connection The device at the other end of the fiber connection must meet the same Gigabit Ethernet requirements for the connected devices to operate at 1‐Gigabit speed. 1000BASE-T Network The RJ45 fixed front panel stacking port connectors support RJ45 copper 1000BASE‐T compliant connections. When connecting a 1000BASE‐T segment to one of the RJ45 fixed ports use Category 5 UTP cabling. In standalone mode, the stack ports may be user configured to serve as a standard switch port, allowing Gigabit uplink to the network. The device at the other end of the twisted pair segment must meet IEEE 802.3‐2002 1000BASE‐T Gigabit Ethernet network requirements for the devices to operate at 1000 Mbps. 2-2 Network Requirements...
Riesgo Electrico: Solamente personal calificado debe realizar procedimientos de instalacion. Elektrischer Gefahrenhinweis: Installationen sollten nur durch ausgebildetes und qualifiziertes Personal vorgenommen werden. Read the Release Notes shipped with the switch to check for any exceptions to the supported features and operation documented in this guide. This chapter provides instructions to install the A2H124‐24P and A2H124‐48P. Unless otherwise noted, the instructions apply to all switches. Follow the order of the sections ...
Rubber feet with adhesive backing for installation on a flat surface AC power cord (The type of power cord is country dependent.) This installation guide Customer Release Notes URL notice card Remove the tape seal on the non‐conductive bag to remove the switch. Perform a visual inspection of the switch for any signs of physical damage. Contact Enterasys Networks if there are any signs of damage. Refer to “Getting Help” on page 1‐7 for details. 3-2 Hardware Installation 3‐1. Quantity...
Installing the Switch on a Flat Surface When installing the switch on a flat surface, the installation of the rubber feet is recommended to prevent the switch from sliding on a flat surface. Installing the rubber feet is optional if you are installing the switch in a rack. To install the rubber feet, proceed to “Installing the Rubber Feet” instructions below. For instructions to rack mount the switch, proceed to “Rack Mounting the Switch” on page 3‐6. Installing the Rubber Feet To install the rubber feet, refer to Figure Place the switch on its back on a sturdy flat surface to gain access to the bottom of the chassis. Remove the four rubber feet from their plastic bag in the shipping box. Locate the four marked locations on the bottom four corners of the chassis. Remove the protective strip from the back of one rubber foot and position it on a marked location and press firmly into place. Repeat this procedure to install the remaining three rubber feet in the other three locations. After installing the rubber feet, return the switch to its upright position. Proceed to “Guidelines for Flat Surface Installation” on page 3‐5. For a rackmount installation, proceed to “Rack Mounting the Switch” on page 3‐6. Installing the Switch on a Flat Surface 3‐1 and proceed as follows: SecureStack A2 PoE Installation Guide...
2 Locations to install the rubber feet (four locations) Note: If a number of switches are being installed in a stack, repeat steps 1 through 4 to install the rubber feet on each switch before continuing with the installation. 3-4 Hardware Installation Chassis Bottom, Rubber Feet Placement Á...
Caution: To ensure proper ventilation and prevent overheating, leave a minimum clearance space of 5.1 cm (2.0 in.) at the left, right, and rear of the switch. Do not connect the switch to the AC power source until instructed to do so later in the installation process.
Note: To ensure proper ventilation and prevent overheating, leave a minimum clearance space of 5.1 cm (2.0 in.) at the left, right, and rear of the switch. Warning: Before rack-mounting the switch, ensure that the rack can support it without compromising stability.
Figure 3‐5 shows an example of a four‐high stack connected in a closed loop configuration. All STACK DOWN and STACK UP connectors are used in the installation. The stacking cable connections are from the STACK DOWN connector of one switch to the STACK UP connector of the next switch up in the stack. A stacking cable connection from the STACK DOWN connector of the switch at the top of the stack to the STACK UP connector at the bottom of the stack closes the loop. In a daisy chain topology, one cable connection is not made. Fastening the Switch to the Rack 2 Mounting screws (supplied by user) Connecting Stacking Cables 3‐4. Then fasten the switch securely Á À 3‐7. Otherwise, proceed to “Connecting AC SecureStack A2 PoE Installation Guide...
Connecting Stacking Cables Figure 3-5 Category 5 or better UTP cable STACK UP connector STACK DOWN connector After connecting the cables to the stacking ports, proceed to “Configuring Switches in a Stack” on page 3‐9 for instructions. 3-8 Hardware Installation Stacking Cable Connections à   Á  Á Á STACK UP connector at top of stack STACK DOWN connector at bottom of stack À...
Configuring Switches in a Stack The information in the following sections is important to understand A2 switch operation and installations in a stack installation. About SecureStack A2 Switch Operation in a Stack The SecureStack A2 products are stackable switches that can be adapted and scaled to help meet your network needs. These switches provide a management platform and uplink to a network backbone for a stacked group of up to eight A2 switches. Once installed in a stack, the switches behave and perform as a single switch. As such, you can start with a single switch and add more switches as your network expands. You can also mix different products in the same family in a single stack to provide a desired combination of port types and functions to match the requirements of individual applications. In all cases, a stack of switches performs as one large product, and is managed as a single network entity. When switches are installed and connected as described back in “Connecting Stacking Cables” on page 3‐7, the following occurs during initialization: • The switch that will manage the stack is automatically established and is referred to as the Manager switch. • All other switches are established as Member switches in the stack. • The hierarchy of the switches that will assume the function of backup manager is also determined in case the current manager malfunctions, is powered down, or is disconnected from the stack. • The Console port on the manager switch remains active for out‐of‐band (local) switch management, but the Console port on each member switch is deactivated. This enables you to set the IP address and system password using a single Console port. ...
The following procedures assume that all switches have a clean configuration from manufacturing. When adding a new switch to an already running stack, it is also assumed that the new switch is using the same firmware image version as other switches in the stack.
• Use clear config to clear config parameters without clearing stack switch IDs. This command WILL NOT clear stack parameters and avoids the process of re-numbering the stack. • Use clear config all when it is necessary to clear all config parameters, including stack switch IDs and switch priority values.
Note: If the CPU LED illuminates solid red, there was a critical failure. For more information about the LED indications and troubleshooting, refer to additional help, contact Enterasys Networks. Refer to details If the switch is a standalone switch, it will take approximately 30 seconds for the switch to start up. If the switch is a stack Manager, it can take up to 3 minutes or more to start up, depending on the number of Member switches in the stack. C2RPS-PoE Redundant Power System If you are installing an optional redundant power system (C2RPS‐POE), refer to the ...
Note: When switches are connected in a stack configuration and all stacking cables are connected before powering up the switches, one switch in the stack will be automatically designated as the Manager of the stack and its Console port will remain active. All other switches will become Member switches and their Console ports will be deactivated.
What Is Needed The following is a list of user‐supplied DTE interface cables that may be needed to connect the DB9 male Console port connector on the switch. The cables are terminated by a DB9 female connector at one end, and by one of three type connectors at the other end, depending on the type connection needed for the remote device. The cables that may be needed are as follows: • DB9 female‐to‐DB9 female • DB9 female‐to‐DB25 female • DB9 female‐to‐DB25 male Using a DTE modem DB9 female‐to‐DB9 female cable, you can connect products equipped with a DB9 DTE male console port to an IBM or compatible PC running a VT series emulation software package. Using a DTE modem DB9 female‐to‐DB25 female cable, you can connect products equipped with a DB9 DTE male console port to a VT series terminal or VT type terminals running emulation programs for the VT series. Using a DTE modem DB9 female‐to‐DB25 male cable, you can connect products equipped with a DB9 DTE male console port to a Hayes compatible modem that supports 9600 baud. The cable used must connect the Console port Received Data, Pin 2 to the Transmitted Data pin at the other end of the cable. The connection from the Console port Transmitted Data, Pin 3 must be connected to the Received Data pin cable connection at the other end of the cable. The DB9 Console port pin assignments are shown in Figure Figure 3-8 DB9 Male Console Port Pinout Assignments Connecting to Console Port for Local Management...
Connecting to Console Port for Local Management Connecting to an IBM or Compatible Device To connect an IBM PC or compatible device, running the VT terminal emulation, to an Enterasys switch Console port (Figure Connect the DB9 female connector at one end of the cable (not supplied) to the Console port on the Enterasys switch. (If there is a switch designated as the Manager, connect to its Console port.) Plug the DB9 female connector at the other end of cable into the communications port on the PC. Turn on the PC and configure your VT emulation package with the following parameters: Parameter Mode Transmit Bits Parity Stop Bit When these parameters are set, the Startup screen will display. Proceed to “Connecting to the Network” on page 3‐19. Figure 3-9 1 DB9 female connector 2 Serial interface cable...
Connecting to a VT Series Terminal To connect a VT Series terminal to an Enterasys switch Console port (Figure UTP serial interface cable terminated with a DB9 female connector and a DB25 female connector and proceed as follows: Connect the DB9 female connector at one end of cable to the Console port DB9 male connector on the Enterasys switch. (If there is a switch designated as the Manager, connect to its Console port.) Plug the DB25 female connector at the other end of the cable into the port labeled COMM on the VT terminal. Turn on the terminal and access the Setup Directory. Set the following parameters on your terminal: Parameter Mode Transmit Bits Parity Stop Bit When these parameters are set, the Startup screen will display. Proceed to “Connecting to the Network” on page 3‐19. Figure 3-10 Connecting a VT Series Terminal 1 DB9 female connector 2 Serial interface cable...
Connecting to Console Port for Local Management Connecting to a Modem To connect a modem to an Enterasys UTP cable terminated with a DB9 female connector and a DB25 male connector, and proceed as follows: Connect the DB9 female connector at one end of the cable to the Console port DB9 connector on the Enterasys switch. (If there is a switch designated as the Manager, connect to its Console port.) Plug the DB25 male connector at the other end of the cable into the modem communications port. Turn on the modem and make sure the remote modem is ON. With your PC connected to the remote modem, configure your VT emulation package with the following parameters: Parameter Mode Transmit Bits Parity Stop Bit When these parameters are set, the Startup screen will display. If the switches are in a stacked configuration, proceed to “Connecting to the Network” on page 3‐19. Figure 3-11 1 DB9 female cable connector 4 DB25 male connector...
Connecting to the Network The following procedures cover the cable connections from the network or other devices to the switch RJ45 ports or any installed optional Mini‐GBIC. • Connecting UTP Cables on page 3‐19 • Connecting Fiber‐Optic Cables to MT‐RJ Ports on page 3‐27 • Connecting Fiber‐Optic Cables to LC Ports on page 3‐30 Connecting UTP Cables The fixed RJ45 front panel ports are 10/100 Mbps ports and have auto polarity detect. When connecting a workstation to these ports, use a straight‐through cable. When connecting networking devices to these ports, such as a bridge, repeater, or router, it is not necessary to use a crossover cable. Note: All fixed RJ45 front panel ports support Category 5 Unshielded Twisted Pair (UTP) cabling with an impedance between 85 and 111 ohms. Category 3 cable may be used if the connection is going to be used only for 10 Mbps.
Verify that the RJ45 connectors on the twisted pair segment have the proper pinouts and check the cable for continuity. Typically, a crossover cable is used between hub devices but this is not necessary. A straight‐through cable can be used to connect between the switch and any device. Refer to Figure Figure 3‐14 for four‐wire RJ45 connections. Refer to Figure 3‐15 and Figure for eight‐wire RJ45 connections. d. Ensure that the twisted pair connection meets the dB loss and cable specifications outlined in the Cabling Guide. Refer to “Related Documents” on page xvi for information on obtaining this document. If a link is not established, contact Enterasys Networks. Refer to “Getting Help” on page 1‐7 for details. Repeat all steps above until all connections have been made. 3-20 Hardware Installation Connecting a UTP Cable Segment to RJ45 Port  Á À 2 Port 8 3 Port 8 Link/Activity LED Chapter 3‐13 and ...
Installing Optional Mini-GBICs Figure 3-16 Installing Optional Mini-GBICs This section describes how to install Mini‐GBICs in any of the SFP port slots (27 and 28 of A2H124‐24P; 51 and 52 of A2H124‐48P). It is recommended that the options be installed first in a new installation. Warning: Fiber-optic Mini-GBICs use Class 1 lasers. Do not use optical instruments to view the laser output. The use of optical instruments to view laser output increases eye hazard. When viewing the output optical port, power must be removed from the network adapter.
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The Mini-GBIC and the device are sensitive to static discharges. Use an antistatic wrist strap and observe all static precautions during this procedure. Failure to do so could result in damage to the Mini-GBIC or the switch. Always leave the Mini-GBIC in the antistatic bag or an equivalent antistatic container when not installed.
Mini-GBIC. This can damage the Mini-GBIC. The Mini-GBIC and its host switch are sensitive to static discharges. Use an antistatic wrist strap and observe all static precautions during this procedure. Failure to do so could result in damaging the Mini-GBIC or host switch.
To remove a Mini‐GBIC from a Figure 3‐19, and proceed as follows: Attach your antistatic wrist strap (refer to the instructions in your antistatic wrist strap package) before removing the Mini‐GBIC. Remove the cables connected to the Mini‐GBIC. Locate the release tab under the front end of the Mini‐GBIC. For the type of Mini‐GBIC shown in: Figure 3‐17, push down on the metal release tab above the connector as far as it will go to release the Mini‐GBIC from the port slot. Figure 3‐18, push in on the release tab as far as it will go to release the Mini‐GBIC from the port slot. Figure 3‐19, pull out on the release tab to release the Mini‐GBIC from the port slot. Grasp the sides of the Mini‐GBIC and pull it straight out of the port slot. If storing or shipping a Mini‐GBIC, which has a fiber‐optic connector, insert its protective dust cover to protect the ends of the fiber‐optic fibers from dust or contamination. Connecting Fiber-Optic Cables to MT-RJ Ports Warning: Fiber-optic Mini-GBICs use Class 1 lasers. Do not use optical instruments to view the laser output. The use of optical instruments to view laser output increases eye hazard.
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Installing Optional Mini-GBICs The transmit strand from a switch port connects to the receive port of a fiber‐optic Gigabit Ethernet device at the other end of the segment. The receive strand of the applicable MT‐RJ port connects to the transmit port of the fiber‐optic Gigabit Ethernet switch. Enterasys Networks recommends labeling fiber‐optic cables to indicate receive and transmit ends. Many cables are pre‐labeled, providing matching labels or tapes at both ends of each strand of cable. To connect an MT‐RJ cable to a fixed MT‐RJ connector of a Mini‐GBIC, refer to Figure and proceed as follows: Remove the protective covers (not shown) from the front panel MT‐RJ fiber‐optic port (port 27 in this example) and from the connectors on each end of the cable. Note: Leave the protective covers in place when the connectors are not in use to prevent contamination. Caution: Do not touch the ends of the fiber-optic strands, and do not let the ends come in contact with dust, dirt, or other contaminants.
2 MT-RJ cable connector Plug the other end of the cable into the appropriate port on the other device. Some cables may be terminated at the other end with two separate connectors, one for each fiber‐optic strand. In this case, ensure that the transmit fiber‐optic strand is connected to the receive port and the receive fiber‐optic strand to the transmit port. Verify that a link exists by checking that the port Link/Activity LED is on (blinking green or solid green). If the Link/Activity LED is off, perform the following steps until it is on: Verify that the device at the other end of the segment is ON and connected to the segment. b. If there are separate fiber‐optic connections on the other device, check the crossover of the cables. Swap the cable connections if necessary. Check that the fiber‐optic connection meets the dB loss and cable specifications outlined in the Cabling Guide for multimode cabling. To obtain this document, refer to “Related Documents” on page xvi. If a link has not been established, refer to Chapter a problem persists, refer to “Getting Help” on page 1‐7 for details on contacting Enterasys Networks for support. Repeat steps 1 through 4, above, until all connections have been made. Installing Optional Mini-GBICs À 3 Release tab 4 Link/Activity LED 4 for LED troubleshooting details. If SecureStack A2 PoE Installation Guide 3-29...
• a 1000BASE‐LX single‐mode fiber‐optic segment from the network or other devices to an LC port connector of a Mini‐GBIC (MGBIC‐LC09). Each fiber‐optic link consists of two fiber‐optic strands within the cable: • Transmit (TX) • Receive (RX) The transmit strand from a switch port connects to the receive port of a fiber‐optic Gigabit Ethernet device at the other end of the segment. The receive strand of the applicable LC port connects to the transmit port of the fiber‐optic Gigabit Ethernet device. Enterasys recommends labeling fiber‐optic cables to indicate receive and transmit ends. Many cables are pre‐labeled, providing matching labels or tapes at both ends of each strand of cable. To connect an LC cable connector to a fixed LC connector of a Mini‐GBIC, refer to Figure 3‐21 and proceed as follows: Caution: Do not touch the ends of the fiber-optic strands, and do not let the ends come in contact with dust, dirt, or other contaminants. Contamination of cable ends causes problems in data transmissions.
Remove the protective covers (not shown) from the front panel LC fiber‐optic port (port 27 in this example) and from the connectors on each end of the cable. Note: Leave the protective covers in place when the connectors are not in use to prevent contamination. Insert the LC cable connector into the Mini‐GBIC LC connector until it clicks into place. Note: To remove the LC cable connector, press on its release tab and pull it out of Mini-GBIC LC connector. Figure 3-21 Cable Connection to LC Fiber-Optic Connectors Ã...
Completing the Installation Verify that a link exists by checking that the port Link/Activity LED is on (blinking green or solid green). If the Link/Activity LED is off, perform the following steps until it is on: Verify that the device at the other end of the segment is ON and connected to the segment. b. If there are separate fiber‐optic connections on the other device, check the crossover of the cables. Swap the cable connections if necessary. Check that the fiber‐optic connection meets the dB loss and cable specifications outlined in the Cabling Guide for multimode mode cabling. To obtain this document, refer to “Related Documents” on page xvi. If a link has not been established, refer to Chapter details. If a problem persists, refer to refer to “Getting Help” on page 1‐7 for details on contacting Enterasys Networks for support. Repeat steps 1 through 4, above, until all connections have been made. Completing the Installation After installing the switch and making the connections to the network, access the switch management, as described below. Initial Logon to Switch Management To initially access switch management from your local PC, terminal, or modem connection, proceed as follows at the displayed startup screen: Enter rw (Read‐Write) or admin (superuser) for Username. At the Password prompt, press Enter (RETURN). For details on how to configure the switch using the command line interface, refer to the SecureStack A2 Configuration Guide. The CLI commands enable you to set a new password and perform more involved management configurations on the switch. One of many capabilities is to reconfigure the stack, reassigning the Manager function to another switch and configuring the order of Member switches that will take over ...
This chapter provides information concerning the following: For information about... Using LANVIEW Troubleshooting Checklist Using the Reset Password Switch This device contains a battery that is not considered a user replaceable part. If the battery needs to be replaced, contact customer service for repair. Caution: There is a risk of explosion if the battery is replaced with an incorrect type. A used battery may be safely disposed in a municipal waste stream.
Using LANVIEW Using LANVIEW These switches support the Enterasys Networks built‐in LANVIEW LED visual diagnostic and status monitoring system. The LANVIEW LEDs on both the A2H124‐24P and A2H124‐48P are located in similar locations as shown on A2H124‐24P in Figure The LANVIEW LEDs on the A2H124‐48P are shown in Figure to quickly observe network status for diagnosing switch and network problems. Figure 4-1 Figure 4-2 Recessed Password Reset switch Redundant Power Supply Active Unit selected as Stack Manager CPU and Power Indicator 4-2 Troubleshooting LANVIEW LEDs of A2H124-24P Ä Ã Â...
3. If the SecureStack A2 still does not power up, the system may have a fatal error. Contact Enterasys Networks for technical support. If the LED remains red for several minutes, the system may have a fatal error.
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1. Make sure the switch connected to the stackup connector is powered on. 2. Replace cable with a known good one. 3. If the problem still exists, contact Enterasys Networks for technical support. None. 1. Make sure the switch connected to the stackdown connector is powered on.
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AC power source. 2. Replace the power cord with a known good one. 3. If the problem persists, contact Enterasys Networks for technical support. None. Power on remote device. Use CLI to enable port.
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Recommended Action 1. Check the attached powered device to see if it is defective. 2. Internal power supply failed, contact Enterasys Networks for technical support. 1. Check the attached powered device to see if it is defective. 2. Internal power supply failed, contact Enterasys Networks for technical support.
Replace the power cord with a known good one. Connect to the console port and type “show switch”. If a code mismatch is the cause, the output of the above command will show “code version mismatch”. Disconnect the switch from the stack and load the necessary code to match the stack master.
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Refer to the SecureStack A2 Configuration Guide for the IP address assignment procedure. This is normal if the switch is a Member in a stack. If operating as a standalone switch or as the Manager in a stack, enable the port.
Using the Reset Password Switch If you forget the SecureStack A2 login password, use the Reset password switch as described in the following procedure. Figure 4-3 1 Reset password switch To reset the SecureStack A2 password, refer to Figure Note: Notify the system manager before changing the password. Press‐and‐hold the Reset Password switch while the switch is operational. This change of the login password to the default password will be indicated via Local Management CLI only. This information will not show up in a Telnet session. Logon to switch management. You can now logon to the switch via the Console port and assign a new password using the command line interface (CLI). To access switch management from your local PC, terminal, or modem connection, refer to the SecureStack A2 Configuration Guide for instructions on how to log in and enter a new password. The guide is available online under the S category for Securestack at: http://www.enterasys.com/support/manuals If you require assistance, contact Enterasys Networks using one of the methods described in “Getting Help” on page 1‐7. Reset Password Switch Using the Reset Password Switch À...
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Using the Reset Password Switch 4-10 Troubleshooting...
This appendix provides information about the following: For information about... Switch Specifications Mini-GBIC Input/Output Specifications Gigabit Ethernet Specifications MGBIC-02 Specifications (1000BASE-T) Regulatory Compliance Enterasys Networks reserves the right to change the specifications at any time without notice. Switch Specifications Table A‐1 provides the I/O ports, processors and memory, physical, and environmental specifications for the A2H124‐24P. Table A‐2 provides the I/O ports, processors and memory, physical, and environmental specifications for the A2H124‐48P. Table A-1 A2H124-24P Switch Specifications Item RJ45 ports 1 through 24 RJ45 ports 25 and 26...
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Switch Specifications Table A-1 A2H124-24P Switch Specifications (continued) Item AC Input Specifications Input Voltage Input Currrent Frequency Processors/Memory Processor Dynamic Random Access Memory (DRAM) FLASH Memory Physical Dimensions Approximate Weight Predicted hours for Mean Time Between Failures (MTBF) Heat Dissipation (maximum)
Mini-GBIC Input/Output Specifications Mini-GBIC Input/Output Specifications The Mini‐Gigabit Ethernet Card (Mini‐GBIC) port interface slots can support 1‐Gbps fiber‐optic connections as described in Table swappable. Table A-3 Mini-GBIC Input/Output Port Specifications Item MGBIC-LC01 MGBIC-LC03 MGBIC-LC09 MGBIC-MT01 MGBIC-08 MGBIC-02 Gigabit Ethernet Specifications The following specifications for the Mini‐GBICs shown in Table A‐4 through Table meet or exceed the IEEE 802.3z‐1998 standard. MGBIC-LC01/MGBIC-MT01 Specifications (1000BASE-SX) Table A-4 MGBIC-LC01/MGBIC-MT01 Optical Specifications Item Transmit Power (minimum) Receive Sensitivity Link Power Budget A-4 Specifications...
MGBIC-02 Specifications (1000BASE-T) Table A-12 MGBIC-02 Specifications Item Supported Cable: Type Maximum Length Connector Data Rate TX Output impedance RX Input impedance Console Port Pinout Assignments The Console port is a DB9 serial communications port for local access to Local Management. Refer to Figure Figure A-1 Pin 2, Received Data (input) Pin 3, Transmitted Data (output) Specification Copper, Category 5 UTP Up to 100 meters...
Regulatory Compliance Regulatory Compliance The A2H124‐24P and A2H124‐48P meet the safety and electromagnetic compatibility (EMC) requirements listed in Table Table A-13 Compliance Standards Regulatory Compliance Safety Electromagnetic Compatibility (EMI) (Class A) A-8 Specifications A‐13: Standards UL 60950, CSA C22.2 No. 60950, 73/23/EEC, EN 60950, IEC 60950, EN 60825, 21 CFR 1040.10 47 CFR Parts 2 and 15, CSA C108.8, 89/336/EEC, EN 55022, EN 61000-3-2, EN 61000-3-3, EN 55024, AS/NZS CISPR 22, VCCI V-3...
Installation connecting to the network 3-19 high-speed stacking cables in a rack new stack 3-10 new switch in existing stack 3-11 optional Mini-GBIC 3-22 Installation site what is needed at the LANVIEW Diagnostic LEDs introduction to LANVIEW LEDs...
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Stack Member 3-21 automatic selection of Stack Operation 3-22 member switch selection Stack System installation of a new switch in existing stack installation of new Standalone Switches specifications for Standards compatibility Switch overview of Switch carton contents of...
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