Cisco PA-2JT2 Installation And Configuration Manual
Cisco PA-2JT2 Installation And Configuration Manual

Cisco PA-2JT2 Installation And Configuration Manual

6.3-mhz serial port adapter

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PA-2JT2 6.3-MHz Serial Port Adapter Installation
and Configuration
Product Numbers: PA-2JT2 and PA-2JT2=
This configuration note describes how to install and configure the Japan T2 Line (JT2) 6.3-megahertz
(MHz), 2-port, serial port adapter (PA-2JT2[=]), which is used on the second-generation Versatile
Interface Processor (VIP2) in all Cisco 7500 series and in Cisco 7000 series routers using the 7000
Series Route Switch Processor (RSP7000) and 7000 Series Chassis Interface (RSP7000CI). (For
complete and specific compatibility requirements, refer to the section
Prerequisites" on page 3.)
Use this configuration note in conjunction with the configuration note Second-Generation Versatile Interface Processor (VIP2)
Installation and Configuration
This configuration note is organized into the following sections:
Corporate Headquarters:
Cisco Systems, Inc., 170 West Tasman Drive, San Jose, CA 95134-1706 USA
Copyright © 1997–2002. Cisco Systems, Inc. All rights reserved.
Document Contents
Related Documentation, page 2
JT2 Port Adapter Installation Prerequisites, page 3
What Is the JT2 Port Adapter?, page 7
VIP2 and the JT2 Port Adapter, page 12
Obtaining Documentation, page 24
Obtaining Technical Assistance, page 25
"Software and Hardware

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Summary of Contents for Cisco PA-2JT2

  • Page 1 (MHz), 2-port, serial port adapter (PA-2JT2[=]), which is used on the second-generation Versatile Interface Processor (VIP2) in all Cisco 7500 series and in Cisco 7000 series routers using the 7000 Series Route Switch Processor (RSP7000) and 7000 Series Chassis Interface (RSP7000CI). (For complete and specific compatibility requirements, refer to the section “Software and Hardware...
  • Page 2: Related Documentation

    The documentation listed below is available online, on the Documentation CD-ROM, or as printed documents. Your router, switch, or gateway and the Cisco IOS software running on it contain extensive features and functionality, which are documented in the following resources: •...
  • Page 3: Jt2 Port Adapter Installation Prerequisites

    • Software and Hardware Prerequisites For JT2 port adapters installed on the VIP2-40 in Cisco 7000 series or Cisco 7500 series routers, Cisco IOS Release 11.1(12)CA1, or later, is required. For JT2 port adapters installed on the VIP2-50 in Cisco 7000 series or Cisco 7500 series routers, Cisco IOS Release 11.1(14)CA, or later, is required.
  • Page 4: Safety Guidelines

    You can determine whether your equipment is causing interference by turning it off. If the interference stops, it was probably caused by the Cisco equipment or one of its peripheral devices. If the equipment causes interference to radio or television reception, try to correct the interference by using one or more of the following measures: Turn the television or radio antenna until the interference stops.
  • Page 5: Safety Warnings

    La traduzione delle avvertenze riportate in questa pubblicazione si trova nel documento Regulatory Compliance and Safety Information (Conformità alle norme e informazioni sulla sicurezza) che accompagna questo dispositivo. PA-2JT2 6.3-MHz Serial Port Adapter Installation and Configuration OL-3587-01...
  • Page 6: Electrical Equipment Guidelines

    Never install telephone jacks in wet locations unless the jack is specifically designed for wet • locations. Never touch uninsulated telephone wires or terminals unless the telephone line has been • disconnected at the network interface. PA-2JT2 6.3-MHz Serial Port Adapter Installation and Configuration OL-3587-01...
  • Page 7: What Is The Jt2 Port Adapter

    What Is the JT2 Port Adapter? PA-2JT2 (see ) is a port adapter used on the VIP2 in the Cisco 7500 series routers, and in Cisco 7000 series routers using the RSP7000 and RSP7000CI. The JT2 port adapter is available as a spare part: Product Number PA-2JT2=.
  • Page 8 In the Cisco 7000, Cisco 7507, and Cisco 7513 chassis the VIP2 is installed vertically. In the Cisco 7010 and Cisco 7505 chassis the VIP2 is installed horizontally. There are no interface processor or port adapter slot restrictions for the VIP2 and JT2 port adapter.
  • Page 9 The JT2 port adapter (see ) contains the enabled LED, which is standard on all port adapters; this green LED goes on after system initialization to indicate that the JT2 port adapter has been enabled for operation. PA-2JT2 6.3-MHz Serial Port Adapter Installation and Configuration OL-3587-01...
  • Page 10 (TX) and one for receive (RX) for each interface port. Each BNC connection requires an external B-type or C-type DSU (with external grounding capability), with an optical fiber output, and that uses 75-ohm BNC terminations. (Cisco Systems does not supply 75-ohm coaxial cables; they are available from commercial cable vendors.) Your coaxial cable’s loss must be less than 6 dB when using maximum cable lengths.
  • Page 11 What Is the JT2 Port Adapter? Attach the ferrite sleeve on the end of the coaxial cable nearest the PA-2JT2, as close to the BNC Note connector as possible. (See .) The ferrite sleeve is a required component for proper system operation.
  • Page 12: Table Of Contents

    VIP2-40 with two JT2 port adapters in port adapter slots 0 and 1. Port adapters can be installed in either (or both) port adapter slot 0 or port adapter slot 1. You can install VIP2s in any interface processor slots in your Cisco 7500 series or Cisco 7000 series router. Figure 7...
  • Page 13: Figure 8

    VIP2 and router chassis to conform to electromagnetic interference (EMI) emissions requirements, and so that air flows through the chassis properly. If you plan to install a new port adapter, you must first remove the blank port adapter. PA-2JT2 6.3-MHz Serial Port Adapter Installation and Configuration OL-3587-01...
  • Page 14: Attaching Jt2 Port Adapter Interface Cables

    We recommend that you attach the ferrite sleeves included with PA-2JT2 to all 75-ohm coaxial cables Note you plan to use for your PA-2JT2 connections. Attach each ferrite sleeve as close to the port adapter end of each 75-ohm coaxial cable as possible.
  • Page 15 To prevent system problems and to maintain the proper connection sequences (PA-2JT2’s RX port to the Caution DSU’s TX port and PA-2JT2’s TX port to the DSU’s RX port), connect the RX and TX ports on the JT2 port adapter as indicated in Steps 1 and 2.
  • Page 16: Configuring The Jt2 Interfaces

    Contact your system administrator if necessary to obtain EXEC-level access. Interface Processor Slot, Port Adapter Slot, and JT2 Interface Port Numbering This section describes how to identify interface processor slot, port adapter slot, and interface port numbers. PA-2JT2 6.3-MHz Serial Port Adapter Installation and Configuration OL-3587-01...
  • Page 17 VIP2 and the JT2 Port Adapter Although the processor slots in the seven-slot Cisco 7000 and Cisco 7507 and 13-slot Cisco 7513 are Note vertically oriented and those in the five-slot Cisco 7010 and Cisco 7505 are horizontally oriented, all models use the same method for slot and port numbering.
  • Page 18: Slot 1

    To check the interface configuration using show commands, proceed to the section “Checking the Configuration.” Configuring CRC5 For data transmission at JT2 (6.312 Mbps), the G.704 standard suggests a 5-bit CRC. (Refer to ITU Recommendation G.704 for the definition of CRC5.) PA-2JT2 6.3-MHz Serial Port Adapter Installation and Configuration OL-3587-01...
  • Page 19: Checking The Configuration

    Using show Commands to Display Interface and System Information To display information about a specific interface, use the show interfaces command with the interface type and port address in the format show interfaces [type slot/port-adapter/port]. PA-2JT2 6.3-MHz Serial Port Adapter Installation and Configuration OL-3587-01...
  • Page 20 IOS (tm) GS Software (RSP-JV-M), Version 11.1(12)CA1 [biff 137] Synced to mainline version: 11.1(8) Copyright (c) 1986-1997 by cisco Systems, Inc. Compiled Sat 10-May-97 19:19 by biff Image text-base: 0x600108A0, data-base: 0x609DA000 PA-2JT2 6.3-MHz Serial Port Adapter Installation and Configuration OL-3587-01...
  • Page 21 Router uptime is 16 hours, 2 minutes System restarted by reload System image file is “biff/rsp-jv-mz.g703”, booted via tftp from 1.1.1.254 cisco RSP2 (R4600) processor with 16384K bytes of memory. R4600 processor, Implementation 32, Revision 2.0 Last reset from power-on G.703/E1 software, Version 1.0.
  • Page 22 This section provides brief descriptions of the ping command. After you verify that the system PA-2JT2 6.3-MHz Serial Port Adapter Installation and Configuration OL-3587-01...
  • Page 23 (powered on); then repeat the ping command. For additional descriptions of interface subcommands and the configuration options available for JT2-related interfaces, refer to the publications listed in the section “Related Documentation” on page 2. PA-2JT2 6.3-MHz Serial Port Adapter Installation and Configuration OL-3587-01...
  • Page 24: Obtaining Documentation

    Obtaining Documentation These sections explain how to obtain documentation from Cisco Systems. World Wide Web You can access the most current Cisco documentation on the World Wide Web at this URL: http://www.cisco.com Translated documentation is available at this URL: http://www.cisco.com/public/countries_languages.shtml...
  • Page 25: Obtaining Technical Assistance

    • will occur if service is not restored quickly. No workaround is available. The Cisco TAC resource that you choose is based on the priority of the problem and the conditions of service contracts, when applicable. PA-2JT2 6.3-MHz Serial Port Adapter Installation and Configuration...
  • Page 26 “Related Documentation” section on page CCVP, the Cisco logo, and the Cisco Square Bridge logo are trademarks of Cisco Systems, Inc.; Changing the Way We Work, Live, Play, and Learn is a service mark of Cisco Systems, Inc.; and Access Registrar, Aironet, BPX, Catalyst, CCDA, CCDP, CCIE, CCIP, CCNA, CCNP, CCSP, Cisco, the Cisco...
  • Page 27 Obtaining Technical Assistance PA-2JT2 6.3-MHz Serial Port Adapter Installation and Configuration OL-3587-01...
  • Page 28 Obtaining Technical Assistance PA-2JT2 6.3-MHz Serial Port Adapter Installation and Configuration OL-3587-01...

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