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Cisco ONS 15454 SDH E1-75 Installing

Impedance conversion panel.
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Installing the Cisco ONS 15454 SDH E1-75/120
Impedance Conversion Panel
Product Name: 15454E-E1-75BB=
This document contains a description of E1-75/120 conversion panel ("E1-75 Black Box") features,
installation procedures, and technical specifications. Use this document in conjunction with the Cisco
ONS 15454 SDH Reference Manual and the Cisco ONS 15454 SDH Procedure Guide when working with
E1-75/120 conversion panels.
This document contains the following sections:
E1-75/120 Impedance Conversion Panel Description, page 2
E1-75/120 Impedance Conversion Panel Specifications, page 3
Install the E1-75/120 Conversion Panel, page 4
Install Ground and Cables, page 5
Related Documentation, page 7
Obtaining Documentation, page 7
Obtaining Technical Assistance, page 8
Obtaining Additional Publications and Information, page 10
This document contains the following procedures:
Install the E1-75/120 Conversion Panel, page 4
Install Cables with Molex 96-Pin LFH Connectors on 120-Ohm Side, page 6
Install Cables with 1.0/2.3 Miniature Coax Connectors on 75-Ohm Side, page 6
Replace Cables with 1.0/2.3 Miniature Coax Connectors on 75-Ohm Side, page 6
For information about circuits and card capacities, see the Cisco ONS 15454 SDH Reference Manual.
Note
Corporate Headquarters:
Cisco Systems, Inc., 170 West Tasman Drive, San Jose, CA 95134-1706 USA
Copyright © 2003 Cisco Systems, Inc. All rights reserved.

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   Summary of Contents for Cisco ONS 15454 SDH E1-75

  • Page 1 This document contains a description of E1-75/120 conversion panel (“E1-75 Black Box”) features, installation procedures, and technical specifications. Use this document in conjunction with the Cisco ONS 15454 SDH Reference Manual and the Cisco ONS 15454 SDH Procedure Guide when working with E1-75/120 conversion panels.
  • Page 2: E1-75/120 Impedance Conversion Panel Description

    E1-75/120 Impedance Conversion Panel Description E1-75/120 Impedance Conversion Panel Description The ONS 15454 SDH E1-75/120 impedance conversion panel provides front mount electrical connection for 42 ITU-compliant, G.703 E-1 ports. It contains 84 1.0/2.3 miniature coaxial connectors (42 for transmit, 42 for receive) to the client side and two 96-pin Molex type connectors to the FMEC 120-ohm side.
  • Page 3: E1-75/120 Impedance Conversion Panel Specifications

    Bit rate: 2.048 Mbps +/− 50 ppm – Line code: HDB-3 – E1-75/120 output • Bit rate: 2.048 Mbps +/− 50 ppm – Line code: HDB-3 – E1-75/120 electrical interface • Installing the Cisco ONS 15454 SDH E1-75/120 Impedance Conversion Panel 78-15140-01...
  • Page 4: Install The E1-75/120 Conversion Panel

    This section explains how to install the E1-75/120 conversion panel. You need an E1-75/120 conversion panel if you want to convert the balanced 120-ohm interfaces of the E1-42 card and the corresponding FMECs to unbalanced 75-ohm interfaces. For more information about the E1-75/120 conversion panel, refer to the Cisco ONS 15454 Reference Note Manual.
  • Page 5: Install Ground And Cables

    Attach the grounding lug to the two grounding bolts. Place the side with the ground cable to the side Step 4 where you want to route the grounding cable. Installing the Cisco ONS 15454 SDH E1-75/120 Impedance Conversion Panel 78-15140-01...
  • Page 6: Install Cables With Molex 96-pin Lfh Connectors On 120-ohm Side

    If you want to replace individual 1.0/2.3 miniature coax connector cables in the existing installation, first Step 1 cut the tiewrap holding the cable that you want to replace. Installing the Cisco ONS 15454 SDH E1-75/120 Impedance Conversion Panel 78-15140-01...
  • Page 7: Related Documentation

    Cisco provides several ways to obtain documentation, technical assistance, and other technical resources. These sections explain how to obtain technical information from Cisco Systems. Cisco.com You can access the most current Cisco documentation on the World Wide Web at this URL: http://www.cisco.com/univercd/home/home.htm You can access the Cisco website at this URL: http://www.cisco.com...
  • Page 8: Obtaining Technical Assistance

    Customers and partners can obtain online documentation, troubleshooting tips, and sample configurations from the Cisco TAC website. Cisco.com registered users have complete access to the technical support resources on the Cisco TAC website, including TAC tools and utilities.
  • Page 9 No workaround is available. Cisco TAC Website You can use the Cisco TAC website to resolve P3 and P4 issues yourself, saving both cost and time. The site provides around-the-clock access to online tools, knowledge bases, and software. To access the Cisco TAC website, go to this URL: http://www.cisco.com/tac...
  • Page 10: Obtaining Additional Publications And Information

    The Cisco TAC Escalation Center addresses priority level 1 or priority level 2 issues. These classifications are assigned when severe network degradation significantly impacts business operations. When you contact the TAC Escalation Center with a P1 or P2 problem, a Cisco TAC engineer automatically opens a case.
  • Page 11 Obtaining Additional Publications and Information CCVP, the Cisco logo, and Welcome to the Human Network 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, Catalyst, CCDA, CCDP, CCIE, CCIP, CCNA, CCNP, CCSP, Cisco, the Cisco...
  • Page 12 Obtaining Additional Publications and Information Installing the Cisco ONS 15454 SDH E1-75/120 Impedance Conversion Panel 78-15140-01...

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