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Copyright © 1993, Cisco Systems, Inc.1
All rights reserved.
Doc. No. 78-1127-01 Rev. A0
Jackscrew Installation Instructions
(for EIP Ports)
For Cisco Part Number 51-0385-01
Customer Order Number: DOC-781127=
This document provides instructions for replacing the slide-type Ethernet connector
locks with jackscrew type connector locks. Typically, Ethernet ports and cable
connectors have either slide-type or screw-type locks, both of which provide strain
relief and secure the cable to the router port. The slide-type lock is most common, and
it is standard on EIP ports.
If your Ethernet cables use thumbscrews rather than posts, you must replace the
slide-type lock with jackscrews before you can connect the cables to the ports.
You can complete this replacement while the EIP is installed and operating in the
chassis; however, we recommend that you shut down an enabled interfaces before you
work on the port.
The sections in this document include the following:
■ “Obtaining Technical Assistance,” page 2
If you encounter installation problems that you cannot resolve, this section
provides instructions for obtaining technical assistance and lists the information
you will need to provide to the customer service or TAC representative when you
call
■ “Product Overview,” page 2
A brief illustrated description of the EIP and the two types of cable locks
■ “Prerequisites,” page 4
Safety guidelines to prevent damage to the equipment from electrostatic discharge
(ESD) and the tools and parts you will need for this replacement
■ “Installation,” page 6
Procedures for shutting down interfaces that are already enabled, for replacing the
slide-type lock bracket with jackscrews, and for verifying that you are able to bring
the interfaces back up and resume operation