Cisco Cisco Prisma II ICIM 2 Installation Guide

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Chapter 1    Module Introduction 
 
 
 
12 
OL-32414-01 
Back Panel Connectors 
Blind-mate connectors make it easy to install this module. The push-on connector on 
the back of the module mates with the back plane bus connector inside the chassis. 
This 55-pin connector and the two RF connectors provide the following facilities. 
 
RF signal connections 
 
Electrical power input connection 
 
Alarm communications connections 
 
Status-monitoring communications 
 
Communications and control connections 
The ESD guide pin near the bottom of the back panel serves as both a guide pin and 
an ESD ground connection. The length of the pin ensures that ground is the first 
electrical connection made as the module is inserted, and the last connection to be 
broken as the module is removed. 
 
About the OPM 
The EDR system makes use of OPM devices at both ends of the reverse path from 
node to headend or hub. The following illustration identifies the main components 
of the OPM. 
 
 
Item 
Description 
Dust plug 
Bale clasp (shown open; push upward to close) 
Transmit bore (not in use for the receiver) 
Receive bore (not in use for the transmitter)