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Cisco VISM Installation and Configuration Guide
Release 3.0, Part Number OL-2521-01 Rev. D0, June 2004
Chapter1 Overview of the VISM and VISM-PR Cards
Installing VISM Hardware and Software
The connector wiring is shown in Figure 1-10.
Figure1-10 RJ-48 PIN Connector

Cabling for SMB Connectors on E1 Ports

When you use the E1 VISM back card with SMB cables, the E1 trunk cables connect the customer
DSX-1 cross-connect point or E1 channel service unit (CSU ) to the n ode u si ng 75- ohm c oaxi al cab le
fitted with SMB connectors.
Removing VISM and VISM-PR Front and Back Cards
This section describes the following hardware installation procedures:
•Removing a VISM or VISM-PR Front Card
•Removing a VISM Back Card

Removing a VISM or VISM-PR Front Card

Step 1 Insert a small, flat-blade screwdriver into the slot in the insertion/extractor lever and press until t he latch
springs open, to approximately 10°.
Step 2 Continue to lift the insertion/extractor lever to disconnect the connector.
Step 3 Gently pull the card out of the chassis.

Removing a VISM Back Card

Step 1 Remove any cables connected to the back card.
Step 2 Use a small, flat-blade screwdriver to unscrew the two retaining screws in the back card’s faceplate.
TTIP
TRNG
RJ-48 Pins
RRNG
RTIP
ground/shie
ld
2
1
5
4
3
6
7
8
IN
IN
TEST-RNGP
TEST-TIP
IN
IN
OUT
OUT
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