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Section 3: Installing Extensions and Trunks
INSTALLING 25-PAIR CABLES
Routing Cables
It is recommended to install extension blocks to the left of the cabinet. The trunk blocks can then be installed
to the right of the cabinet. Run the 25-pair cable from the extension block and from the trunk block through
the cable pass-throughs on either side of the cabinet.
Installing Extension Cross-Connect Blocks
It is also recommended to install cross-connect blocks for each of the system's major extension port device
groups. Cross-connect blocks provide an easy way to troubleshoot, determine port identification numeri-
cally, and determine port utilization.
Install cross-connect blocks for the following interfaces:
●
All digital extension circuits
●
CPU functions (i.e.; BGM, MOH, General Purpose Control Relay)
●
External page
●
External alarms
●
Data devices
Installing Trunk Cross-Connect Blocks
It is also recommended to install cross-connect blocks for each of the system's major trunk device groups.
Cross-connect blocks provide an easy way to troubleshoot, determine port identification numerically, and
determine trunk port utilization.
Install cross-connect from telco's RJ21X to the trunk cross-connect blocks for the following:
●
analog loop start lines
●
DID trunks
3-2 ◆ Section 3: Installing Extensions and Trunks
Aspire S Hardware Manual
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Table of Contents
Troubleshooting
