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DEFINITY Enterprise Communications Server Release 6
Installation and Test for Multi-Carrier Cabinets
555-230-112
Issue 5
May 1998
Connecting Fiber Optic Cables
Page A-17Making Changes at an LIU or Shelf
A
Making Changes at an LIU or Shelf
Circuit changes are made by moving the fiber optic patch cords to other
couplings.
To Remove a Fiber Optic Patch Cord
1. At the LIU or shelf, locate the correct patch cord and unplug it from the
coupling.
2. Carefully remove the cable from the LIU and from the trough.
NOTE:
Take care to ensure the patch cord is not bent beyond the minimum
bend radius of 1.5 inches (3.8 cm).
3. Trace the other end of the patch cord to its termination point and unplug it.
4. Remove the label associated with the removed patch cord.
5. Place plastic covers over the connectors to prevent dust or damage.
To Make a New Cross-Connection
1. At the LIU or shelf, locate the connector couplings associated with the
circuit to be added.
2. Select a patch cord of the appropriate length for the cross-connection to
be made. Excess cord length causes congestion in the trough and may
cause the cable to be damaged.
3. Plug 1 end of the cord into the appropriate connector coupling.
4. Route the patch cord through the LIU or shelf and into the vertical and
horizontal troughs.
5. Plug the other end of the patch cord into the appropriate connector
coupling on the fiber optic transceiver on the DEFINITY System.
6. Label the cable for the circuit added.
7. Test the circuit using the test fiber link commands in
DEFINITY Enterprise
Communications Server Release 6 Maintenance for R6r
.