DEFINITY Enterprise Communications Server Release 6
Installation and Test for Multi-Carrier Cabinets
555-230-112 Issue 5
May 1998
Install and Connect Cabinets
Page 1-30Fiber Optic Interconnect Cabling
1
Connect Fiber Optic Cables
NOTE:
Always use the Cable Running List that accomp anies the system when
installing fiber optic cables. The following procedure is a

typica l

example of
how to cable a system.
If the cabinets are c lose together, the sig nal may go throug h a single, direc tly-
connected fib er optic cab le. If the cabinets are far apart, it may b e easier to
connect the cab inets through an LIU or fiber shelf.
For each fiber indicated in the fib er optic Cable Running List:
1. Install a lightwave transceiver on the cabinet c onnector at the p osition in
the FROM column in the running list.
2. Select a c able indicated by the CABLE CODE and LENGTH in the running
list. Connect 1 of the fibers to each conne ctor on the lightwave
transceivers just installed. The fiber is num bered 1 or 2. The connec tor on
the transceiver is labeled TX or RX. Keep track of which fiber connec ts to
which transceiver c onnector. Labe l both ends of these cables.
3. Route the fiber op tic cab les from the transceiver out of the cab inet. Secure
the cables to the cab le-tie rack. Keep the fiber op tic cab les c lear of the
heavier I/O cables.
4. If th e cabinet in the TO c olumn in the running list is located remotely from
the FROM cabinet, connect to the TO cab inet b y way of the LIU.
5. Install a lightwave transceiver on the cabinet c onnector at the p osition in
the TO column in the running list.
6. Route the c ables from the FROM cabinet down into the c able trays of each
EPN cabinet. Connect the cab les to the lightwave transceiver just installed
on the TO cabinet.
7. Connec t the fiber that comes from the TX connector of the FROM
transceiver to the RX connector of the TO transceiver and vice versa.
8. Route the c ables through the c abinet and through cab le organizers as
provided. Secure the cables to the cable-tie rack.