Lucent Technologies Release 6 manual Single-Mode Fiber Link with Attenuators

DEFINITY Enterprise Communications Server Release 6	Issue 5
Installation and Test for Multi-Carrier Cabinets 555-230-112	May 1998
A Connecting Fiber Optic Cables
Optical Cross-Connect Hardware	Page A-8

Single-Mode Fiber Link (with Attenuators)

Figure Notes
1.	300A Lightwave Transceiver	5.	TX Connector
2.	2-Foot (0.6 m) Patchcord	6.	RX Connector
3.	In-Line Attenuator	7.	Lightguide Interconnect Unit
4.	Fiber Plant	8.	Fiber Optic Cable

Figure A-2. Typical Single-Mode Connection with Attenuator

1.Connect a 2-foot (0.6 m) patchcord to the TX connector on the local 300A transceiver. See Figure A-2.

2.Connect the patchcord to the required attenuator. The attenuator must be installed in series with the strand of fiber connecting to the TX connector.

3.Repeat for the TX connector at the opposite end of the fiber link (remote EPN). A different value attenuator may be required, depending on the amount of fiber loss back to the local system.

NOTE:

If the fiber link is duplicated, route the fiber via a separate geographical path, if possible. This way, if the standard fiber link is damaged, the duplicated fiber remains in service.