............................................................................................................................................................................................................................................................

At both ends of the optical span, remove protective covers from receive and transmit

optical jumper cables and clean LC connectors.

Note:

cable. Single-mode optical fibers connecting this shelf with the far-end shelf should

not be connected to the OLIU until at least 45 seconds after an optical loopback is

removed. It may take from 15 seconds to 3.5 minutes for the FAULT LEDs to stop

flashing after the cables are connected, depending on the setting of the

OC-3/OC-12/OC-48/OC-192 signal degrade threshold.

At both ends of the optical span, ensure that only the dual LC adapter is installed on the

OLIU (no LBO).

Note:

configurations, optical fibers extend in two different directions to make up the ring. At

each shelf (node) in the ring, the M1 OLIU will connect to the M2 OLIU in one

adjacent node, and the M2 OLIU will connect to the M1 OLIU in the other adjacent

node. Likewise, when the Alcatel-Lucent 1850 TSS-60 is interfacing with other

equipment at low-speeds (OC-3, OC-12 or OC-48) using 0x1 protection, the Function

Group slot (D, or G) 1 will connect to Main 2 on whatever shelf the Alcatel-Lucent

1850 TSS-60 is being connected to. The Function Group slot (D, or G) 2 will connect

to Main 1.

At each end of the optical span, connect the optical fiber transmit cables to the OLIU OUT

connectors.

At each end of the optical span, measure the optical power of the optical fiber receive

cables using an optical power meter.

7 - 6

CAUTION

Equipment damage

The LNW38, LNW40, LNW51, LNW140, LNW380 and LNW601 OLIU circuit

packs are equipped with optics that do not meet GR-78 R9-3 requirements on

ESD susceptibility. Always use proper ESD procedures when handling these

OLIU circuit packs to avoid equipment damage.

The Alcatel-Lucent 1850 TSS-60 OLIUs require single-mode lightguide

For Alcatel-Lucent 1850 TSS-60 OC-3/OC-12/OC-48/OC-192 ring

Fiber installation

365-372-603R2.0

Issue 1 January 2009

Table of Contents

Alcatel-Lucent 1850 TSS-60 Installation And System Turn-Up Manual page 270

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