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

Connect the optical test set using the 1 x 2 optical splitter. The TX of the test set is

connected to the LGX ports corresponding to the RX of both FN-1 and FN-2 of the

function slots under test. The LGX port corresponding to the TX of the port under test of

FN-1 (active slot) is connected to the RX of the test set. (Some test sets require an

attenuation of at least 10dB on the RX side). Reference

arrangement" (p.

Figure 6-1 Optical test set arrangement

Set the test set to the required rate for the packs under test. See

rate.

Table 6-4 Transmission rate

Test signal

mapping

Pattern

Once the test set is in place, it will display pattern and AIS alarms. This is due to the fact

that we have not established a cross-connection. Enter a cross-connection either through

6 - 5 4

6-54).

Optical

Test

Set

OC3

OC12

OC48

OC-3 (LNW37,

OC-12

LNW45,LNW55)

(LNW49,LNW55)

STS-3C

STS-3C/12C

2^23 -1 PRBS

Figure 6-1, "Optical test set

Standby

1x2

(FN-2)

splitter

Active

(FN-1)

OC-48 (LNW31,LNW55,

LNW62, LNW402)

STS-3C/12C/48C

2^23 -1 PRBS

Additional optical tests (optional)

Table 6-4, Transmission

Alcatel-Lucent 1665 DMX R9.0

365-372-304R9.0 Issue 2

July 2010

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Optical Test Set Arrangement - Alcatel-Lucent 1665 Installation Manual

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