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Connecting adjacent network elements
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16
Determine the LBO value required based on the received optical power measurement.
Refer to the following table and attenuate appropriately.
Table 7-1 Attenuation table
Optics
OC-3 (high
speed)
Low-speed
optics (OC-48)
OC-12 (high
speed)
OC-48 SFP
(small
form-factor
pluggable)
optics
OC-192 VLF
high speed SFP
(small
form-factor
pluggable)
optics
............................................................................................................................................................................................................................................................
365-372-603R2.0
Issue 1 January 2009
Circuit pack
LNW40
LNW140
LNW601
LNW31 (OC-48)
LNW38
LNW51
LNW380
LNW41/55/62 LR-1 Optics
LNW41/55/62 LR-2 Optics
LNW41/55/62 SR-1 Optics
LNW141, LR-2 Optics
LNW141, IR-2 Optics
LNW141, SR-1 Optics
Received power
LBO
(dBM)
(dB)
-8.0 to -28.0
0
-8.0 to -28.0
0
0.0 to -15.0
10
-15.0 to -34.0
0
0.0 to -18.0
0
-8.0 to -28.0
0
-8.0 to -30.5
0
TBD
0
-9.0 to -27.0
10
-9.0 to -28.0
10
-3.0 to -18.0
5
+4.0 to 0.0
15
0.0 to -7.0
10
-7.0 to -24.0
0
+2.0 to -1.0
5
-1.0 to -14
0
-1.0 to -11.0
0
Fiber installation
7 - 7
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