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Chapter 4
Turn Up and Test
Figure 4-3
A-side
Retrieve the DWDM receive level:
Step 6
At the NCB:> prompt, type
a.
levels from the DWDM receivers. Record the values in
Calculate the expected receive power on the A and B sides and record the values in
b.
page
To calculate the expected receive power, take the measured attenuated transmit power from
Table B-8 on page B-5
formula and explanation below). The actual receive power should be
receive power.
Formula:
ERp = MTp – (HFM x 0.5 – 2.5)
78-13765-01
Attenuators from the A Side and B Side Line modules
MONITOR
Attenuation
show power
B-5.
and subtract the associated losses from the dropping of the channel (see the
Attenuation
. Press Enter. This retrieves the measured optical power
Table B-8 on page
Cisco ONS 15200 Installation, Setup, and Test Manual
ETHER
IrDA
¬
MMC
Network
Control
Board
ACO
INT
BUS
MA
MONITOR
B-side
B-5.
Table B-8 on
±
2.5 dB of the expected
4-9
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