Alcatel-Lucent 1643 AMS Installation Manual page 223

Link testing
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Check that the measured value is within the range shown below (see section
3
input power ranges" (p.
IF...
the measured value is within the
range,
the measured value is not within
the range,
...................................................................................................................................................................................................
Replace the 0-dB attenuator by the chosen one.
4
...................................................................................................................................................................................................
Measure the received optical power again. To be able to do that a coupler and an extra
5
fiber jumper could be required.
Result:
...................................................................................................................................................................................................
Connect the fiber to this IN port.
6
...................................................................................................................................................................................................
Repeat
7
E
N D
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Optical input power ranges
The following table provides the allowed input power ranges.
Interface
S1.1
S1.1 (18 dB)
S4.1
L1.1
L1.2
L4.2
...................................................................................................................................................................................................................................
365-312-802R7.2
Issue 4, June 2007
8-3)).
The measured value must lie within the valid range.
Step 1 to Step 6 for all required fiber connections.
O F S T E P S
Wavelength [nm]
1310
1310
1310
1310
1550
1550
Alcatel-Lucent - Proprietary
THEN...
END OF STEPS
choose an appropriate attenuator.
See notice on first page
Connecting the fiber cables
Allowed range [dBm]
–28 ... –8
–34 ... –8
–28 ... –8
–34 ... –10
–34 ... –8
–28 ... –8
"Optical
8-3