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Link testing
...................................................................................................................................................................................................................................
IF...
the measured value is not within the
range,
...................................................................................................................................................................................................
4
Replace the 0-dB attenuator by the chosen one.
...................................................................................................................................................................................................
Measure the received optical power again. To be able to do that a coupler and an extra
5
fiber jumper could be required.
Result:
...................................................................................................................................................................................................
6
Connect the fiber to this I port.
...................................................................................................................................................................................................
Repeat
7
E
N D
O F
...................................................................................................................................................................................................
Optical input power ranges
The following table provides the allowed input power ranges:
Interface
S1.1
S4.1
L1.1
L1.2
L4.1
L4.2
...................................................................................................................................................................................................................................
365-313-103R8.0
Issue 2 July 2009
The measured value must lie within the valid range.
Step 1
to
Step 6
for all required fiber connections.
S T E P S
Wavelength [nm]
1310
1310
1310
1550
1310
1550
Alcatel-Lucent – Internal
Proprietary – Use pursuant to Company instruction
THEN...
choose an appropriate attenuator.
Allowed range [dBm]
–28 ... –8
–28 ... –8
–34 ... –10
–34 ... –8
–28 ... –8
–28 ... –8
Connecting the fiber cables
8-3
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