Performance Tests
Performance Test Procedures
30
Agilent
8159xB
Optical Switch Modules, Fourth Edition
Repeatability Test
Carry out the following Repeatability Test for 8159xB #009 at 1550 nm, and
for 8159xB #062 at 850nm using the equipment listed in
Table 3
on
page 24.
1
Use the same equipment and test set up as used in
Figure 14
on
page 28.
2
Turn the instruments on and allow the devices to warm up (30 min).
3
Make sure that all your connectors are clean and undamaged.
4
Set the laser source to the wavelength given in the Test Record.
Set the power meter to the same wavelength as the laser source.
5
Disable the laser source, zero the power meter and select Autorange.
Display [dB].
6
Select the switch port which is connected to the power meter and
enable the laser source.
7
Set Display to Reference on the power meter.
8
Cycle the switch away and back to the connected port.
9
Note the power meter reading in the Test Record.
10
Repeat step 8 and step 9 ten times.
11
Repeat the Test with step 7 to step 10 for the other switch ports.
12
With 81954B, connect the laser source to input B, then measure both
output ports as listed in step 7 to step 11.
IThe step 7 to step 10 should be completed within 15 minutes because of
stability and drift reasons. Else a new reference measurement has to be
performed.
N O T E
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Summary of Contents for 81591B
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