PERFORMANCE VERIFICATION TESTS
KI23400/KI27400 UM-2
-
79 -
2. Switch on each instrument and press [Autotest], [Abs / Rel], then
[Set Ref] for 3 seconds. The displays should read approximately
0.00 dB
3. To check accuracy, remove the test lead on one instrument
and re-connect the other test lead as in Figure 12.
4. The displays should now read between -0.50 and 0.50 dB for
all source
λ
. Note the maximum displayed value for each
λ
in
Table 7.
Figure 12. Test set up for Two Way Calibration Accuracy Test
Note:
ensure your patch leads are clean and in good working
order.
Two Way Range and Linearity Test
1.
Connect the equipment as shown in Figure 13.
LTS Attenuator LTS
Figure 13. Test set up for Two Way Range and Linearity Test
2. Switch on all instruments.
3. Set the Light Source on one of the instruments to 1310nm and
allow to warm up. Press [Autotest].
4. On the attenuator, set the
λ
to1310nm and attenuation to 5 dB.
5. Make sure that Autotest is updating. Note the measured optical
power at 1310 nm. Note meter reading in Table 7.
6. For single mode instruments, repeat the power readings for
attenuator settings of 15 dB, 25 dB and 35 dB. For instruments
Source
/2-way
port
Source
/2-way
port
Source
/2-way
port
Source
/2-way
port
