KI 734x/774x UM-12
47
PERFORMANCE VERIFICATION TESTS
2. Switch on the instruments.
3. Set instruments to 1310 nm.
4. Note the measured power level value in the test report in Table 5.
5. Repeat the above on 1550 nm.
Light Source section
Short Term Stability Test (optional)
1. Connect the equipment as in Figure 6.
2. Set instruments to 1310 nm.
3. Let the light source to warm-up for 15 minutes, then note the
power.
4. Record the optical power every 30 seconds for 3 minutes.
5. Calculate max
–
min value (< 0.1 dB).
6. Note this figure in Table 5.
Alternatively, the instrument max/min recording function can be used
to record the data.
Time
Measured power,
dBm
Drift, dB
Tick max / min
values
00 sec
0.00
30 sec
60 sec
90 sec
120 sec
150 sec
180 sec
