Pinned/Unpinned
Key-up/Key-down
Type B
TRC 2
Pinned/Pinned
Meter shows
POLARITY A
Meter
Figure 9. Connections for Loss Measurements on Type A Permanent Links with Unpinned MTP/MPO Connectors
1
1
12
12
Adapter
Source channel:
1
2
Meter channel:
1
2
Unpinned/Pinned
Type A
Key-up/Key-down
Fiber link
W
Caution
Do not disconnect TRC 1 from
the source after you set the
reference.
3
4
5
6
7
8
9 10 11 12
3
4
5
6
7
8
9 10 11 12
How to Measure Loss
1
1
12
12
Adapter
Type B
TRC 1
Pinned/Pinned
Source
GUE10.EPS
23