POWER METERS
10
STEP 1
Power ON both the power meter and the MPO Switch.
Testing 12-fiber MPO cables with a Single-port Light Source and DataCenter 12 MPO Optical Switch
STEP 2
Connect the power meter and optical switch to the MPO cable under test using the accessories as shown below.
SC/UPC-SC/UPC patch cable (ensure correct fiber type)
STEP 3
Set the MPO switch to MPO switch Channel 1
IMPORTANT NOTE:
based on what type of MPO cable is being tested, the light from MPO Channel 1 will appear in different places at
the far end. See diagram below for common standards-based MPO polarity arrangements.
For example, when the MPO optical switch is set to Channel 1, the light will be seen on Fiber 1 for Type A, Fiber 12 for Type B, and
Fiber 2 for Type C.
STEP 4
Press the UP arrow button ( ) to change to the next channel.
MPO CABLE UNDER TEST
1
12
Key Up
Key Down
Type A (Straight)
Key Up
Key Up
Type B (Reversed)
Key Up
Key Down
Type C (Pairs Flipped)
1
2
3
4
5
6
7
8
9
10
11
12
1
2
3
4
5
6
7
8
9
10
11
12
12
11
10
9
8
7
6
5
4
3
2
1
1
2
3
4
5
6
7
8
9
10
11
12
1
2
3
4
5
6
7
8
9
10
11
12
1
2
3
4
5
6
7
8
9
10
11
12
1
2
3
4
5
6
7
8
9
10
11
12
From MPO Light Source
or a second MPO switch
connected to a standard
single-port light source
APPLICATIONS