IBM 5500 Operational, Installation, And Maintenance Manual page 131

Note: For a continuity test only, use only the first two connections shown
in Figure 67.
Figure 67: Distribution Panel to Control Unit
Connect Meter Leads As Shown Below
Positive
Red
Green
Red
Green
Shield
Shield
a. If surge suppressors are installed on the line, the normal resistance is 36
to 54 W.
Test for Cable Drop from Distribution Panel to Workstations
Except the Last Workstation on the Data Path
Use the following procedure to test the cable drop from the distribution panel
to the workstation:
1. Install a test connector on the red cable of the Y that is connected to the
cable drop to be tested.
2. Install a test connector on the blue cable of the Y that is connected to the
cable drop to be tested.
Note: The test connectors are not required for this test but are recommended
for ease of connection.
3. Check for the resistances shown in Figure 68.
Note: For a continuity test only, use only the first two connections shown in
Figure 68.
Negative
Orange
Black
Green
Red
Red
Green
Normal Resistance
a
W
0 to 14
W
0 to 14
W
> 5000
W
> 5000
W
> 5000
W
> 5000
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