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MAINTENANCE
Table 4-B lists the test points (-5 V, +5 V, -48 V, and GND) for the power supply.
The test points are located on the upper-right corner at the front of the cabinet.
Table 4-C lists the voltages used by the CPs and symptoms
voltages are missing. This information is useful in diagnosing
power distribution problems.
Table 4-B.
Power Supply Test Points
that occur when
power supply or
Test
Voltage
Remarks
Points
Limits
+5
+4.80
+5. 15
The green LED on the power supply
monitors this particular voltage
Ground
4-65