5–6
Troubleshooting
DECrepeater 90C Backplane Configuration
Troubleshooting
Use Table 5–2 to troubleshoot a DECrepeater installed in a DEChub 90
configuration.
Table 5–2
Troubleshooting a DECrepeater 90C in a DEChub 90
Backplane
If...
Then...
Do this...
The power LED is
off.
The DECrepeater
90C is not receiving
+5 V.
Check the power LED on the
DEChub 90 power supply.
If the power LED
on the DEChub 90
is off, there is a
problem with the
DEChub 90 power
supply.
See the troubleshooting
procedures in the DEChub90
Owner’s Manual.
If the power LED
on the DEChub 90
power supply is on,
are the power LEDs
on other components
off? If other
components are
on, the DECrepeater
90C has a power
problem.
Try reseating the DECrepeater
90C in either the same slot or
another slot.
If the power LED
on the DEChub 90
power supply is on,
are other component
power LEDs off? If
other components
are off, the DEChub
90 has a power
problem.
See the troubleshooting
procedures in the DEChub
90 Owner’s Manual.
