Troubleshooting Chapter 9
WinLink™ 1000 User Manual Release 1.9 9-19
A “Dying-Gasp” circuit identifies the power failure at a minimum interval of
20 milliseconds before the ODU or IDU powers off. During that interval a
message notifying the power failure is sent to opposite site. External alarm
output number 4 indicates power failure at the opposite site.
Troubleshooting
Use the following table to troubleshoot LED fault indications:
Use the following table to troubleshoot faults in the system:.
Table 9-7: LED fault indicators
LED Status Remedy
PWR Off Check that power is connected to the IDU
IDU Red Check that the IDU/ODU cable is properly wired and connected.
ODU Red Check that the IDU/ODU cable is properly wired and connected.
AIR I/F
Orange Complete the installation procedure from the RADWIN Manager
Red
Check the antenna alignment. Check that the radio configuration of both site A and
site B units are the same (Channel and Link ID).
SVC
Orange
Red
Off
Alarm detected at the Site B interface or Local or Remote loopback
Alarm detected at the Site A interface
Ethernet only IDU or E1/T1 not configured
HSS
Red
Orange
HSS not operational due to improper signal detection. This ODU is not transmitting
HSS is operational. One of the following conditions apply:
• This ODU is a master that is generating signals and detecting signals
• This ODU is a master that is generating signals but detected improper sig-
nals
• This ODU is a client "Continue Tx" but is not detecting signals
• This ODU is a client "Disable Tx" and is detecting signals from multiple
sources
All orange cases transmit.
STBY
Red
Orange
MHS mode Primary, Link state not active
MHS mode Secondary, Link state active
Table 9-8: System Troubleshooting
Symptom Remedy
No power
Ensure that power is connected to the IDU
Ensure that the ODU cable is properly wired and connected
No signal
Complete the installation procedure from the RADWIN Manager
Check the antenna alignment. Check that the radio configuration of both site A and site B
units is the same (channel and Link ID)
Weak signal
received
Check the antenna alignment, reconfigure the link
Check the alignment tone sounds the Best Signal sequence
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