Alcatel-Lucent MDR-8000 User Manual page 83

Table 5-3 Troubleshoot Using Ethernet I/O Interface Module Indicators (Cont.)
LED Indication
ETH IN Green LED
Not Lit
ETH Yellow LED
ALM Lit
ETH Green LED
OUT Not Lit
Probable Cause
Loss of Ethernet RCV/radio XMT
signal in. Most probable causes:
1. Cable between link partner and
radio is disconnected/broken.
2. Speed/Mode provisioning mis-
match between link partner and
radio
Summary alarm, could be caused
by XMT or RCV Ethernet degrade
Loss of Ethernet XMT/radio RCV
signal out. Most probable causes:
1. Loss of RF input to radio RCVR
2. Loss of Ethernet input to radio
RCVR
Corrective Action
Connect/repair cable.
1. Check local Ethernet facility provi-
sioning screen.
2. Check link partner provisioning.
Use USI to determine if degradation is
in the input or output side.
Check local RSL screen on USI. Is RSL
ok?
Yes - Check farend for Ethernet alarm.
No - Check farend XMTR output. Is
farend XMTR Out ok?
Yes - Check path, antenna,
waveguide/cabling
No - Check/replace farend XMTR.
Check farend for Ethernet alarms.
Are any alarms indicated?
Yes - Troubleshoot farend alarms
No - Check farend Ethernet status. Is
only abnormal status indicated?
Yes - Troubleshoot farend Ethernet sta-
tus.
No -
1. Replace local alarmed Ethernet I/O
Interface module.
2. Replace local RCVR module.
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