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9145ELB NID Hardware User’s Manual
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Setting Up the VT-100 Terminal ......................................................................................... 25
Chapter 5. Troubleshooting ................................................................. 27
Optical Power Loss............................................................................................................. 27
Fault Conditions.................................................................................................................. 27
Remote Fault................................................................................................................... 27
Link Loss Forwarding ...................................................................................................... 28
Running Diagnostics........................................................................................................... 29
PING Testing................................................................................................................... 29
Loopback Diagnostics ........................................................................................................ 29
Troubleshooting the Dual 10G Optical Ethernet Module .................................................... 29
Chapter 6. Maintenance........................................................................ 31
General Maintenance ......................................................................................................... 31
Checking Optical Power Levels .......................................................................................... 31
Measuring Transmitter Output Power ............................................................................. 31
Measuring Receiver Input Power .................................................................................... 32
Calculating Fiber Link Attenuation .................................................................................. 33
Replacing a Network Port Module ...................................................................................... 34
Replacing the Fan Module.................................................................................................. 34
Replacing a Power Supply Module..................................................................................... 35