Specifications
Contents
ii FLM-1 Installation and Operation Manual
C
HAPTER 
4 T
ROUBLESHOOTING AND 
D
IAGNOSTICS
4.1 Frequently Asked Question ............................................................................................ 4-1
4.2 Diagnostics Tests ............................................................................................................ 4-1
Local Loopback.....................................................................................................................4-2
Remote Loopback................................................................................................................. 4-2
4.3 Fault Isolation and Troubleshooting................................................................................ 4-2
A
PPENDIX 
A P
IN 
A
SSIGNMENT FOR 
S
UBCHANNELS WITH 
DB-25 C
ONNECTORS
A
PPENDIX 
B P
INOUT FOR 
RJ-45 C
ONNECTORS










