Specifications

Installation and Operation Manual Chapter 6 Troubleshooting and Diagnostics
FCD-E1LC Ver. 1.0 Troubleshooting 6-15
Trouble Symptoms Probable Cause Corrective Measures
2. Defective FCD-E1LC Turn the FCD-E1LC off for a few minutes, and then
turn it back on and read the alarm messages
generated during the power-up self-test. Replace
the FCD-E1LC if a failure is detected.
Local FCD-E1LC reports
local sublink sync loss
1. External problem Activate the remote analog loopback on the sublink.
Check that the local FCD-E1LC SUB LOC SYNC LOSS
indicator turns OFF. If the indicator is OFF, the
problem is external.
2. Defective FCD-E1LC Turn the FCD-E1LC off for a few minutes, and then
turn it back on and read the alarm messages
generated during the power-up self-test. Replace
the FCD-E1LC if a failure is detected.
Local user connected to
the FCD-E1LC data channel
cannot communicate with
the remote equipment
(main link operates
normally)
1. External problem Activate the local loopback on the data channel.
Check that the equipment connected to the
channel receives its own signal. If not, the problem
is external.
2. Defective FCD-E1LC Turn the FCD-E1LC off for a few minutes, and then
turn it back on and read the alarm messages
generated during the power-up self-test. Replace
the FCD-E1LC if a failure is detected.
LINK indicator of Ethernet
port is not lit
1. No active station on
the LAN
Check that at least one station is active on the LAN
2. Cable problem Check and replace if necessary the cable that
connects the FCD-E1LC 10/100BASE-T connector
to the LAN
3. Problem on the LAN Check LAN media
4. Defective FCD-E1LC Turn the FCD-E1LC off for a few minutes, and then
turn it back on and read the alarm messages
generated during the power-up self-test. Replace
the FCD-E1LC if a failure is detected