Unit installation

FCD-E1 Installation and Operation Manual Chapter 6 Troubleshooting and Diagnostics Handling Alarms 6-13
Table 6-3. FCD-E1 Alarm Messages (Cont.)
Terminal Message LCD Message Alarm
Number
Description Corrective Actions Severity Type
REMOTE MF ALARM R MF ALARM: X
27 Remote loss of multiframe
synchronization alarm on the specified link
Problem at the remote equipment MAJOR ON/OFF
REMOTE SYNC LOSS R SYNC LOSS: X
28 Remote loss of frame synchronization
alarm on the specified link
Problem at the remote equipment. Perform the following checks on the remote equipment: 1. Check cable connections to the link connector. 2. Check line and/or other communication
equipment providing the link to the remote equipment.
3. Replace the equipment
MAJOR ON/OFF
RTS/CONTROL IS OFF
RTS/CONTROL OFF
43 Indicates that the RTS at the DTE is off. Set the RTS at the DTE to the ON state. MAJOR ON/OFF
SELF TEST ERROR SELF TEST ERROR
17 A problem has been detected during
FCD-E1 self-test
Replace the FCD-E1 MAJOR ON/OFF
SFIFO SLIP SFIFO SLIP: X
34 Technical problem (FIFO
overflow/underflow), usually caused by differences in clock rates
1. Check the clock mode of the corresponding channel. 2. Turn the FCD-E1 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-E1 if a failure is detected
MAJOR ON
SIGNAL LOSS SIGNAL LOSS
21 Loss of main or sublink receive signal 1. Check cable connections to the link connector.
2. Check line and/or other communication
equipment providing the link to the remote unit.
3. Perform the power-up self-test and replace the
FCD-E1 if a failure is detected
MAJOR ON/OFF
SP-PAR SWITCH IS ON
SP-PAR DW IS ON
13 Section DEF PAR of internal DIP
switch S1 is set to ON
If this setting is no longer required, return the switch section to OFF
MINOR ON