RAD Data comm HCD-E1 - Manual (Page 143)

HCD-E1 Installation & Operation Manual Chapter 5 - Troubleshooting and Diagnostics
01/01/01 08:15 Status Indications and Alarms 5-3
Table 5-1 HCD-E1 Alarm Buffer Messages
LCD Message Terminal Message Alarm
Number Probable Cause Corrective Actions Alarm
Type
AIS OCCURR: SL* AIS OCCURRED: SL* 12 AIS is being detected on the E1
sublink. Check the equipment connected to the E1 sublink. ON/OFF
AIS SYN LOS: SL* AIS SYNC LOSS: SL* 13 AIS and loss of frame alignment
on the E1 sublink. Check the equipment connected to the E1 sublink. ON/OFF
_ ALARM BUFFER
OVERFLOW 16 More than 100 alarms entries
have been written in the alarm
buffer since the last clear
command. New alarms are
overwriting the older alarms. Read the messages and then clear the buffer by
sending the CLR ALM/A command from the
control terminal. ON/OFF
BPV ERROR: SL BPV ERROR: SL 02 A bipolar violation error has
been detected on the local unit’s
E1 sublink. Check the connection between the E1 sublink and
its DTE. ON
CRC-4 ERROR: SL CRC-4 ERROR: SL 10 Bit errors have been detected by
CRC-4 checking on the data
received by the local unit’s
sublink. Check the connection between the E1 sublink and
its DTE. ON
DB CHKSUM ERR* DB CHECKSUM ERROR* 15 The database currently stored in
the non-volatile memory of
HCD-E1 is corrupted. 1. Enter the INIT DB command from the control
terminal or set the DB INIT section of switch S2
to ON, to load the default configuration in the
place of the current database, then reconfigure
HCD-E1 with the desired parameters.
2. Perform the power-up self-test and replace
HCD-E1 if it fails the test.
ON/OFF