RAD Data comm HCD-E1 - Manual (Page 149)

HCD-E1 Installation & Operation Manual Chapter 5 - Troubleshooting and Diagnostics
01/01/01 08:15 Status Indications and Alarms 5-9
Table 5-1 HCD-E1 Alarm Buffer Messages (Cont.)
LCD Message Terminal Message Alarm
Number Cause Corrective Actions Alarm
Type
R. SYNC LOSS: SL REMOTE SYNC LOSS: SL 23 The equipment connected to
the E1 sublink reports loss of
frame alignment. Check the equipment connected to the E1 sublink
of your HCD-E1 ON/OFF
RTC BATTERY FAIL* REAL TIME CLOCK
BATTERY FAILURE* 22 The battery that powers the
HCD-E1 internal real-time clock
when HCD-E1 is not powered,
has failed. This message appears
only upon power-up. Have the HCD-E1 repaired. ON
SELF TEST ERROR* SELF TEST ERROR* 17 A problem has been detected
during HCD-E1 self-test. Repeat the self-test, and replace the
HCD-E1 if it fails the self-test. ON
SIGNAL LOSS:LP1*
SIGNAL LOSS:LP2* SIGNAL LOSS:LP1*
SIGNAL LOSS:LP2* 25 Loss of HDSL line input signal. 1. Check the corresponding HDSL line.
2. Perform self-test on the two units and replace
the one that fails the self-test.
ON/OFF
SIGNAL LOSS: SL* SIGNAL LOSS: SL* 01 Loss of input signal on the E1
sublink. 1. Check cable connections to the E1 sublink
connector.
2. Check the line and/or other communication
equipment connected to the E1 sublink.
ON/OFF
SP-PAR DW IS ON SP-PAR SWITCH IS ON 20 Section DEF SP is set to ON.
This message appears only upon
power-up. If it is no longer necessary to enforce the default
control port parameters, change setting to OFF ON
STUFF OVERFLOW STUFFING OVERFLOW 35 The stuffing mechanism cannot
compensate for the frequency
difference between the DTE
clock and the HDSL clock. 1. Check the clock source selection.
2. Check the equipment providing the DTE signal
(unstable clock source).
3. Perform the power-up self-test and replace the
HCD-E1 if it fails the test.
ON