50
Maxim Integrated
Evaluates: DS34S132
DS34S132 Evaluation Kit
5.1.2 Displaying Interface Alarms
To display E1/T1 interface alarms:
1) From the
TopAlarms Menu
(
Figure 5-1
) select
Interface Alarms
.
2) Enter the TDM link (port) number.
3) From the
Interface
Alarm
menu, select
TDM
Alarms
.
The
TDM Alarms
menu is displayed (
Figure 5-3
).
Table 5-2. TDM Alarms Descriptions
Figure 5-3. TDM Alarms Menu
E1 TDM Alarms for Port 1
1. Loss of Signal ON
2. Loss of Frame ON
3. AIS OFF
4. RAI OFF
5. RX FRAME SLIP OFF
6. TX FRAME SLIP OFF
7. BPV/CV ERRORs 0
n: next screen, p: previous screen, ESC: previous menu
q: exit, r: manually update, c: reset
d: disable automatically update, e: enable automatically update
Please enter your choice:
MESSAGE
DESCRIPTION
POSSIBLE
VALUES
CORRECTIVE ACTIONS
Loss of Signal
Loss of receive signal. Also indi-
cated by the front panel SYNC LOS
LED being lit.
ON, OFF
Check cable connection to the E1 link connector.
Check line and/or other communication equipment
connected to the link of the remote unit.
Loss of Frame
Loss of frame synchronization.
ON, OFF
Check the remote equipment. Perform the following:
Check cable connection to the E1 connector of the
remote device.
Check line and/or other communication equipment
providing the E1 link to the remote equipment.
Replace the remote equipment.
AIS
AIS is detected on the link.
ON, OFF
Check equipment connected to the remote end of
the E1 link.
RAI
RAI is detected on the link.
ON, OFF
Check equipment connected to the remote end of
the E1 link.
RX FRAME SLIP,
TX FRAME SLIP
E1 frame slips are detected (not
displayed during local loss of frame
synchronization). Updated once per
second.
ON, OFF
Verify the clock settings.
Check the far end (unstable clock source).
Replace the EV kit only if previous steps do not cor-
rect the problem.
BPV/CV ERRORs
Bipolar violations or code violations
on the link receive signal. Updated
once per second.
0, 1, . . .
Check the TDM equipment and cable connecting it
to the E1 port.
Replace the EV kit.
