134237934 E1-Ais - Zte ZXMW NR8250 Manual

l Alarm Level: Major
l
Alarm Type: Communications Alarm
Sub-code Description
l Sub-code 1: Optical port 1 on the RTUB board;
l
Sub-code 2: Optical port 2 on the RTUB board.
Effect on the System
The receive signal transmitted on the SDH link is interrupted.
Possible Causes
1. The regenerator section trace identification J0 is incorrect. The actual J0 value is
inconsistent with the preset value.
2. The RTUB board that reports the alarm is faulty.
Handling Procedure
1. Ensure that the preset trace identification of VC-4 channel (J0) of the NR8250
upstream equipment is -ZTE-MW-NR8250-.
l
If yes, go to step 2.
l
If no, modify the trace identification of VC-4 channel (J0)-ZTE-MW-NR8250-.
2. The alarm is caused by RTUB board failure. Replace the board.

2.2.26 134237934 E1-AIS

Alarm Property
l Alarm Code: 134237934
l
Alarm Information:
The alarm indicates that every bit of the digital signal is "1".
The alarm is reported if at least 255 consecutive bits in the received signal is "1".
l
Alarm Level: Critical
l
Alarm Type: Communications Alarm
Sub-code Description
l
Sub-code 1: E1 port 1 on the panel;
l
Sub-code 2: E1 port 2 on the panel;
l
Sub-code 3: E1 port 3 on the panel;
l Sub-code 4: E1 port 4 on the panel;
l Sub-code 5: E1 port 5 on the panel;
l
Sub-code 6: E1 port 6 on the panel;
l
Sub-code 7: E1 port 7 on the panel;
l
Sub-code 8: E1 port 8 on the panel;
SJ-20111008094748-008|2012–05–30 (R1.1)
2-43
ZTE Proprietary and Confidential
Chapter 2 Alarm