Radwin Ltd. WINLINK User Manual

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Error Detection 
5-1 
Chapter 5 
Diagnostics and 
Troubleshooting 
This chapter describes the AirMux-104 diagnostic functions, which include: 
•  Status indications, alarms, power-up self-test 
•  Statistics collection 
•  Diagnostic tests (local and remote loopbacks on E1 link). 
5.1 Error Detection 
Power-Up Self-Test 
AirMux-104 performs a hardware test of the RTCB upon turn-on. This self-test 
checks the critical circuit functions of the unit. The RTCB LED indicates results of 
the self-test (see 
 for the LED description). 
Alarms 
AirMux-104 detects fault conditions of the radio and user links and initiates alarms 
to alert the user. The user can save alarm log as a TXT file. 
Alarms are displayed in the alarm logger (see 
Alarm logger includes the following fields: 
•  Alarm sequential number 
•  Date and time stamp 
•  Alarm message 
•  Alarm source (local or remote RT) 
•  IP address of the RT that initiated alarm. 
Table 5-1.  AirMux-104 Alarms and Information Messages 
Message Description 
Radio Link – Sync 
Radio link is synchronized 
Radio Link – Out Of Sync 
Radio link lost synchronization 
Device Resetting 
RT was reset due to internal problem 
E1 Interface – Normal 
E1 interface is operating properly 
E1 Interface – LOS 
Loss of Synchronization is reported by E1 interface