Specifications

Revision: 2008-02-07 6-1
6 LEDs, Alarms
6.1 Plug-in LEDs
6.1.1 Plug-in LED mapping
The plug-in cards are equipped with 4 LEDs that indicate local and remote alarm
status depending on the number on DSL systems fitted on the plug-in card.
LTUMODE 1
Quad link (1p)
LTUMODE 2
LTUMODE 3
LTUMODE 4
Dual link (1p/2p)
LED Number System Function System Function
A 1 Local Status 1 Local Status
B 2 Local Status 1 Remote Status
C 3 Local Status 2 Local Status
D 4 Local Status 2 Remote Status
Table 6-1: LED mapping for plug-in
6.1.2 Plug-in LED Indications
Status Local Status Remote Status
Power failure Off Off
Hardware / Software failure blinking red Off
Remote Powering Overvoltage blinking red (*) Off
Normal operation (Master) Green Green
Normal operation (Slave) Green Off
Non-urgent alarms (local / remote) or
loop active
Amber Amber (off for Slave)
Urgent alarms (local / remote) Red Red (off for Slave)
(*) LEDs 1 and 3 blinking simultaneously
Table 6-2: Plug-in LED indications