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Table 2-23 PRI/BRI LED Indications
Priority
No.
Operation Status
LED Indication on the
Base Board
Remarks
1
System Initializing
On
2
The assignment of the board is refused.
3s On / 3s Off
• When you exceed the
system capacity.
• When the main soft-
ware version is not
matched.
3
Trouble found during self-diagnostics.
1s On / 1s Off
4
Normal
Operation
A Channel is busy (use another from CH1 ~
CHx).
500ms On / 100ms Off
5
All channels are idle.
100ms On / 100ms Off
6
Board
Busy
A Channel is busy (use another from CH1 ~
CHx).
100ms On / 2s Off
7
All channels are idle.
Off
8
Downloading firmware.
80ms On / 80ms Off /
80ms On / 80ms Off /
80ms On / 400ms Off
For 1PRIDB Only
T1 Alarm Mode
Refer to following figure for LED pattern information. LED indications for the T1 are listed in
Table 2-24 T1 LED Indications on page 2-58
LOS
green
120 ms
green
green
green
AIS
OOF
RAI
1 cycle 3.8 sec (120 ms x 32 = 3840 ms)
Figure 2-75 Indication Pattern of Layer 1 on T1 Board
Table 2-24 T1 LED Indications
Alarm
Details of the Alarm
The LED Indication Pattern
LOS
LOS (Loss of Signal (Red Alarm))
No Signal (Analog Interface)
Following an alarm blink twice (green), a green LED light up.
AIS
AIS (Alarm Indication Signal (Blue Alarm))
Following an alarm blink twice (green), a green LED flashes
on and off slowly twice
OOF
OOF (Out of Frame (Red Alarm))
Following an alarm blink twice (green), a green LED flash on
and off 3 times simultaneously.
RAI
RAI (Remote Alarm Indication (Yellow
Alarm))
Following an alarm blink twice (green), a green LED goes
off.
No alarm
System does LED control
The order of priority is set up to alarm in the order LOS → AIS → OOF → RAI.
SL2100
ISSUE 1.0
2-58
Installation
Содержание UNIVERGE SL2100
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