Front-Panel Leds Description; General Operating Status Leds Description; E1/T1 Trunk Leds Description; Table 3-3: General Operating Status Leds Description - AudioCodes Mediant 2000 Hardware Installation Manual

3.3

Front-Panel LEDs Description

The device provides LEDs on the front panel. These LEDs are located on the blade and on
the chassis.
3.3.1

General Operating Status LEDs Description

The blade provides LEDs for indicating general operating status, as described in the table
below:

Table 3-3: General Operating Status LEDs Description

Label
FAIL
ACT
Note:
3.3.2

E1/T1 Trunk LEDs Description

The blade provides LEDs for indicating the E1/T1 trunk status, as described in the table
below:
Label
T1/E1 Status
1 to 8
T1/E1 Status
9 to 16
Note:
Hardware Installation Manual
Color State
Red On
- Off
Green On
Yellow On
During correct operation, the ACT LED is lit green and the FAIL LED is off.

Table 3-4: E1/T1 Trunk Status LEDs Description

Color Status
Green On
Red On
On the front panel, 16 LEDs are provided for 16-span units and 8 LEDs are
provided for 1-span, 2-, 4-, and 8-span units. In the case of 1-, 2-, and 4-span
units, the extra LEDs are not used.
Description
Device failure (fatal error).
Normal functioning.
Initialization sequence terminated OK.
N/A.
Description
Trunk is synchronized (normal operation).
Loss due to any of the following signals:

LOS Loss of Signal

LOF (Loss of Frame)

AIS (Alarm Indication Signal -- 'Blue alarm')

RAI (Remote Alarm Indication -- 'Yellow
alarm')
14
Mediant 2000
Document #: LTRT-70116