E1/T1 Leds; Operational Status Leds; Power Leds; Table 3-8: E1/T1 Leds Description - AudioCodes Mediant 800 Hardware Installation Manual

Hardware Installation Manual
3.2.2.6

E1/T1 LEDs

Each trunk port provides a LED for indicating operating status, as described in the table
below:
Color
Green
Red
-
3.2.2.7

Operational Status LEDs

The STATUS LED indicates the operating status, as described in the table below.
LED
Color
Green
Red
3.2.2.8

Power LEDs

The POWER LED indicates the operating status, as described in the table below.
LED
Color
Green
-
Version 6.6

Table 3-8: E1/T1 LEDs Description

State
On Trunk is synchronized (normal operation).
On Loss due to any of the following signals:

LOS - Loss of Signal

LOF - Loss of Frame

AIS - Alarm Indication Signal (the Blue Alarm)

RAI - Remote Alarm Indication (the Yellow Alarm)
Off Failure / disruption in the AC power supply or the power is
currently not being supplied to the device through the AC
power supply entry.

Table 3-9: STATUS LEDs Description

LED
State
On The device is operational.
Flashing The device is rebooting.
On Boot failure.

Table 3-10: POWER LEDs Description

LED
State
On Power is received by the device.
Off No power received by the device.
Description
Description
Description
17
3. Physical Description
February 2013