AudioCodes Mediant 500 - Network Interface and DMZ Connectivity

Session Border Controllers 17 Mediant 500 E-SBC
Hardware Installation Manual 3. Physical Description
3.2.2.2 LAN Interface LED
Each Ethernet port provides a LED for indicating LAN operating status, as described in the
table below.
Table 3-4: LAN LED Description
LED
Color
LED
State
Description
Green
On Ethernet link established.
Flashing Data is being received or transmitted.
-
Off No Ethernet link.
3.2.2.3 E1/T1 LEDs
The E1/T1 trunk port provides a LED for indicating operating status, as described in the
table below:
Table 3-5: E1/T1 LED Description
Color State Description
Green
On Trunk is synchronized (normal operation).
Red
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.
3.2.2.4 Power LED
The POWER LED indicates the power supply status, as described in the table below.
Table 3-6: POWER LED Description
LED
Color
LED
State
Description
Green
On Power is received by the device.
- Off No power received by the device.