CHAPTER 3 Physical Description
Mediant 800 Gateway & E-SBC | Hardware Installation Manual
Table 3-5:
FXO LEDs Description
LED
Color
LED
State
Description
Green
On
FXO line is off-hooked toward the PBX.
Flashing
Ring signal detected from the PBX.
Red
On
■
Error - malfunction in line or out of service due to Serial Peripheral
Interface (SPI) failure.
■
Disabled port initiated by user (using the CLI command,
analog-
port-enable
)
-
Off
Line is on hook.
-
Off
No power received by the device.
BRI LEDs
Each BRI port provides a LED for indicating operating status, as described in the following table:
Table 3-6:
BRI LEDs Description
Color
State
Description
Green
On
Physical layer (Layer 1) is synchronized (normal operation).
Red
On
Physical layer (Layer 1) is not synchronized.
-
Off
Trunk is not active.
E1/T1 (PRI) LEDs
Each trunk port provides a LED for indicating operating status, as described in the following table:
Table 3-7:
E1/T1 LEDs 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.
STATUS LED
The
STATUS
LED indicates the operating status, as described in the following table.
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