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CHAPTER 3 Physical Description
E1/T1 LEDs
The E1/T1 trunk port provides a LED for indicating operating status, as described in the following
table:
Color
State
Green
On
Red
On
-
Off
Power LED
The POWER LED indicates the power supply status, as described in the following table.
LED Color
Green
-
Rear Panel Description
The device's rear panel is shown in the following figure and described in the subsequent table.
Item #
1
2
3
Table 3-5: E1/T1 LED 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 (the Blue Alarm)
■
RAI - Remote Alarm Indication (the Yellow Alarm)
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 3-6: POWER LED Description
LED State
On
Off
Figure 3-2:
Table 3-7: Rear Panel Description
Label
I / 0
100-240V~50-60Hz 0.8A Max.
Mediant 500 Gateway & E-SBC | Hardware Installation Manual
Description
Description
Power is received by the device.
No power received by the device.
Rear Panel
Protective earthing screw.
Power switch (O is off; I is on).
Three-prong AC power supply entry.
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Description
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