Chapter 9 Controller
Gen 3 Site Controller System Manual
Controller
9-4
68P80801E30-A 5/1/2002
Switches
The Controller contains three switches on the front panel:
■
Power
– a toggle switch that applies (position 1) and removes (position 0)
power to the Controller
■
Abort/Reset
– a pushbutton switch that aborts or resets the Controller
CPU when pressed
■
Sel/Loop
– a pushbutton that selects a span or initiates network loopbacks
when pressed
Bottom Row
LOS / OOF
Red
ON: Detected T1 / E1 Loss Of Signal or Out -Of-Frame condition.
OFF: Normal operation.
Yellow
Yellow
ON: Detected T1 / E1 yellow alarm.
OFF: Normal operation.
AIS
Yellow
ON: Detected Alarm Indication Signal.
OFF: Normal operation.
FE / CRC
Red
ON: Detected Framing Error or CRC error.
OFF: Normal operation.
BPV / PD
Red
ON: Detected Bipolar Violation or Pulse Density violation.
OFF: Normal operation.
Net
Red
ON: T1 / E1 Network loopback.
OFF: Normal operation.
Local
Yellow
ON: T1 / E1 Local loopback.
OFF: Normal operation.
Table 9-1
Front Panel LED’s
LED Name
LED Color
Function