Led Descriptions - ADC PG-PLUS PLL-733 Manual

LED Descriptions

LED D
ESCRIPTIONS
Table 2 describes the COLU front-panel LEDs in which n equals the EBS line. For further details, refer to
"Initialization Sequence" on page 7 and the "COLU Fault Indicators" on page 35.
Label Color
PWR Green
SYNC Green
MAR Yellow
Test Yellow
Fault Red
EBSn Green
Activity
6
PG-PLUS
PLL-733
LIST
PWR
SYNC
MARGIN
BYPASS
FAULT
EBS-1
EBS-2
EBS-3
EBS-4
Figure 2. Front Panel LEDs
Table 2.

LED Descriptions

Status Description
On HDSL line feed is normal
1 Hz Flash Problem with the COLU power supply or the HDSL line feed is
open
Off COLU is not receiving power or the fuse is blown
On HDSL line is in synchronization between the COLU and RT
Flash HDSL line is attempting to synchronize with the RT
Off Active RT is not detected
On COLU HDSL margin is below a preset level
1 Hz Flash RT margin is below preset level
Off HDSL margin is above a preset level
1 Hz Flash SDT is occurring, Activity LED 1 Hz flashes
Off No tests active
On Fault in the COLU
1 Hz Flash Active alarm at COLU or RT or both
Off No faults are detected at the COLU or RT
On Channel is off-hook or Active
8 Hz Flash Channel is ringing
1 Hz Flash Channel is in SDT
Off Channel is on-hook
January 6, 2003
Status LEDs
Active LEDs
Retaining Latch
SCP-PLL733-010-03H
PLL-733 List 1