SCP-PLL735-010-03H
PLL-735 Lists 1, 2 and 3
January 6, 2003
7
Table 3.
LED Descriptions
LED
Color
State
Description
PWR
Green
On, all other LEDs flashing
PLL-735 running in boot mode due to invalid
application program.
On, all other LEDs running downward
Software is being loaded into the PLL-735.
On, all other LEDs running upward
Software is being loaded into an RT connected to the
PLL-735.
On, FAULT flashing
DC power applied to the HDSL pair is out of normal
range.
On
HDSL is in sync between the PLL-735 and RT.
Flashing
HDSL is not in sync between the PLL-735 and RT.
Off
PLL-735 is not receiving CO battery.
SYNC
Green
On
HDSL is in sync between the PLL-735 and RT.
Flashing
HDSL is attempting to sync between the PLL-735 and
RT.
Off
No RT is detected.
MARGI
N
Yellow On
PLL-735 HDSL margin is below the preset threshold.
Flashing
RT HDSL margin is below the preset threshold.
Off
PLL-735 and RT margins are above the preset
threshold.
TEST
Yellow On
A subscriber drop test is in progress.
Off
No subscriber drop test is in progress.
FAULT
Red
On
PLL-735 has detected a fault.
Flashing
PLL-735 has an active alarm.
Off
No PLL-735 faults detected and no alarms active.
