Section 363-712-100
Revision 02
Page 6
7. FRONT PANEL
7.01
The front panel of the FLL-712 COT Line Unit
contains the following indicators and connector
(see Figure 1):
•
POWER LED Indicator
Green—power is applied and the line feed is
normal.
Off—the system is not receiving power. The COT
Line Unit fuse may have blown.
•
LOOP 1 SYNC LED Indicator
Green—HDSL line 1 is in sync between the COT
and RT.
Flashing Green—HDSL line 1 is attempting to
synchronize with the remote unit.
Off—HDSL line 1 does not detect an active
remote unit.
•
LOOP 1 MARGIN LED Indicator
Yellow—HDSL line 1 margin is below a preset
level.
Off—HDSL line 1 margin is above the preset
level.
•
LOOP 2 SYNC LED Indicator
Green—HDSL line 2 is in sync between the COT
and RT.
Flashing Green—HDSL line 2 is attempting to
synchronize with the remote unit.
Off—HDSL line 2 does not detect an active
remote unit.
•
LOOP 2 MARGIN LED Indicator
Yellow—HDSL line 2 margin is below a preset
level.
Off—HDSL line 2 margin is above the preset
level.
•
TEST LED Indicator
Yellow—a subscriber drop or diagnostic test has
been activated on any unit in the system.
Off—there are no tests activated in the system.
•
FAULT LED Indicator
RED—there is a fault in the system.
Off—no faults are detected in the system.
•
RS-232 DB-9F Connector
This connector is used by technicians to configure
the PG-Flex.
