Front Panel Leds; Dsx-1-Compatible Unit - Paradyne HOTWIRE 7924 User Manual

Front Panel LEDs

DSX-1-Compatible Unit

7924-A2-GB20-20
Upon power up, the first three LEDs blink in sequence, indicating a successful
start configuration. The green PWR LED lights whenever power is applied to the
board. Loop LEDs blink until the loop has been synchronized and then remain off.
T1 HDSL
TERMINAL
LED Meaning
Local The local T1 interface has a loss of signal.
Remote The remote T1 interface has a loss of signal.
Loop Bk A loopback has been initiated for testing the equipment connected to this
unit. Refer to Chapter 7,
PWR Power is applied to the unit.
FAIL The processor has halted and repairs are required.
Loop A When lit, this LED indicates that HDSL Loop A has failed.
When blinking, this LED indicates HDSL Loop A is synchronizing with the
far-end unit (as occurs when the units are coming up after a reset).
When not lit or blinking, Loop A is enabled and synchronized.
Loop B When lit, this LED indicates that HDSL Loop B has been disabled (only
Loop A is in use) or has failed.
When blinking, this LED indicates HDSL Loop B is synchronizing with the
far-end unit (as occurs when the units are coming up after a reset).
When not lit or blinking, Loop B is enabled and synchronized.
August 1997
NETWORK SYSTEM HDSL
Testing ,
for more information.
Monitoring the Unit
TM
TM
7900
7900
97-15312
6-5