Paradyne HOTWIRE 7925, Руководство пользователя

Страница: 37 / 58

Monitoring the Unit
6-7
7925-A2-GB20-30
PRELIMINARY DRAFT
June 1997
V.35-Compatible Unit
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.
TERMINAL
E1 HDSL
DTR DSR Loop BkPWR FAIL Loop A Loop B
7900
CTS RT
S
RXD TXD
97-15263
LED Meaning
Loop Bk A bilateral loopback has been initiated for testing the equipment
connected to this unit.
PWR Power is applied to the unit.
FAIL The processor has halted and repairs are required.
Loop A A failure in HDSL Loop A. (The LED will blink at board power up until the
loop has been synchronized.)
Loop B A failure in HDSL Loop B or the loop has been disabled. (The LED will
blink at board power up until the loop has been synchronized.)