Carrier Access Network Device Axxius 800 사용자 설명서
Axxius 800 - Release 2.2
9-7
ISDN BRI Card
LEDs
LEDs
There is an LED for each ISDN BRI on a card. The function for each LED is listed
below:
below:
State
Description
Off
Line U-interface is attempting synchronization, or BRI is
out of service.
out of service.
Red
Line alarm (LOS or self test failure)
Yellow
ES or SES has occurred.
Flashing yellow
Line U-interface is synchronized with customer equipment,
but is not passing customer data.
but is not passing customer data.
Flashing green
Line U-interface is in external loopback toward the switch at
the unit.
the unit.
Green
Normal (Line U-interface is active and transparently passing
customer data.)
customer data.)