Interphase Tech ispan 5535 pri Manuel D’Utilisation
Interpreting Adapter LEDs
68
Interphase Corporation
LED functions differ depending on whether the adapter is
configured to operate in North America (with T1/PRI access),
in European countries other than France (with E1/PRI access
and CRC4), or in France (with E1/PRI access and no CRC
type).
configured to operate in North America (with T1/PRI access),
in European countries other than France (with E1/PRI access
and CRC4), or in France (with E1/PRI access and no CRC
type).
North America
In North America, the adapter LEDs for each port function are
as follows:
as follows:
In their operational state, the LEDs must be as follows:
LED
Color
Meaning if the light is ON...
1
Green
Clock is synchronized.
2
Green
Physical layer is active.
3
Yellow
Your ISDN provider is currently sending an RAI alarm
to the adapter.
to the adapter.
4
Red
Loss Of Signal (LOS), indicating no electrical power is
detected on the line.
detected on the line.
LED
Color
State must be...
1
Green
On
2
Green
On
3
Yellow
Off
4
Red
Off