France – Interphase Tech iSPAN 5535 PRI User Manual
Page 90
Interpreting Adapter LEDs
70
Interphase Corporation
The following table describes the adapter status when the
sequence of LEDs appears as follows:
France
In France, the adapter LEDs for each port function are as
follows:
LED1
LED2
LED3
LED4
Meaning
On
On
Off
Off
Adapter is operational.
On
Off
On
On
Your E1/PRI line does not support
CRC4 functionality. Deselect the CRC4
option. (See Setting Up ISDN PRI Port
Properties on page 56.)
On
Off
On
Off
Remote Alarm Indication (RAI). Your
ISDN provider has synchronization
problems and is reporting this problem
to you.
On
Off
Off
On
Your E1/PRI line does not support
CRC4 functionality. Deselect the CRC4
option. (See Setting Up ISDN PRI Port
Properties on page 56.)
Off
Off
Off
Off
No electrical signal is on the E1/PRI
line. Make sure your cable is plugged in
correctly.
LED
Color
Meaning when 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.
4
Red
No meaning.