Interphase Tech iSPAN 5535 PRI User Manual
Page 91
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Chapter 7: Troubleshooting
iSPAN PRI PCI ISDN Users Guide
71
In their operational state, the LEDs must be as follows:
The following table describes the adapter status when the
sequence of LEDs appears as follows:
LED
Color
State must be...
1
Green
On
2
Green
On
3
Yellow
Off
4
Red
Off
LED1
LED2
LED3
LED4
Meaning
On
On
Off
Off
Adapter is operational.
On
Off
On
Off
Your E1/PRI line requires CRC4. Select
the CRC4 option. (See Setting Up ISDN
PRI Port Properties on page 56.)
On
Off
Off
Off
Your E1/PRI line requires CRC4. Select
the CRC4 option. (See Setting Up ISDN
PRI Port Properties on page 56.)
Off
Off
Off
Off
Either no electrical signal is on the
E1/PRI line, or your ISDN provider is
currently sending an AIS alarm to the
adapter.
Make sure your cable is plugged in
correctly.
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