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4 Troubleshooting
Possible remedies:
- Check the AVM ISDN-Controller T1/T1-B’s power
supply. The green “Power” LED must be lit.
- Make sure the cable from the PC interface card to
the T1 is connected to the upper socket on the
interface card.
- Make sure the cable is not damaged, and that it is not
more than 3 meters long.
- Make sure all sub-D connectors are secured with
finger screws.
- Make sure the PC interface card is seated snugly in
the PC bus slot.
- Verify the settings of the DIP switch block SW 1 and
the jumpers J-VCC-2 and J-VCC-4 on the PC interface
card. The DIP switch positions must match the board
number in the driver software configuration of the
given ISDN-Controller. The jumpers must be in the
“OFF” position.
4.3 After the ibase driver is loaded, the
“System” LED is not lit.
Cause:
The AVM ISDN-Controller T1 does not respond to
your PC.
Possible remedies:
- Check the AVM ISDN-Controllers T1/T1-B’s power
supply. The green “Power” LED must be lit.
- Make sure the cable from the PC interface card to
the T1 is connected to the upper socket on the
interface card.
- Make sure the cable is not damaged, and that it is not
more than 3 meters long.