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L1, L2, and L3 lights turn red:
This means that the driver is not loaded. For Windows 95 users,
first check the Netscalibur's network properties in the Device
Manager for resources conflicts. An interrupt or IO address
conflict will prevent the driver from loading. You can access the
Device Manager by moving the mouse cursor to My Computer
follow by clicking on the right mouse button to bring out the
properties sheet. Afterwards, click on properties to go to
System Properties and then select Device Manager folder. Go
down to network adapters and double-click on Netscalibur
ISDN ISA-PnP to check Resources for conflicts. For Windows
NT users, you should bring up the Windows NT diagnostic in
Administrative tools to check for resource conflicts.
The red lights may also be caused by a bad cable or cable
connection. Check the ISDN RJ-45 to the phone jack and make
sure they are properly inserted.
L1 lights turn green but L2 and L3 remain red: This is
normal if the phone company uses Point-to-Point protocol. The
light will turn green once the connection has been established.
Otherwise, it means that the driver is loaded but the switch type,
SPID numbers, or the phone numbers for ISDN are incorrect.
First check the switch type, SPID numbers, and phone numbers
in the Start -> Programs -> Accessories -> ISDN tools -> ISDN
Configuration Wizard. Make sure you enter the correct SPID
numbers, phone numbers, and switch type. This information is
supplied by the phone company. If you do not know the switch
type, please select AUTO instead.
Ch1 and Ch2 remain red:
This is normal. The B Channel Activity light will turn green
only after the connection has been established. Otherwise, they
will remain red. If Ch1 turns green but Ch2 remains red, it
means that only channel 1 is connected.
The ISDN diagnostic tool does not work under
Windows NT 3.51. It will work under Windows
95 and Windows 4.0.
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