ZyXEL Communications omni series User Manual
Installing omni External Models 13
S/T Interface
If you have purchased the omni S/T model, you will need an NT-1
device to connect to the network.
device to connect to the network.
To connect your U-interface omni to your ISDN line complete the
steps below:
steps below:
•
Connect the RJ-45 connector to the “ISDN S/T” jack on the back
of the omni.
of the omni.
•
Connect the other end of the RJ-45 cable (or RJ-11) to your
NT-1.
NT-1.
Figure 2-3 Hooking Up an NT-1 Device
Power On and Self Diagnostics
Once you have completed all of the installation steps above, flip the
omni’s On/Off switch to the ON (up) position.
omni’s On/Off switch to the ON (up) position.
The unit should cycle through a self test sequence, where you should
see a series of LED lights blinking (LED, B1, B2, AA). After this
cycle is complete, the PWR light should stay on.
see a series of LED lights blinking (LED, B1, B2, AA). After this
cycle is complete, the PWR light should stay on.
If the test routine fails, the LNK LED flashes. Refer to Chapter 15,
for more information on self-tests and error codes.
for more information on self-tests and error codes.
If you have a communication program loaded and active (connected
to the same serial port as the omni), you should see the DTR LED
should be ON after the self test.
to the same serial port as the omni), you should see the DTR LED
should be ON after the self test.