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USB T/A) for the terminators setup, the default setting of ST adapter with terminator
enabled (DIP switch in ON). If there are other ISDN devices connected to the NT1
with ISDN T/A 128 ST adapter, and you do not need the ISDN T/A 128 ST adapter
as terminator, then please remove the JP1 and JP2 (open circuit, DIP switch in
OFF).
2. Insert the ISDN T/A 128 adapter
Turn off your computer power and remove the lid.
a.
Insert the ISDN T/A 128 adapter into a spare PC ISA (or PCI) slot and secure it.
b.
Replace the lid.
c.
If you have UI-1280ST (USB) device, you can connect to the USB port directly.
3. Analog device connection (DV model only)
" DV" model of ISDN T/A 128 adapter provides a POTS interface (a/b port) with
RJ-11 jack to connect with current analog devices. Users can connect analog
telephones, G3 fax, modem, or answering machine with the RJ-11 connector cable
into the RJ-11 jack of the ISDN T/A 128 adapter. In the UK an adapter is supplied to
convert from the UK type 103 plug to the US RJ-11 plug. The REN (Ringer
Equivalence Number) drive capability or parallel ring number is 3, so you can
connect up to 3 analog devices, assuming each device has a REN of 1.
4. ISDN connection
Connect the ST (IA128-ST, P-IN110-ST or UI-1280ST) adapter and NT1 with RJ-
45 cable connector, and insert the ISDN BRI line into the correct NT1 socket.
OR
Directly Insert the ISDN BRI line with the RJ-45 connector cable into the RJ-45 jack
on the U (IA128-U or IA128P-U) adapter. Please kindly be informed that even RJ-
45 connector has 8 pins and RJ-11 has 4 or 6 pins, but you can still plug cable from
wall jack with RJ-11 connector into RJ-45 jack on the U adapter. The ISDN T/A 128
U adapter still works correctly.
6
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