24
ISDN TA/V
4) Insert the male end of the supplied V.24/V.28 DTE connecting cable
into the connector marked
DTE
on back of the ISDN TA/V, and tighten
the locator screws to secure the cable to Terminal Adaptor.
The cable requirement of the DTE interface when it is configured to
conform to the electrical characteristics of X.21 (V.11) or V.36 are given
in
Appendix A
. If the interface is going to be configured to conform to
one of these ITU recommendations, a suitable cable should be used in
place of the supplied V.24/V.28 DTE cable. The ISDN TA/V will then
autosense the interface standard if the connecting cable is wired as shown
in
Appendix A
.
5) Plug the other end of the connecting cable into the serial port on the
back of your computer or other DTE, and tighten the locator screws.
6) Using the ISDN service cable supplied, plug the jack end into the socket
marked LINE on the back of the ISDN TA/V. Note that any ISDN TA/V
can be damaged by lightning. When the possibility of lightning is high,
unplug this connection to the telephone line.
Warning
Interconnection directly or by way of other apparatus, of ports marked
“SAFETY WARNING see instructions for use” with ports marked or not
so marked, may produce hazardous conditions on the network. Advice
should be obtained from a competent engineer before such a connection
is made.
7) Optionally connect an asynchronous VT100™ terminal to the
CONTROL
port of the ISDN TA/V. This terminal can then be used to
send AT configuration and dialing commands to the ISDN TA/V, and
also to access the internal management interface.
Note that this terminal connection need not be used if the DTE interface
is configured to accept asynchronous AT commands (default
configuration setting). A PC or terminal connected to the
CONTROL
port must be configured to use 8 data bits no parity and 1 stop bit as the
communications format, running at 9600 bps.
