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ISACC Instruction Manual
6. If you changed the position of the shunts, you must reset ISACC so the unit can recognize
the new configuration. To do this, press the reset button (a hole is provided in the acrylic
panel for easy access) or turn the ON-OFF switch off then on. If you did not reconfigure the
shunts, you do not need to reset ISACC.
7. Go to your terminal setup screen. Set the baud rate of the terminal to 9600 bps.
8. Press <RETURN>. You will receive the ISACC welcome screen. You are now online
with the unit and may begin programming and communication.
If you do not receive the ISACC welcome screen, there are only two possible problems. First,
the baud rates do not match. Double check that the terminal and ISACC are set to be the
same. If you are sure that they are correct, then you may need to add a null modem adaptor to
the terminal.
REMOTE COMMUNICATION VIA MODEM
To communicate with ISACC remotely, you must have a Hayes compatible modem installed
on your terminal. ISACC must be connected to an analog phone line (see Chapter 2: IN-
STALLATION: “Phone Line Installation”).
1. Go to your terminal setup screen. Next, you must set your terminal modem speed. The
calling modem (in this case, your terminal’s) establishes the baud rate of communication for
the receiving modem (ISACC). If the calling modem communicates at a faster speed than the
receiving modem can, there will be no communication. Therefore, set your terminal modem
rate to the fastest speed at which both the terminal modem and ISACC’s modem can commu-
nicate. For example:
If your terminal modem can communicate at 9600 bps, it can also communicate at 2400 bps,
1200 bps, and 300 bps. ISACC’s modem is a 1200 bps modem, it can communicate at 1200
bps and 300 bps. Set the terminal modem (calling modem) to call ISACC at 1200 bps because
this is the fastest that both can communicate. If you were to set the terminal baud rate to 300
bps, both will still communicate, but not at the optimum speed (not recommended).
NOTE: DO NOT RECONFIGURE THE SHUNTS AT LOCATION P10! ISACC’s
modem has a completely independent RS232 port that automatically configures
itself. The shunts at P10 are ONLY for local communication.
2. Type (in capital letters): ATZ
This will reset your terminal modem to recognize the new baud rate. You are now ready to
dial ISACC’s phone number.
3. Type (in capital letters): ATD followed by ISACC’s phone number. Or, if you want to dial
in touch-tones, type: ATDT followed by ISACC’s phone number. For example:
ATD5555674
ATDT5555674
4. Your modem will call ISACC. When it connects, you will receive the message CON-
NECT on your terminal screen, followed by the ISACC welcome screen. You are now online
and ready to begin programming and communication.