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N2 Dialer Module—N2 Dialer Module (NDM) 15
The Modem Setup Utility, MODEM.EXE, included with HVAC PRO for Windows,
automatically sets modem codes for Hayes compatible
9600 baud modems. This utility can be used to set up the modem for connection to the
printer.
To use the Modem Setup Utility:
1.
Connect the modem to one of the PC’s serial ports (COM1 or COM2).
2.
At the
C:\WINPRO>
prompt, type
MODEM
. The following appears:
Modem Setup Utility
(c) Johnson Controls Inc. 1989-94 Revision 6.00
PC Serial Port (COM1, COM2):
COM1
Baud Rate (1200, 2400, 4800, 9600):
9600
Modem Type (LOCAL, REMOTE, PRINTER):
PRINTER
3.
Fill in the serial port, baud rate, and modem type as shown above.
After you have filled in the Modem Type and pressed Enter, the utility first checks
whether a modem is connected, and then sends the appropriate series of modem setup
commands shown below.
Wait for modem to respond with “OK”. Modem responded.
command = AT&F
command = ATE0L0Q1&D3 S0=1
command =AT&W0
Modem setup complete.
The following message might appear on the screen after the modem commands:
Modem did not respond with “OK”. Setup is unknown.
Please check the following:
- Modem power is on and a phone line connected?
- Do you have the correct cable configuration?
- The cable is connected to both the PC and the modem?
- You are using a supported modem?
This message means that either:
•
the modem is not communicating properly, in which case you should check each
condition in the list (e.g., modem on, correct cable)
•
or, you are using an unsupported modem that did not respond with a recognizable
message--in which case, you must verify the modem is working by checking the
modem user’s manual and verifying that the AT command strings listed above are
supported.
Note:
The Modem Setup Utility sets the following signals high: Modem Ready (MR),
High Speed (HS), and Auto Answer (AA). The printer must set Terminal Ready
(TR) to high.
Passive Printer
Modem Setup
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