
5
1.2 Connecting the Modem to the Computer
1 Make sure your computer is off.
2 If you are using an external modem, connect it to an unused COM port on your
computer with an RS-232 modem cable. If you are using an internal modem, follow
the modem manufacturer’s installation procedures.
3 Connect the telephone line to the modem.
4 Refer to Appendix E for 1200 baud modem DIP switch settings.
5 If there are DIP switches used for COM port selection, then you must set these
switches for whichever COM port you are using. Remember that the changes to the
DIP switch settings are not recognized by the modem until it is fully powered down
and then powered back up again. This can be done with the power switch on the
external modem or by turning the computer off and then on, if you are using an
internal modem.
It is important that your modem is not configured for a communications port that is
already being used by another device. This will result in both your modem and the
other device not working properly. The best option for an internal modem is to
configure your modem for COM port 2. COM port 1 is usually occupied by an RS-232
serial channel. However, if COM port 1 is unused, do not configure your modem for
COM port 2. If you encounter problems installing your modem, please refer to
Appendix H, Modem Troubleshooting.
External Modem
Operator's Side
RS232C Cable
Connected
to Serial Port
To Phone Line
DLS-1
PC-Link Adapter Connecting Cable DB-25 Serial Connector
1.3 Setting Up PC-Link
The PC-LINK adapter allows installers to perform on-site downloading of information
to supported panels faster and more easily than downloading via a modem. For
more information on PC-LINK refer to your PC-LINK Installation Instruction sheet.
1. Make sure your computer is off.
2. Connect the DB-25 Serial Connector provided with the PC-Link kit to an unused
COM port on your computer.
3. Connect the cable included with the PC-Link kit between the DB-25 Serial
Connector and the PC-Link Adapter.
4. Connect the Adapter to the panel as described in the PC-Link Installation Sheet.
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