Now that your site is set up in Lynx and you have completed unit configuration, you are ready to connect your
modems and site equipment to the system. We recommend configuring and testing your modems before taking
them to the remote site. You should also read the Command Relay and Wiring Interface installation instructions
(later in this chapter) before you go to connect your site equipment to them.
SUPPORTED MODEMS
Note: Changes in modem availability or functionality may result in new modem recommendations. The supported
modems are available from Burk Technology.
Dial-Up Connections
For dial-up connections, we support the US Robotics 56K V.92 External modem for use with the monitoring PC
and at the remote site. If you use an unsupported modem with your computer, it must be a full-feature internal
or external modem, compatible with the recommended US Robotics modem, and capable of 19.2kbps or faster
communication. The VRC2500 does not support cellular or software modems (such as a Winmodem
®
). Note that
some users of unsupported modems have reported trouble establishing the modem settings necessary to
communicate with the US Robotics modem at the remote site.
Full-Time Connections
For a full-time (two- or four-wire) connection, we support the Multi-Tech MultiModem II MT5600BL modem. If
you are using the previously recommended MT2834BL modem, you can find configuration instructions in the
support section of the Burk Technology website at www.burk.com.
DIAL-UP MODEM CONFIGURATION & CONNECTION
Configuration
The required DIP switch settings for the U.S. Robotics External modem are shown on the following page. When
connecting to a GSC3000 I/O, set DIP-switch 5 to the up position to enable Auto Answer. Leave switch 5 down
when the modem is used with a PC, when connected to the Voice Interface in a GSC3000 setup, or to the DIAL-
UP port on a VRC2500.
CUSTOMER SUPPORT: 978-486-3711 • [email protected] • www.burk.com
49
6
Modem & Site
Equipment Connections
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