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COM300 Voice Communication Modem
1. Introduction
The COM300 voice-synthesizer modem allows Campbell Scientific's voice
capable dataloggers to transmit, by voice announcement, data stored in input
locations and the current status of datalogger control ports and user flags. With
voice communication enabled, a user can call a datalogger site and listen to
announcements, or the datalogger can be programmed to initiate voice calls
when alarm conditions are met. Though voice communication is the primary
function of the COM300 modem, the device is also capable of standard modem
communications.
This manual provides information specific to the COM300 hardware, including
specifications, installation, and operation. Installation of the LoggerTalk Voice
Communication Programming Software is covered, but use of the software is
detailed in the software's on-line documentation.
2. Hardware and Software Requirements
2.1 COM300 Modem
The COM300 modem (Figure 1) is required at the datalogger site to activate
voice communication. The modem is shipped with an SC12 cable (9-pin to 9-
pin) to connect it to the datalogger's communication port. Surge protection at
the datalogger site is required if it is not installed by the phone company. CSI
offers a surge protector with or without environmental enclosure mounting
hardware (model 6362 and 2372-01, respectively).
The modem’s communication port is configured to be compatible
with Campbell Scientific’s CS I/O port. This is not a standard
RS232 connection. Refer to Appendix A for the configuration of
this connector.
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COM300
VOICE SYNTHESIZER
12V
G
FIGURE 1. COM300 Voice Synthesizer Modem
NOTE