Campbell Scientific COM310 Voice Communications Modem - Manual (Page 7)

COM310 Voice Communications Modem
1. Introduction
The COM310 is a voice-synthesizer modem that supports the PakBus and
mixed-array dataloggers that have voice capability (see Section 4.3). The
COM310 allows them to announce by telephone the data stored in variables or
input locations, the status of control ports, and the status of user flags.
Included is the ability to toggle datalogger ports and flags. You can program a
datalogger so you can call-in to the station and listen to announcements, or so
the datalogger calls you with an announcement when specified conditions are
met, or you can program for both.
Although the primary function of the COM310 is voice communications, the
modem is also capable of data communications. In data mode the COM310
supports standard datalogger functions including program send and data
collection. The COM310 supports data callback from the CR1000, CR3000,
and other dataloggers with OSs that support it. The CR10X, CR510, and
CR23X mixed-array OSs support data callback but their PakBus OSs do not.
This manual provides information regarding COM310 specifications,
installation, and operation. Quick Start (Section 3) presents an example
CR1000 voice callback/callin program with descriptions of the code.
a Section 6.3 explains how to make a good earth ground connection to maximize
protection of the COM310 against lightning and electro-static discharge.
TIP RING GND
CAMPBELL
SCIENTIFIC
INC.
MADE IN USA
S/N 1002
Complies with Part 68, FCC rules. FCC Registration No. B9Q
USA-31402-M
M-T
Ringer Equivalence 0.5A.Required Connector USOC RJ11C.
This equipment complies with the requirements in Part 15 of FCC Rules for Class A
computing device. Operation of this equipment in a residential area may cause
unacceptable interference to radio and TV reception requiring the operator to take
whatever steps are necessary to correct the interference.
COM310
VOICE SYNTHESIZER
12V G
FIGURE 1. COM310 Voice Synthesizer Modem
1