CSC Product Information - COM300 (Discontinued)

Product Information - COM300 (Discontinued)

Replacement Product - COM310

9600 Baud Phone Modem/Synthesizer

Model	Temperature Range
COM300	-25 to +50°C
COM300 -XT	-55° to +80°C

Brochure

Manual

Features:

Allows anyone to call a COM300-equipped site from any phone (including cellular) to receive a verbal report of current site conditions.
Enables the datalogger to call you and recite a verbal warning if specified conditions occur.
Reports specific conditions or allows selection of information by pressing numbers on a touch-tone phone.
Contains a large number of words on the COM300 chip for constructing the verbal reports; customized words and phrases are also available.

General Description

Campbell Scientific's COM300 voice-synthesizer modem provides a CR510, CR10(X), CR23X, or CR5000 datalogger with speech capability, thus enabling the user to call the site for a spoken summary of real-time or historical data. The COM300 can also act as a standard modem, with data transmit rates up to 9,600 bps.

Specifications

Bell 212A, CCITT V.2, and V.32BIS compatible
Full duplex at 9600 and 1200 baud to datalogger
V.42 LAPM and MNP2-4 error correction
Hayes AT command set
RJ-11C telephone jack
FCC and IC (formally known as DOC) approval
Pulse or tone dialing
Current drain: 100 µA quiescent, 180 mA active
Direct connection to and powered by Campbell Scientific dataloggers
Supply requirements: 12 VDC power supply
Internally switches 12 VDC external power minimizing current drain
Logic levels: below 1.5 V inputs a low state and above 3.5 V inputs a high state. A low voltage level on the TX data input (pin 9) and RX data output (pin 4) represents a mark
Size: 5.2 x 1.7 x 3.6 in // 13.1 x 4.3 x 9.2 cm
Weight: 0.75 lbs // 0.34 kg

Questions? Please refer to the email address in this graphic if the adjacent link does not work.