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Summary of Contents for Diamond Traffic Products Cascade
- Page 1 CASCADE MODEM Version : 2.00 Release : 2/14/2007 Manual Revision 2.01 Release: 09/18/2012 Diamond Traffic Products, Inc. P.O. Box 1455 76433 Alder Street Oakridge, OR 97463 Phone : (541)-782-3903 : (541)-782-2053 Email sales@diamondtraffic.com www.diamondtraffic.com...
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Page 2: Table Of Contents
3.2 Status Messages & Result Codes ..................14 3.3 Basic AT Commands ....................... 16 3.4 S-Register Summary ....................... 21 3.5 AT Command Applications ..................... 23 3.6 Factory Settings & Default States ..................24 Cascade Modem Manual Copyright © 2007 Diamond Traffic Products, Inc Page 2... -
Page 3: Introduction
1. Introduction The Cascade Modem is a high performance ultra low power modem designed to be used in the field or office. The Cascade Modem version 2 is available in a 57.6K extended temperature model only. Specifically designed for road side traffic monitoring equipment, the Cascade Modem contains many additional features to improve the quality and reliability of your data collection system. -
Page 4: Features
1.2. Features The Cascade Modem contains the following features and functions. (57.6K) Available in 57,600 Baud Extended Temperature Ultra Low Power Features, Functions, & Specifications: Ultra low power consumption, less than 50 microamperes in standby mode and only 50 milliamps in full operation. -
Page 5: Status Indicator Led
&C1 command. In this state, the connected Forced On repeat device has no way of determining when an actual connection has been made to the modem by a remote device. Cascade Modem Manual Copyright © 2007 Diamond Traffic Products, Inc Page 5... -
Page 6: Installation
1.4. Installation The Cascade Modem is easy to install. Simply connect the telephone line, serial cable (at 19200buad), and power connector and the modem is ready to use. It is highly recommended that you connect the surge suppressor lug directly to your ground rod (earth ground) using a minimum of 18 gage wire. -
Page 7: Modem Functions
(which many systems don't need). Connects the Shield of the DB9 to Connects the Shield of the DB9 to Power Input on the Modem. Ground on the modem. Cascade Modem Manual Copyright © 2007 Diamond Traffic Products, Inc Page 7... -
Page 8: Automatic Speed/Format Sensing
The Cascade Modem is trained to a selected speed with an AT [CR] training sequence. Thus, DTE, to modem interface speed, is locked in regardless of the connecting speed of a remote modem, (with minor restrictions, see the AT+MS command). -
Page 9: Modulation/Demodulation
2.5. Non-Volatile RAM (NVRAM) The modem stores the default settings in NVRAM to protect against failure on power loss or surges. The Cascade modem can store a default setup (done at the factory) to load when first powered. This factory default can be changed by the user with the following procedure. -
Page 10: Daa-Telephone Line Interface
The Cascade Modem is designed to meet North American telephone standards as set by FCC Part 68 and DOC. The telephone line interface is designed to meet 1000 VAC and 1500 volt peak surge isolation, among other parameters. -
Page 11: Rs232 Serial Interface
2.9. Ring Detect Relay The Cascade Modem can be purchased with an optional 1 Amp Relay Contact Closure. This circuit activates for approx. 2 seconds each time the phone rings, and provides a way for the user to connect other devices or systems to the modem which need a signal indicating a Ring. -
Page 12: Fcc Part 68 Information
FCC. Contact your telephone company if you have any questions about your phone line. In the event repairs are ever needed on the Cascade Modem they should be performed by Diamond Traffic Products or an authorized representative. -
Page 13: Modem Control
3. Modem Control 3.1. AT Command Format The Cascade Modem may be controlled by sending serial ASCII command sequences. After execution of the command, the modem returns a status message to indicate command is executed. Training the Modem The modem must be trained to match the DTE speed and parity so that it is able to recognize serial asynchronous commands sent to it. -
Page 14: Status Messages & Result Codes
28800 bps Connection CONNECT 31200 31200 bps Connection CONNECT 33600 33600 bps Connection CIDM Caller ID Detected FLASH Hookswitch Flash detected STAS UK Caller ID Alert detected Over current Condition Cascade Modem Manual Copyright © 2007 Diamond Traffic Products, Inc Page 14... - Page 15 CONNECT 50666 50666 bps Connection CONNECT 52000 52000 bps Connection CONNECT 53333 53333 bps Connection CONNECT 54666 54666 bps Connection UN-OBTAINABLE NUMBER DTMF Dial attempt on Pulse only Line Cascade Modem Manual Copyright © 2007 Diamond Traffic Products, Inc Page 15...
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Page 16: Basic At Commands
Each result code ends with a carriage return when numeric result codes are chosen. When full word result codes are chosen, a Line Feed and Carriage Return precede and follow each result code. Cascade Modem Manual Copyright © 2007 Diamond Traffic Products, Inc Page 16... - Page 17 Responses 0-5, 7 & 10 Speaker off Responses 0-8 & 10 Speaker until carrier received All Responses Speaker remains on speaker on after dialing until DCD active Z – Reset Cascade Modem Manual Copyright © 2007 Diamond Traffic Products, Inc Page 17...
- Page 18 N=0 Data Compression Disabled * N=1 Bidirectional Data Compression Enabled N=2 Data Compression Transmit Only N=3 Data Compression Receive Only %On – Answer Mode Answer in Answer Mode* Answer in Originate Mode Cascade Modem Manual Copyright © 2007 Diamond Traffic Products, Inc Page 18...
- Page 19 +CGI=n – Country Configuration 0 = Japan 9 = Australia A = Austria F = Belgium 16 = Brazil 1B = Bulgaria 20 = Canada 26 = China 27 = Columbia Cascade Modem Manual Copyright © 2007 Diamond Traffic Products, Inc Page 19...
- Page 20 – Min receive data rate (300-56000 bps) d – Max receive data rate (300-56000 bps) e – Min transmit data rate (300-56000 bps) f – Max transmit data rate (300-56000 bps) Cascade Modem Manual Copyright © 2007 Diamond Traffic Products, Inc Page 20...
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Page 21: S-Register Summary
Range: 0 to 127 Units ASCII Character Default 10 (Line Feed) Cascade Modem Manual Copyright © 2007 Diamond Traffic Products, Inc Page 21... - Page 22 Random Data hook. An attempt to drop the line before this timer expires will be ignored by the modem. Range: 0 to 255 Units Seconds Default Cascade Modem Manual Copyright © 2007 Diamond Traffic Products, Inc Page 22...
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Page 23: At Command Applications
The Dial Command may also be issued without a telephone number. ATD causes the modem to pick up the telephone line without dialing a number. Cascade Modem Manual Copyright © 2007 Diamond Traffic Products, Inc Page 23... -
Page 24: Factory Settings & Default States
3.6. Factory Settings & Default States Diamond Traffic Products pre-initializes all modems with the following command sequence: 57.6k Baud Model: AT&FE0M1Q0V0X1\N5\Q0&C1&D2S0=2 AT\T9+GCI=B5 (COUNTRY CODE =US) This sets the entire correct modem configuration into non-volatile memory so that it works on power up. This can also be sent through the Centurion Software in the modem setup initialization lines or through any terminal program manually.
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