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Intrusion Alarm Systems | C900 Dialer Capture Module
C900 Dialer Capture Module www.boschsecurity.com
The C900 Dialer Capture Module links an alarm panel’s digital dialer to a host computer. One side of the C900 connects to the Public Switched Telephone Network (PSTN) and the digital dialer’s telephone company interface, and the other side to the host computer’s RS-232 serial port. When the dialer has something to report, the C900 provides the signals and voltages necessary to simulate a connection to the central station through a PSTN. The C900 then decodes the transmitted digital dialer message and presents the decoded signals to the host computer. When the host computer acknowledges receipt of the message, the C900 transmits an appropriate acknowledge message to the dialer. True end-to-end security is maintained in this manner. Functions Three Inputs Monitored by A/D Converters The C900 has three inputs monitored by A/D converters. They serve the following functions: • Input 1: Used as an end-of-line (EOL) supervised loop. If status reports are enabled, then any voltage above 3.33 VDC is reported as an open condition to the host. Any voltage below 1.66 V is reported as a short. Input 1 must be EOL terminated with a 10 kΩ resistor.
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Three inputs monitored by analog to digital (A/D) converters
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Four open-collector outputs
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Intercept and Fallback modes
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Two status LEDs
• Input 2: Used for Intercept Inhibit. If Input 2 rises above 1.66 V, then the C900 is immediately forced into Fallback Mode for a minimum of 2 min. Input 2 must go low for at least 5 sec to be considered low. Input 2 is intended for connecting to a fire bell to force fire reports to be sent digitally. If Input 2 is unused, it may be left disconnected. • Input 3: Used for Intercept Override. If Input 3 rises above 1.66 V for 5 sec, then the C900 enters into Fallback Mode. If Input 3 goes low, then the C900 will return to Intercept Mode. If this input is driven by a ground start relay output, the C900 will stay in Fallback Mode except when the dialer wishes to dial. Input 3 cannot force an intercept if the C900 is in Fallback Mode due to an error, a command, or an Input 2 high condition. If Input 3 is unused, it may be left disconnected.
Four Open-Collector Outputs The C900 has four open-collector outputs: • Output 1: Active (shorted to ground) as long as the CPU is functioning normally. If the CPU fails to operate or the CPU loses power, Output 1 opens. • Output 2: Active as long as the host computer is working properly, and open when the host computer has failed. • Output 3: Active whenever the C900 is in Intercept Mode. • Output 4: Controlled by command from the host computer (default is open).
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Intercept and Fallback Modes In Intercept Mode, the C900 connects the house phone directly to the telephone company, and connects the digital dialer to its internal telephone company simulation electronics. In Fallback Mode, the C900 connects the house phone to the dialer and the dialer to the telephone company, shunting itself out of the phone circuit. Intercept Mode is maintained only if the C900 CPU is functioning (Output 1 held low). Fallback Mode is thus ensured in the event of a CPU lockup. Two Status LEDs The C900 has two LEDs that indicate its status: • Dialer LED: indicates the status of the digital dialer interface. • System LED: indicates the status of the host computer and the C900 itself.
Installation/configuration notes Compatibility Information Compatible Panels
Easy Series, D9412G, D7412G, D7212G, D9412GV2, D7412GV2, D7212GV2, D6412, D4412, D2212B, D2212BE
Ring Equivalence Number (REN) The C900 does not have a REN, but the control panel and the phone RENs should add up to less than three. Technical specifications Enclosure Dimensions:
8.3 cm x 14 cm (3.25 in. x 5.5 in.)
Environmental Considerations Temperature (Operating):
0°C to +49°C (+32°F to +120°F)
Power Requirements Current Draw:
100 mA
Voltage Range:
9.6 VDC to 15.0 VDC
Ordering information C900 Dialer Capture Module
Provides three inputs and two status LEDs. Order number C900 Accessories D137 Mounting Bracket
Used to mount accessory modules in D8103, D8108A, and D8109 enclosures. Order number D137
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Represented by: Americas: Bosch Security Systems, Inc. 130 Perinton Parkway Fairport, New York, 14450, USA Phone: +1 800 289 0096 Fax: +1 585 223 9180
[email protected] www.boschsecurity.us
Europe, Middle East, Africa: Bosch Security Systems B.V. P.O. Box 80002 5617 BA Eindhoven, The Netherlands Phone: + 31 40 2577 284 Fax: +31 40 2577 330
[email protected] www.boschsecurity.com
© Bosch Security Systems 2013 | Data subject to change without notice 2545130635 | en, V1, 01. Oct 2013
Asia-Pacific: Robert Bosch (SEA) Pte Ltd, Security Systems 11 Bishan Street 21 Singapore 573943 Phone: +65 6571 2808 Fax: +65 6571 2699
[email protected] www.boschsecurity.asia
China: America Latina: Bosch (Shanghai) Security Systems Ltd. Robert Bosch Ltda Security Systems Division 201 Building, No. 333 Fuquan Road Via Anhanguera, Km 98 North IBP CEP 13065-900 Changning District, Shanghai Campinas, Sao Paulo, Brazil 200335 China Phone: +55 19 2103 2860 Phone +86 21 22181111 Fax: +55 19 2103 2862 Fax: +86 21 22182398
[email protected] www.boschsecurity.com.cn www.boschsecurity.com
