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GE Security Product Data Sheet
www.GESecurity.com
KTD-312
Interface Module
Overview
The KTD-312 is a multi-functional device that can be field programmed
to operate as a computer interface or data merger. It is designed for
use in a Digiplex® system.
Outstanding Features
The KTD-312 features a DTMF input port. It provides an RJ45
connector for the RS232 interface. All other cable connections are
made on a removable terminal strip. An RJ45 connection cable,
RJ45-to-DB9 adapter, and 9 VAC power transformer are included with
the unit.
When used as a computer interface, the KTD-312 establishes a
communication link between a Digiplex CCTV control system and an
external computer. This feature enables the computer to monitor
alarms, download information, and control a variety of Digiplex system
devices. These include PTZ domes and receivers, matrix switchers,
and auxiliary receivers. Components are controlled via seven-character
ASCII strings. A limited number of functions may be transmitted from
the KTD-312 to the computer via five-character ASCII strings.
Standard Features
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When operating as a data merger, the KTD-312 can combine two
Digiplex RS422 control signals into one common output signal.
Functions as a computer interface or data merger
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Field programmable
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Simple seven-character ASCII control commands
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Selectable baud rates
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RS232 interface port
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DTMF input port
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Simple connections
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LED status indicator light
KTD-312
Interface Module
Specifications
Electrical
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Input voltage: 9 VAC or 12 VDC
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Input power: 3.6 VA
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Input computer port: RS232
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Input Digiplex port: RS422
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Input call signal: DTMF, 0.5 V to 3.0 V pk-pk
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Output Digiplex port: RS422
Data
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RS232 speed interface mode: 2400/9600 baud, input and output
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RS422 speed merger mode: 2400/4800 baud, output only
Protocol: Asynchronous, 8 data bits, no parity, 1 stop bit. ASCII, LSB
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first, MSB=0, CTS used
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DB9 pinout:
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Pin 2: RXD (data to computer)
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Pin 3: TXD (data from computer)
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Pin 5: COM (data ground)
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Pin 7: RTS (request-to-send)
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Pin 8: CTS (clear-to-send)
Functions Reported
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Alarm on, alarm off, annunciate, annunciate cancel
Display
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Bi-colored LED, data transmit and receive
Connections
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Power: 5 mm jack
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Computer data: RJ45 modular jack to DB9 connector
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Digiplex port: 8-position removable terminal strip
Mechanical
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Weight: 7 oz (200 g)
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Construction: 0.050 in (1.27 mm) aluminum
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Finish: Black anodized
Ratings and Certifications
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UL listed
Commands Recognized
Autopan, relay on, relay off, find preset, set preset, universal cancel,
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camera select, sequence, alarm enable, clear screen, annunciate,
annunciate cancel, alarm on, alarm off, time/date, auto focus, face
video, badge video
Overhead video, door 1 video, door 2 video, talk, zoom in, zoom out,
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focus near, focus far, iris open, iris close, gate open, gate close, tilt
up, tilt down, pan left, pan right, pan slow, pan fast, door 1 open, door
2 open
Related Diagram Ordering Information
GE Security
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www.GESecurity.com
Mailing Address
4575 Research Way, STE 250
Corvallis, OR 97333 USA
www.GESecurity.com
Americas
800-469-1676 (US only)
tel 541-754-9133
fax 541-754-7162
Asia
tel 852-2907-8108
fax 852-2142-5063
Australia
tel 61-3-9259-4700
fax 61-3-9259-4799
Europe
tel 32-2-725-11-20
fax 32-2-721-86-13
Latin America
tel 305-267-4301
fax 305-267-4300
As a company of innovation, GE Security reserves the right to change product specifications without notice. For the latest product specifications, visit GE Security online at www.GESecurity.com or contact your GE Security sales representative.
IPS-KTD-312-2004-06-15 02:02:05 [NOT RELEASED]