American Fibertek MT-746C, MR-746C, RT-746C, RR-746C Specsheet
FOUR-CHANNEL DIGITAL VIDEO & MULTI-PROTOCOL
(
RS485/RS422/RS232/MANCHESTER & CONTACT
CLOSURE SYSTEM
Features:
Compatible with NTSC, (RS – 170A &
RS –343A), PA
and SECAM
Diagnostics: Video, Data, OLI, DC
Power and Digital Frame Sync
Full Color Transmission
RS485/422/232 Two Way Data
Real Time Video Transmission
Serial Digital Transmission
Specifications:
Video:
I/0 Level ...............................1 Vp-p (±3 dB)
I/0 Impedance .............................. 75 Ohms
Bandwidth .........................................7 MHz
Differential Gain ....................................2 %
Differential Phase.................................0.7 °
SNR (Unified Weighted).....................55 dB
Connector ........................................... BNC
Data:
Number of Channels........... 1 (Full Duplex)
Interface….485(2 or 4 Wire)/RS422/RS232
Data Format..............Asynchronous, Serial
Data Rate............................ DC to 115 Kbs
Connector ...............5 Pin Screw Terminals
Contact Closure
Input...................Switch Closure to Ground
Output ......................................Dry Contact
Response Time.................................. 2 mS
Max Voltage..............100 VDC or Peak AC
Max Current ....................................... 0.5 A
Connector……………………Terminal Block
Optical
Wavelength..........................1310/1550 nm
Loss Budget (62/125µ).........................8 dB
Maximum Distance .............................2 Km
(Limited by Fiber Dispersion)
Connector .............................................. ST
Temperature (Operating)
-40°C to +75°C, non-condensing
Power Supply:
Module : 12 VDC (AFI Part#: PS-12D)
Rackcard: SR20/2
Size:
Module-……………....81/8” x 41/8“ x 11/2 ”
Rack Card-2 rack slots.…….. 6½” x 5” x 2”
Maximum Loading:....7 Cards per SR-20/2
Ordering information:
RT=Rack Card Transmitter – Video Source
RR=Rack Card Receiver –Control Site
MT=Module Card Transmitter – Video Source
RR=Module Card Receiver –Control Site
Example: MT-746C to RR-746C
5/06
:
The American Fibertek 746C Series transmits four channels of high-quality
digitized video and one channel of multi-protocol data (RS485 (2 wire or 4
wire) or RS422 or RS232 or Manchester) and a contact closure on one
multimode optical fiber at 1310 and 1550nm. Designed to be completely
transparent to all camera and monitor manufacturers, this system requires no
field adjustments at installation or additional maintenance thereafter.
Diagnostic indicators provide a quick visual indication of system status.
Equipment may be ordered as stand alone modules or rack cards that are
mounted in the American Fibertek Card Cages: SR-20/2 or SR-20H/2
redundant power supply).
4 VIDEO
INPUTS
MT-746C
or
RT-746C
RS485 or
RS422 or
RS232 or
Manchester and
Contact Closure
ONE
MULTIMODE
FIBER
746C
SERIES
MULTIMODE
4 VIDEO
OUTPUTS
MR-746C
or
RR-746C
RS485 or
RS422 or
RS232 or
Manchester and
Contact Closure
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