American Fibertek MT-746C-SL, MR-746C-SL, RT-746C-SL, RR-746C-SL 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 (9/125µ).........................15 dB

Connector ........................................ FC/PC

Temperature (Operating)

-40°C to +75°C, non-condensing

Power Supply:

Rack Card – AFI SR 20/2

Size:

Rack Card :

2 rack slots .............................6½” x 5” x 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-SL to RR-746C-SL

The American Fibertek 746C-SL Series transmits four channels of highquality digitized video and one channel of multi-protocol dat a (RS485 (2 wire or 4 wire) or RS422 or RS232 or Manchest er) and a contact closure on one single mode 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-20R/1.

4 VIDEO

INPUTS

MT-746C-SL

RT-746C-SL

RS485 or RS422 or RS232 or Manchester and Contact Closure

ONE

SINGLEMODE

FIBER

746C-SL

SERIES

SINGLE MODE

OUTPUTS

MR-746C-SL

RR-746C-SL

RS485 or RS422 or RS232 or Manchester and Contact Closure

4 VIDEO