American Fibertek MT-3485-4-12VDC, MT-3485-2-12VDC, MR-3485-4-12VDC, MR-3485-2-12VDC, RT-3485-2 Specsheet

120 Belmont Drive • Somerset, NJ 08873 • 732-302-0660 • Fax: [phone] • Toll Free: 877-AFI-7200

e-mail: [e-mail] www.americanfibertek.com

83

Single Fiber Bi-directional Transceivers
One-Way Video with Two-Way RS485

3485

SERIES

SINGLEMODE

FEATURES:

• Video with Two-Way RS485 Utilizing One
Singlemode Optical Fiber

• Compatible with NTSC; RS-170A &
RS-343A and PAL

• Diagnostics: Video, Power and
Optical Presence

• PFM Video Transmission

• Two Wire or Four Wire Interface ­Factory Set

• 12 VAC Standard

• Full Color Transmission

SPECIFICATIONS:

Video:

I/O Level......................................................1 Vpp

I/O Impedance.......................................75 Ohms

Bandwidth .................................................8 MHz

Differential Gain............................................3%

Differential Phase ...........................................2°

SNR..............................................................63 dB

Connector .....................................................BNC

Data:

Data Rate ...................................Up to 19.2 Kbps

Data Connector .................5 pin screw terminal

Optical:

Wavelength ..................................1300/1550 nm

Loss Budget (9/125µ) ................................21 dB

Dynamic Range..........................................21 dB

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

Temperature (Operating):

-40°C to +75°C, non-condensing

Power Supply:

Module - 12 VAC (AFI Part #: PS-12-VAC)
Rack Card - (See AFI Part #: SR-20/2)

Size:

Module - 8” x 6

1

⁄2”x 11⁄2”

Rack Card requires two rack slots - 6

1

⁄2” x 2” x 5”

ORDERING INFORMATION:

MT = Module Transmitter - Video Source
MR = Module Receiver - Control Site
RT =

Rack Card Transmitter - Video Source

RR = Rack Card Receiver - Control Site

Example: MT-3485-4 to RR-3485-4

V

< >

D

< >

The American Fibertek 3485 Series transmits high-quality, simultaneous video
with bi-directional RS485 on one singlemode optical fiber. RS485 can be Two­Wire or Four-Wire and is factory set. These systems require no field
adjustments at installation or additional maintenance thereafter. Diagnostic
indicators provide a quick visual indication of systems 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.

Video
RS485
RS485

Video
RS485
RS485

3485

Series

Transceivers

3485

Series

Transceivers

one fiber

Model Numbers:

MT-3485-2 Module Video Transmitter with 2 Wire RS485
MR-3485-2 Module Video Receiver with 2 Wire RS485
RT-3485-2 Rack Card Video Transmitter with 2 Wire RS485
RR-3485-2 Rack Card Video Receiver with 2 Wire RS485

MT-3485-4 Module Video Transmitter with 4 Wire RS485
MR-3485-4 Module Video Receiver with 4 Wire RS485
RT-3485-4 Rack Card Video Transmitter with 4 Wire RS485
RR-3485-4 Rack Card Video Receiver with 4 Wire RS485