American Fibertek MTM-3485, MTM-3485-4, MTM-3485-2, MTM-3485-2-12VDC, MRM-3485 Specsheet
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120 Belmont Drive • Somerset, NJ 08873 • 732-302-0660 • Fax: 732-302-0667 • Toll Free: 877-AFI-7200
e-mail: mail@americanfibertek.com www.americanfibertek.com
77
Single Fiber Bi-directional Transceivers
One-Way Video with Two-Way RS485
M3485
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............................................5%
Differential Phase ...........................................3°
SNR..............................................................60 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) ................................10 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: MTM-3485-4 to RRM-3485-4
The American Fibertek M3485 Series transmits high-quality, simultaneous
video with bi-directional RS485 on one singlemode optical fiber. RS485 can
be Two-Wire 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
M3485
Series
Transceivers
M3485
Series
Transceivers
one fiber
Model Numbers:
MTM-3485-2 Module Video Transmitter with 2 Wire RS485
MRM-3485-2 Module Video Receiver with 2 Wire RS485
RTM-3485-2 Rack Card Video Transmitter with 2 Wire RS485
RRM-3485-2 Rack Card Video Receiver with 2 Wire RS485
MTM-3485-4 Module Video Transmitter with 4 Wire RS485
MRM-3485-4 Module Video Receiver with 4 Wire RS485
RTM-3485-4 Rack Card Video Transmitter with 4 Wire RS485
RRM-3485-4 Rack Card Video Receiver with 4 Wire RS485
• For multimode product equivalent to the M3485 series please see the
M1485 series product.
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