The 907 video/data multiplexer provides digital transmission over 1 or 2 singlemode or multimode optical fibers for 3 high quality analog video channels and 6 bidirectional data channels (4 x RS-232 and 2 x RS485/422/TTL) in a single, compact PC/104 form-factor card.

Expansion cards may be stacked to convert (i.e. replace) data channels on the motherboard to other data formats, such as Ethernet, analog sonar, hydrophone and Tritech ARCNET, or to replace each motherboard channel with up to 8 lower data-rate serial channels. Optical power budgets are typical 20 - 24 dB with 2 km of multimode fiber or 10 km of singlemode fiber. LEDs provide on-board diagnostics for data, video and optical link status.


  • High quality digitized video
  • Standalone, single card multiplexer
  • Supports up to six 907 expansion cards
  • Standard PC/104 form factor
  • Rugged design for harsh environments, including pressure tolerant version
  • On-board diagnostic LEDs for power, optical link, and video sync
  • Wide range of supported video and data formats
  • Singlemode and multimode fiber options
  • CWDM expansion for high speed data links, such as HD-SDI, ECL and Gigabit Ethernet


  • Highest channel density allows extremely compact solution for space limited application
  • Easily reconfigured with a wide range of expansion cards including the same AIB plug-in modules used on the Model 903
  • Extended temperature options allows use in the harshest environments
  • Successful operation assured by factory acceptance test at temperature extremes and 20 years of experience providing technical support for fiber-optic systems
907-R/C Specifications
No. Channels 3
Format NTSC/PAL, RGB, Y/C (S-Video), YPrPb
Digitization 8-bit (3 video channels)
10-bit (2 video channels)
Bandwidth 6.0 MHz
SNR > 56 dB (62 dB typical)
Impedance 75 Ohms
RS-232 4 channels (120 kbps NRZ max.)
RS-485/422 2 channels RS-485 (2.5 Mbps NRZ max.)
Supports AC-coupled RS-485, TTL
Optical Fiber 1 or 2 singlemode (9/125 µm)
multimode (50/125 µm)
Baud Rate 600 Mbaud
Wavelength 1310/1550 nm standard
(CWDM optional, 1471 - 1611 nm)
Flux Budget > 20 dB (24 dB typical)
Options Bidi (bidirectional) transceivers
Power Supply +5.0 VDC ± 10%, regulated
Power Used 5 W typical (10 W max.)
Grounding Shared common for power, data, video
Dimensions PC/104 (form-factor only)
Weight < 120 g (0.26 lb)
Optical Single ST/PC
Video SMB
Data (Serial) 3 x 8-pin Molex (Micro-Fit Series)
Power 2‑pin Molex, 0.156 inch pin spacing
Temperature -10°C to +60°C (operational)
-40°C to +85°C (storage)
Humidity 85% RH, non-condensing
Vibration 5 g, 25 - 1000 Hz, 3 axes
Shock 30 g, 11 ms half sine, 3 axes

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Typical Applications

  • Subsea Remotely Operated Vehicles (ROVs) and tether management systems
  • Pipe inspection robots
  • Bomb disposal robots
  • Armoured vehicles