COMNET 28-Channel Single-Mode 10-Bit Digital Video Transmitter with 8 Bi-Directional Data Channels

BH #COFVT280D8S1 • MFR #FVT280D8S1
COMNET 28-Channel Single-Mode 10-Bit Digital Video Transmitter with 8 Bi-Directional Data Channels
Special Order
Expected availability: 7-10 business days
$1583/mo. suggested payments
with 12 Mos. Promo Financing* 

Important Notice

  • This item is noncancelable and nonreturnable.
Protect your Gear
Add a protection plan from $779.99

Ezra K., B&H Surveillance Expert

True Know-How

Ask Our Experts


COMNET FVT280 Overview

The 28-Channel Single-Mode 10-Bit Digital Video Transmitter/Data Transceiver from ComNet utilizes 10-bit digital encoding and decoding for high-quality video transmission that meets the requirements of EIA RS-250C short-haul video transmission. It transmits 28 real-time/full frame color video signals and 8 bi-directional data signals over one single-mode optical fiber. This unit is universally compatible with any NTSC, PAL, or SECAM CCTV camera systems. The data channels can be set independently for RS232, RS422 and 2 or 4-wire RS485, Sensornet, Bi-phase, and Manchester. The environmentally hardened transmitter unit is suitable for use in unconditioned roadside or out-of-plant installations. Its plug-and-play design ensures ease of installation with no electrical or optical adjustments required.

Compatible with

All NTSC, PAL, or SECAM CCTV camera systems
10-bit digital video transmission—transmits 28 real-time/full frame color video signals and 8 bi-directional data signals on one optical fiber
Maximum transmission distance up to 22 mi (36 km)
High video performance—meets the requirements of EIA RS-250C short-haul transmission
Low video distortion with zero performance variation verses optical path loss
Complies with the environmental requirements of NEMA TS-1/TS-2 and the Caltrans Specification for Traffic Signal Control Equipment, such as ambient operating temperature, mechanical shock, vibration, humidity with condensation, high-line/low-line voltage conditions and transient voltage protection
Voltage transient protection on all power and signal input/output lines provides unconditional protection from power surges and other voltage transient events
Robust design ensures high reliability in unconditioned out-of-plant environments
Bi-color (red/green) LED status indicators provide rapid indication of critical operating parameters
Suitable for high-performance CCTV applications


Video Input1 V p-p (75 Ohms)
Overload>1.5 V p-p
Number of ChannelsInput/Output: 28
BandwidthMinimum: 10 Hz to 6.5 MHz per channel
Differential Gain<2%
Differential Phase<0.7°
Signal-to-Noise Ratio (SNR)67 dB (typical)
Maximum DistanceMaximum RG-59 Coax Distance: 300' (100 m) camera to fiber optic module to maintain 6 MHz bandwidth
Data Channels8
Data InterfaceRS232, RS422 and RS485 (2 W/4 W)
Data FormatNRZ, NRZI, Manchester, Bi-Phase, and Sensornet
Data RateDC-250 Kb/s (NRZ)
Bit Error Rate<1 in 10-10 @ maximum optical loss budget
Operating ModeSimplex or full-duplex
WavelengthSingle-mode 9/125µm
Number of Fibers1
Optical Power Budget18 dB
Transmission Distance22 mi (36 km)
LED IndicatorsVideo sync presence for each video channel
Received data
Transmitted data
Optical carrier detect
Optical EmitterLaser diode
Optical ConnectorST
Power ConnectorTerminal block
Video ConnectorBNC (Gold plated center-pin)
Data Connector5 x RJ45 (included)
Voltage Range90 to 264 VAC (operating voltage)
Power Consumption70 W (maximum)
Output Voltage9 VDC ± 5% at 6.5 A @ 167°F (75°C)
Fuse1.25 A slow blow (rack power supply) Plug-in module individually electronically fused
Current ProtectionAutomatic resettable solid-state current limiters
Circuit BoardMeets IPC standard
MTBF>100,000 hours
Operating Temperature-40 to 167°F (-40 to 75°C)
Storage Temperature-40 to 185°F (-40 to 85°C)
Relative Humidity0 to 95% (non-condensing)
Dimensions19 x 7.5 x 6" (48 x 19 x 15 cm)
WeightNot specified by the manufacturer
See any errors on this page? Let us know