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User Manual for COMNET 24-Channel Digital Video Transmitter & 8-Channel Bidirectional Data Transceiver Click to enlarge the picture
Contents of the user manual for the COMNET 24-Channel Digital Video Transmitter &
- Product category: Signal Extenders COMNET
- Brand: COMNET
- Description and content of package
- Technical information and basic settings
- Frequently asked questions – FAQ
- Troubleshooting (does not switch on, does not respond, error message, what do I do if...)
- Authorized service for COMNET Signal Extenders
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User manual for the COMNET 24-Channel Digital Video Transmitter & contain basic instructions
that need to be followed during installation and operation.
Before starting your appliance, the user manual should be read through carefully.
Follow all the safety instructions and warnings, and be guided by the given recommendations.
User manual is an integral part of any COMNET product,
and if it is sold or transferred, they should be handed over jointly with the product.
Following the instructions for use is an essential prerequisite for protecting
health and property during use, as well as recognition of liability on the part of the manufacturer
for possible defects should you make a warranty claim. Download an official COMNET user manual in which you will find instructions on how to install, use, maintain and service your product.
And do not forget – unsuitable use of a COMNET product will considerably shorten its lifespan!
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Product description The 24-Channel Digital Video Transmitter & 8-Channel Bidirectional Data Transceiver from ComNet utilizes 10-bit digital encoding and decoding to provide high-quality video transmission that meets the requirements of EIA RS-250C for short-haul video transmission. This environmentally-hardened unit transmits 24 independent video channels and eight bidirectional data channels over one optical fiber for use in unconditioned roadside or out-of-plant installations. It is completely transparent to and universally compatible with any NTSC, PAL, or SECAM CCTV camera systems, while data channels can be set independently for RS-232, RS-422, and 2- or 4-wire RS-485, Sensornet, bi-phase, and Manchester. Plug-and-play design ensures ease of installation and no electrical or optical adjustments are ever required. Bi-color (red/green) LED indicators are provided for rapidly ascertaining equipment operating status. -
- 10-bit digitally encoded video transmission
- Transmits 24 real-time/full frame color video signals and 8 bidirectional data signals on one optical fiber
- Supports RS-232, RS-422, and 2- or 4-wire RS-485, Sensornet, bi-phase, and Manchester
- Meets all requirements for EIA RS-250C short-haul transmission to provide high video performance
- Low video distortion with zero performance variation versus optical path loss
- Compatible with all NTSC, PAL, or SECAM CCTV camera systems
- Tested and certified for full compliance with environmental requirements (ambient operating temperature, mechanical shock, vibration, humidity with condensation, high-line/low-line voltage conditions and transient voltage protection) of NEMA TS-1/TS-2 and the Caltrans specification for
- Traffic signal control equipment
- Voltage transient protection on all power and signal input/output lines provides unconditional protection from power surges and other voltage transient events
- Design ensures high reliability in unconditioned out-of-plant environments
- Bi-color (red/green) LED status indicators provide rapid indication of critical operating parameters
- Ideal for high-performance CCTV systems
In the Box COMNET 24-Channel Digital Video Transmitter & 8-Channel Bidirectional Data Transceiver DC Plugin Power Supply RJ45-to-RJ45 Breakout Wiring Kit Limited Lifetime Warranty Table of Contents
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Technical parametersCOMNET FVT240D8S1 Specs | Video Input | 1 V p-p (75 Ohms) | | Overload | >1.5 V p-p | | Video Input / Output | 24 channels | | Bandwidth | 10 Hz to 6.5 MHz per channel | | Differential Gain | <2% | | Differential Phase | < 0.7° | | Tilt | <1% | | Signal-to-Noise Ratio | 67 dB at maximum optical loss budget | | COAX | Distance: 300' / 100 m camera to fiber optic module to maintain 6 MHz bandwidth | | Data Channels | 8 | | Data Interface | RS-232, RS-422, and RS-485 (2/4 W) | | Data Format | NRZ, NRZI, Manchester, Bi-phase, and Sensornet | | Data Rate | DC-250 kb/s (NRZ) | | Bit Error Rate | <1 in 1010 at maximum optical loss budget | | Operating Mode | Simplex or full-duplex | | Wavelength | Single mode 9/125 μm | | Number of Fibers | 1 | | Maximum Distance | 35 mi / 54 km | | LED Indicators | Video sync presence for each video channel
Transmitted data
Optical carrier detect | | Optical Emitter | Laser diode | | Optical Connector | ST | | Optical Power Budget | 18 dB | | Power | Terminal block | | Video | BNC (gold-plated center-pin) | | Data | 5 x RJ45 (included) | | Power | 90 to 264 VAC at 70 W maximum | | Output Voltage | 9 VDC +/- 5% at 6.5 A at 167°F / 75°C | | Fuse | 1.25 A slow blow (rack power supply) (plugin modules individually electronically fused) | | Current Protection | Automatic resettable solid-state current limiters | | Circuit Board | Meets 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 Humidity | 0 to 95% (non-condensing) | | Dimensions (L x W x H) | 19 x 7.5 x 6.0" / 48 x 19 x 15 cm | | Weight | 1.0 lb / 0.4 kg |
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