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User Manual for COMNET 28-Channel Single-Mode 10-Bit Digital Video Transmitter with 8 Bi-Directional Data Channels Click to enlarge the picture
Contents of the user manual for the COMNET 28-Channel Single-Mode 10-Bit Digital Video
- 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 28-Channel Single-Mode 10-Bit Digital Video 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 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
In the Box COMNET 28-Channel Single-Mode 10-Bit Digital Video Transmitter with 8 Bi-Directional Data Channels Limited Lifetime Warranty Table of Contents
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Technical parametersCOMNET FVT280D8S1 Specs | Video Input | 1 V p-p (75 Ohms) | | Overload | >1.5 V p-p | | Number of Channels | Input/Output: 28 | | Bandwidth | Minimum: 10 Hz to 6.5 MHz per channel | | Differential Gain | <2% | | Differential Phase | <0.7° | | Tilt | <1% | | Signal-to-Noise Ratio (SNR) | 67 dB (typical) | | Maximum Distance | Maximum RG-59 Coax Distance: 300' (100 m) camera to fiber optic module to maintain 6 MHz bandwidth | | Data Channels | 8 | | Data Interface | RS232, RS422 and RS485 (2 W/4 W) | | Data Format | NRZ, NRZI, Manchester, Bi-Phase, and Sensornet | | Data Rate | DC-250 Kb/s (NRZ) | | Bit Error Rate | <1 in 10-10 @ maximum optical loss budget | | Operating Mode | Simplex or full-duplex | | Wavelength | Single-mode 9/125µm | | Number of Fibers | 1 | | Optical Power Budget | 18 dB | | Transmission Distance | 22 mi (36 km) | | LED Indicators | Video sync presence for each video channel
Received data
Transmitted data
Optical carrier detect
Power | | Optical Emitter | Laser diode | | Optical Connector | ST | | Power Connector | Terminal block | | Video Connector | BNC (Gold plated center-pin) | | Data Connector | 5 x RJ45 (included) | | Voltage Range | 90 to 264 VAC (operating voltage) | | Power Consumption | 70 W (maximum) | | Output Voltage | 9 VDC ± 5% at 6.5 A @ 167°F (75°C) | | Fuse | 1.25 A slow blow (rack power supply) Plug-in module 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" (48 x 19 x 15 cm) | | Weight | Not specified by the manufacturer |
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