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COMNET Dual High-Speed RS485 2W "A" End Point Data Transceiver (Single-Mode)
COMNET Dual High-Speed RS485 2W "A" End Point Data Transceiver (Single-Mode)
B&H # COFDX2HSDS1A MFR # FDX2HSDS1A/M
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- 1Description
The Dual High-Speed RS485 “A” End Point Data Transceiver from ComNet provides point-to-point or drop-and-repeat transmission of two independent simplex or duplex high-speed RS485 (2W) data signals over one optical fiber. It is transparent to data encoding allowing for broad-range compatibility. A medium-sized surface mount module, this transceiver can be used with single-mode optical fiber and features built-in DIP switch-selectable bias and termination resistors for each data channel. Plug-and-play design ensures ease of installation, requiring no electrical or optical adjustments. Each transceiver incorporates bi-color (red/green) indicating LEDs for monitoring proper system operation, including the location of fiber breaks.
- General
-
- Data rates up to 1 Mbps
- Meets RS485 (2W) specifications
- Tested and certified for full compliance with the 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
- Design assures high reliability in unconditioned out-of-plant/roadside environments
- NTCIP compatible
- Built-in fiber link tester allows for the testing of the fiber
- Remote fault indication allows the user to determine when a fiber break or loss of prime operating power has occurred, or a transceiver in the field has failed
- Voltage transient protection on all power and signal input/output lines provides protection from power surges and other voltage transient events
- Wide optical dynamic range without the need for optical attenuators
- Bi-color (red/green) LED status indicators provide rapid indication of critical operating parameters
- Made in the USA
- Applications
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- Access control systems
- Building automation and environmental control systems
- Computer/data equipment
- Fire and alarm systems
- Traffic signal control equipment
In the Box
COMNET Dual High-Speed RS485 2W "A" End Point Data Transceiver (Single-Mode)
Table of Contents
- 1Description
| Data Channels | 2 |
| Data Format | 2-wire RS485 w/ Tri-State, Manchester, Bi-Phase, Sensornet |
| Data Rate | DC-1 Mbps |
| Operating Mode | Asynchronous, simplex, or full-duplex |
| Bit Error Rate | <10-9 @ maximum optical loss budget |
| Wavelength | 1310/1550 nm |
| Number of Fibers | 1 or 1 In/1 Out |
| LED Indicators | Receive Data Active, Transmit Data Active, Port A Fiber Link Status, Port B Fiber Link Status |
| Dip Switches |
1 to 3: Ring Length (SHR only) 4: Master / Remote (SHR only) 5 & 6: 680 Ohms Pull Up/Pull Down for Bias on RS485 bus 7 & 8: 120 Ohms Termination across RS485 bus |
| Connectors |
Optical: ST Power: Terminal Block Data: Terminal Block Contact: Terminal Block |
| Communication Method | RS485 (2 W) "A" End Point |
| Fiber | Singlemode 9/125 μm |
| Optical Power Budget | 23 dB |
| Maximum Distance | 43 mi (69 km) |
| Operating Voltage | 8 to 36 VDC |
| Power Consumption | 4 W |
| 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) | 4.1 x 3.7 x 1.1" (10.4 x 9.4 x 2.8 cm) |
| Weight | 1.0 lb (0.4 kg) |
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