Comnet FDC10M1B Small Size Contact Closure Transceiver (1550/1310 nm)
SKU
FDC10M1B
Model No
FDC10M1B
$605.00
Product Highlights
- Transmits a single contact closure in one or two directions
- Distances up to 69 km (43 miles)
- 30 VDC, 0.5 amp relay output, normally open
- Point-to-Point transmission architecture
- Designed to meet 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

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The ComNetâ„¢ FDC10M1B bi-directional contact closure transceiver offers reliable and efficient bi-directional transmission of contact closure signals over a single multimode optical fiber. With a compact design and robust features, this device is perfect for applications requiring minimal space while ensuring high performance and compliance with environmental specifications.
ComNet FDC10M1B Contact Closure Transceiver Features
- Transmits a single contact closure: Provides flexibility for one or two-directional signaling.
- Distance capability: Operates effectively up to 69 km (43 miles) to support long-range communication.
- Power rating: 30 VDC, 0.5 amp relay output (normally open) for versatile relay operations.
- Point-to-Point architecture: Ensures direct and efficient communication between endpoints.
- Environmental compliance: Meets stringent NEMA TS-1/TS-2 and Caltrans specifications for use in harsh conditions.
- Easy installation: Plug-and-play design eliminates the need for complicated electrical or optical adjustments.
- Carrier Detect relay contact: Normally closed with carrier presence, ensuring reliable status reporting.
- Current limiters: Features automatic resettable solid-state current limiters for added safety.
- Voltage protection: Provides protection against power surges and transients for all connections.
- Compact size: Smaller-sized package designed for stand-alone mounting in space-restricted applications.
- LED indicators: Visual status confirmation with bi-color indicators for relay positions (open/closed).
ComNet FDC10M1B Detailed Specifications
| Feature | Details |
| Model | FDC10M1B |
| Transmission Medium | Multimode Optical Fiber |
| Distance Range | Up to 69 km (43 miles) |
| Relay Output | 30 VDC, 0.5 amp (Normally open) |
| Input Relay | One relay input with two outputs |
| Compliance | NEMA TS-1/TS-2, Caltrans Traffic Signal Specifications |
| Installation | Plug-and-play, no adjustments required |
| Current Limiter | Automatic resettable solid-state current limiters |
| Voltage Protection | Transient protection on all lines |
| Indicators | Bi-color LED status indicating relay open (RED) and closed (GREEN) |
| Dimensions | Compact package designed for stand-alone mounting |
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