Comnet Transmitter Receivers
- $605.00SKU: FDC10M1B
Comnet FDC10M1B Small Size Contact Closure Transceiver (1550/1310 nm)
- 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
$605.00Low Price Guarantee - $1,120.00SKU: FDC10S1A
Comnet FDC10S1A Small Size Contact Closure Transceiver (1310/1550 nm)
- 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
$1,120.00Low Price Guarantee - $1,156.00SKU: FDC10S1B
Comnet FDC10S1B Small Size Contact Closure Transceiver (1550/1310 nm)
- 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
$1,156.00Low Price Guarantee - $1,693.00SKU: FDC80NLRM1
Comnet FDC80NLRM1 8-Channel Supervised Contact Closure Receiver (Non-Latching)
- Transmits up to eight independent supervised or unsupervised dry switch or relay contacts over one optical fiber, or via a 2-wire RS-485 point-to-point copper circuit
- Indicating LEDs for monitoring power, contact closure status, and summary fault
- Automatic resettable solid-state current limiters
- Hot-swappable rack modules
- Interchangeable between stand-alone or rack mount use - ComFit
$1,693.00Low Price Guarantee - $1,858.00SKU: FDC80NLRS1
Comnet FDC80NLRS1 8-Channel Supervised Contact Closure Receiver (Non-Latching)
- Transmits up to eight independent supervised or unsupervised dry switch or relay contacts over one optical fiber, or via a 2-wire RS-485 point-to-point copper circuit
- Indicating LEDs for monitoring power, contact closure status, and summary fault
- Automatic resettable solid-state current limiters
- Hot-swappable rack modules
- Interchangeable between stand-alone or rack mount use - ComFit
$1,858.00Low Price Guarantee - $1,210.00SKU: FDC80R485
Comnet FDC80R485 8-Channel Supervised Contact Closure Receiver, RS-485 Interface
- Transmits up to eight independent supervised or unsupervised dry switch or relay contacts over one optical fiber, or via a 2-wire RS-485 point-to-point copper circuit
- Indicating LEDs for monitoring power, contact closure status, and summary fault
- Automatic resettable solid-state current limiters
- Hot-swappable rack modules
- Interchangeable between stand-alone or rack mount use - ComFit
$1,210.00Low Price Guarantee - $1,386.00SKU: FDC80RM1
Comnet FDC80RM1 8-Channel Supervised Contact Closure Receiver
- Transmits up to eight independent supervised or unsupervised dry switch or relay contacts over one optical fiber, or via a 2-wire RS-485 point-to-point copper circuit
- Indicating LEDs for monitoring power, contact closure status, and summary fault
- Automatic resettable solid-state current limiters
- Hot-swappable rack modules
- Interchangeable between stand-alone or rack mount use - ComFit
$1,386.00Low Price Guarantee - $1,205.71SKU: FDC80RS1
Comnet FDC80RS1 8-Channel Supervised Contact Closure Receiver
- Transmits up to eight independent supervised or unsupervised dry switch or relay contacts over one optical fiber, or via a 2-wire RS-485 point-to-point copper circuit
- Indicating LEDs for monitoring power, contact closure status, and summary fault
- Automatic resettable solid-state current limiters
- Hot-swappable rack modules
- Interchangeable between stand-alone or rack mount use - ComFit
$1,205.71Low Price Guarantee - $1,642.00SKU: FDC80T485
Comnet FDC80T485 8-Channel Supervised Contact Closure Transmitter, RS-485 Interface
- Transmits up to eight independent supervised or unsupervised dry switch or relay contacts over one optical fiber, or via a 2-wire RS-485 point-to-point copper circuit
- Indicating LEDs for monitoring power, contact closure status, and summary fault
- Automatic resettable solid-state current limiters
- Hot-swappable rack modules
- Interchangeable between stand-alone or rack mount use - ComFit
$1,642.00Low Price Guarantee









