Comnet FDX55M1 Anti-Streaming RS-232/422 Drop-and-Repeat Data Transceiver
SKU
FDX55M1
Model No
FDX55M1
$2,204.06
Product Highlights
- Robust design assures extremely high reliability in unconditioned roadside environments
- User-selectable DTE or DCE interface ensures ease of installation and maximum versatility
- Supports Request to Send (RTS) and Clear to Send (CTS) signals
- RJ-11 expansion port provides network branching capability by electrically linking co-located transceiver units

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The Comnet FDX55M1 Anti-Streaming RS-232/422 Drop-and-Repeat Data Transceiver is engineered to support reliable simplex or full-duplex communication in data networks utilizing optical fibers. With its rugged design, this transceiver ensures optimal performance in challenging environments while providing features such as easy installation, user-configurable settings, and optional battery backup for uninterrupted service, making it the ideal solution for traffic signal control and other critical communications applications.
Comnet FDX55M1 Anti-Streaming Transceiver Features
- Meets EIA RS232C/D specifications: Ensures compatibility in simplex or duplex configurations for diverse communication needs.
- NTCIP compatible: Supports modern traffic management and communication protocols.
- Certified by independent laboratory: Guarantees compliance with NEMA TS-1/ TS-2 and Caltrans specifications, ensuring reliable operation in extreme environmental conditions.
- Robust design: Provides exceptional reliability in unconditioned roadside installations, safeguarding against the elements.
- User-selectable DTE or DCE interface: Simplifies installation and enhances flexibility for various applications.
- Supports RTS/CTS signals: Enables effective communication control for data transmission processes.
- RJ-11 expansion port: Facilitates network growth by allowing multiple transceiver units to be linked together.
- Voltage transient protection: Protects against power surges, enhancing the longevity and reliability of the device.
- Optional internal battery backup: Provides up to 12 hours of operation during power outages, ensuring continuous communications.
- Wide optical dynamic range: Eliminates the need for optical attenuators, simplifying system configuration.
- User-configurable Anti-Streaming: Offers customizable network protection against faulty controller operations.
- Indicating LEDs: Displays operating status for easy monitoring and troubleshooting.
- Hot-swappable rack modules: Ensures quick replacement and maintenance without system downtime.
- Interchangeable configurations: Adaptable for both stand-alone and rack mount setups with ComFit compatibility.
- DIN-rail mountable: Can be secured with optional adaptor plates for flexible installation options.
Comnet FDX55M1 Detailed Specifications
| Feature | Details |
| Model | FDX55M1 |
| Communication Type | RS-232/422 Drop-and-Repeat |
| Operating Temperature | Environmental compatibility as per NEMA TS-1/TS-2 standards |
| Power Backup | Optional internal battery providing 12 hours of operation |
| Interface Selection | User-selectable DTE/DCE |
| Dynamic Range | Wide optical dynamic range without the need for optical attenuators |
| Network Connection | RJ-11 expansion port for branching capability |
| Protection | Voltage transient protection on power and signal lines |
| Dimensions | Available in both stand-alone and rack mount configurations |
| Installation | Easy plug-and-play, hot-swappable modules |
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