Single-mode fiber optic transceiver with 2 inputs and 2 outputs
Dual-channel single-mode fiber optic transceivers provide two independent inputs and outputs for high-speed, long-distance optical communication.
Overview
Single-mode fiber optic transceivers are optical modules that convert electrical signals into optical signals and vice versa, enabling long-distance, high-bandwidth communication over single-mode fiber (SMF) with minimal signal loss . Dual-channel or dual-input/output transceivers allow two separate data streams to be transmitted and received simultaneously, which is ideal for applications such as broadcast video, industrial automation, and network redundancy .
Key Features
- Fiber Type: Single-mode (typically 9/125µm core)
- Connector Type: Commonly LC or ST duplex connectors
- Wavelengths: 1310nm or 1550nm for long-distance transmission
- Data Rates: Can range from 12Gbps (SDI video) up to 40kbps for serial data applications
- Transmission Distance: Typically 10 km to 80 km depending on module and optical power budget
- Form Factor: SFP (Small Form-factor Pluggable) or standalone mini-converter modules
- Redundancy: Some modules, like the Ross SFP-FIBER-12G-2R, provide primary and redundant channels for failover
Example Products
- Ross SFP-FIBER-12G-2R
- Dual-channel 12G fiber receivers
- Single-mode fiber, one SFP per channel
- 1310nm wavelength, duplex LC connections
- Supports SD/HD/12G-SDI video up to 20 km
- AJA FiDO-2T-12G
- 2-channel 12G-SDI to single-mode LC fiber transmitter
- Supports cable runs up to 10 km
- Compact, low-profile design suitable for racks or camera rigs
- Compatible with HDR and SDR video signals
- SEL-2830 Fiber-Optic Transceiver/Modem
- Uses two single-mode fibers for bidirectional serial data
- Transmission distances from 16 to 80 km
- Data rates up to 40 kbps
- ST connectors, plug directly into DB-9 serial ports
Applications
- Broadcast and Video Production: High-speed SDI video transmission over long distances
- Industrial Automation: Reliable serial communication with electrical isolation
- Networking: Redundant or dual-channel links for switches, routers, and servers
- Telecommunications: Long-distance backbone connections using single-mode fiber
Considerations
When selecting a dual-input/output single-mode transceiver, consider:
- Required data rate and distance
- Connector type compatibility (LC vs ST)
- Form factor (SFP vs standalone module)
- Redundancy or failover requirements
- Power supply and mounting options These transceivers provide high reliability, low attenuation, and immunity to EMI/RFI, making them suitable for critical communication links over long distances .
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