BSFP-SM20-AB 1.25G Single-Fiber SFP Module with Great Compatibility
Single-mode single-fiber transceiver with 20km reach and full DDM/DOM monitoring. It offers broad compatibility for network distributors.
●Enhanced Reliability & Low Power: Features a robust all-metal housing for superior EMI shielding and heat dissipation, with typical power consumption as low as 0.5W for stable operation.
●Comprehensive Compatibility: Equipped with gold-plated contacts and firmware optimized for broad interoperability with major brands like Cisco, Huawei, H3C, TP-LINK, ZTE, and Ruijie.
●Advanced Diagnostics (DDM/DOM): Provides real-time monitoring of 5 key parameters (Tx/Rx Power, Voltage, Temperature, Bias Current) for proactive troubleshooting and simplified network maintenance.
●Plug-and-Play Performance: Utilizes high-performance, low-power domestic chipsets and optical components to ensure stable 1.25Gbps data transmission over 20km via single-fiber.
SFP Module Description
SHENGWEI BSFP-SM20-AB Single-Fiber SFP Module is a high-performance transceiver designed to provide reliable gigabit fiber connectivity. This module enables bi-directional data transmission over a single strand of single-mode fiber up to 20km, effectively reducing fiber infrastructure costs. It solves connectivity needs in data center interconnects, enterprise networking, and telecom access networks. Featuring advanced Digital Diagnostic Monitoring (DDM) and broad vendor compatibility, it is an ideal choice for system integrators, IT resellers, and network operators. We supply this module in bulk to distributors and OEMs seeking a cost-effective, reliable optical component.
SFP Transceiver Technical Sheet
| Parameter | Specification |
| Model | BSFP-SM20-AB |
| Form Factor | SFP (Small Form-factor Pluggable) |
| Data Rate | 1.25Gbps |
| Wavelength | TX: 1310nm / RX: 1550nm OR TX: 1550nm / RX: 1310nm (Single-Fiber Bi-Directional) |
| Fiber Type / Mode | Single-Mode (SMF) |
| Max Transmission Distance | 20 km |
| Interface / Connector | Duplex LC |
| Diagnostics | Digital Diagnostic Monitoring (DDM) / DOM Support |
| Monitor Parameters | Tx Power, Rx Power, Voltage, Temperature, Laser Bias Current |
| Laser Type | FP (1310nm) / DFB (1550nm) |
| Receiver Type | PIN-PD |
| Operating Temperature | -20°C ~ +75°C |
| Supply Voltage | 3.3V |
| Case | Metal |
| Compatibility | Cisco, Huawei, H3C, TP-LINK, ZTE, Ruijie, and other MSA-compliant devices |
Detail Display
SFP Transceiver Applications
1. Single-Fiber Network Upgrades: Perfect for modernizing existing network links where only one fiber strand is available between switches or routers, maximizing existing infrastructure.
2. Long-Distance Edge Connectivity: Ideal for connecting remote branches, cell towers, or surveillance cameras back to a central office over distances up to 20km on a single fiber.
3. Vendor-Agnostic Network Environments: Serves as a universal spare or upgrade component in multi-vendor network setups (e.g., mixed Cisco and Huawei equipment), reducing spare part inventory complexity.
