Cisco GLC-BX-20D Compatible 1000BASE-BX-D SFP transceiver module can transmit up to 20 km distance over single-mode fiber (SMF) using 1550nm TX and 1310nm RX wavelengths with LC simplex connections. The transceiver module is made for bi-directional data transmission, and it will still function, but it is best paired with a like transceiver or network device that works using the opposite wavelengths.
This SFP transceiver module is compatible with many OEM brands/models, including but not limited to: Cisco GLC-BX-20D, Juniper Networks SFP-GE20KT15R13, Brocade E1MG-1G-BXD-20, HPE SFP-1G-BXU-20, H3C SFP-GE-20-SM1550-BIDI, and Mikrotik S-35LC20D, making it easy to integrate into many environments. 1000BASE-BX compliant, the avoided fiber complies with standard Gigabit Ethernet connectivity for various applications, specific to telecom, data centers, and enterprise networks.
The transceiver module has a DOM (Digital Optical Monitoring) function that allows monitoring of operating data, such as temperature, voltage, and optical power levels, ensuring optimal network performance management. It is compact in size with an LC connector, allowing for easy installation and management. This type of transceiver has great signal integrity with low power consumption.
Specifications
| Parameter | Specification |
| Product Name | BYXGD-1000BASE-BX-D |
| Brand | BYXGD |
| Form Factor | SFP |
| Max Data Rate | 1.25Gbps |
| Wavelength | 1550nm-TX / 1310nm-RX |
| Max Cable Distance | 20km |
| Connector | Simplex LC |
| Media | SMF (Single Mode Fiber) |
| Optical Components | FP BiDi |
| Transmitter Type | DFB |
| TX Power | -9 to -3 dBm |
| Receiver Sensitivity | <-20 dBm |
| Power Consumption | ≤1W |
| Digital Diagnostics (DDM/DOM) | Supported |
| Protocols | Fast Ethernet, Gigabit Fibre Channel, MSA Compliant |
| Commercial Temperature Range | 0°C to 70°C (32°F to 158°F) |
| Warranty | 5 Years |






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