Cisco compatible 1000BASE-SX SFP module operates at a speed of 1.25 Gbps over standard multimode fiber using a basic 850 nm VCSEL transmitter and duplex LC/UPC type connector and can run up to 550 m depending on OM2, OM3, or OM4 fiber cable specifications. The SFP module is fully compliant with both the SFP MSA and IEEE 802.3z standards, uses a single 3.3 V supply and hot-swap feature, and typically draws up to 0.8 W of power. The SFP module has a digital diagnostics feature based on SFF-8472 to report temperature, voltage, laser bias, and TX/RX Optical Power. The operating temperature is specified from 0-70°C; the optical safety is Class 1, and the SFP module is made from RoHS compliant materials. The receiver sensitivity specification and transmitter output specification meet the standard 1000BASE-SX link budgets.
Compatibility includes all the common platforms and part numbers to be found on the market today, including: Juniper EX-SFP-1GE-SX, Arista SFP-1G-SX, Brocade E1MG-SX-OM, HPE ProCurve J4858C/J4858D, H3C JD118A/SFP-GE-SX-MM850-A, Dell 320-2881, Extreme I-MGBIC-GSX, HW SFP-1.25G-SX, NETGEAR AGM731F, Fortinet FG-TRAN-SX, D-Link DEM-311GT, Adtran 1184561PG3, F5 F5-UPG-R, Avaya/Nortel AA1419048-E6, Alcatel-Lucent SFP-GIG-SX, Allied Telesis AT-SPSX, Calix 100-01660, SMC SMC1GSFP-SX, and TRENDnet TEG-MGBSX.
Specifications
| Attribute | Details |
| Part Number | BYXGD-GE-SX |
| Vendor Name | BYXGD |
| Form Factor | SFP |
| Max. Data Rate | 1.25G |
| Wavelength | 850nm |
| Max. Cable Distance | 550m @ 50/125µm OM2 MMF; 275m @ 62.5/125µm OM1 MMF; 220m @ 62.5/125µm FDDI MMF |
| Connector | Duplex LC |
| Media | MMF |
| Transmitter Type | VCSEL |
| Receiver Type | PIN |
| DDM/DOM | Supported |
| Commercial Temperature Range | 0 to 70°C (32 to 158°F) |
| TX Power | -9.5 ~ -3 dBm |
| Receiver Sensitivity | < -17 dBm |
| Typical Power Consumption | ≤ 0.8 W |
| Receiver Overload | -3 dBm |
| Bit Error Ratio (BER) | 1E-12 |
| Extinction Ratio | > 9 dB |
| EMC (Electro Magnetic Compatibility) | Supported |
| MTBF (SX) | 2,457,002 Hours |
| Protocols | IEEE 802.3z, SFF‑8472, SFP MSA (INF‑8074i) Compliant |
| Warranty | 5 Years |
| Optical Interface | Duplex LC/UPC |
| Supply Voltage | +3.3 V |
| Hot‑Plug Support | Yes |
| Operating Mode | 1000BASE‑SX over MMF |





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