TP-Link Gigabit Sfp Module, Multi-mode, MiniGBIC, Lc Interface, Up To 550/275m Distance - (Tl-Sm311Lm) SM311LM
SKU
400468
Brand
MPN
SM311LM
Warranty
Standard Manufacturer's Warranty
$37.00
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Gigabit SFP module, Multi-mode, MiniGBIC, LC interface, Up to 550/275m distance
| SKU | SM311LM |
|---|---|
| Brand | TP-Link (Omada) |
| Model | TL-SM311LM / SM311LM |
| Notes | Some reseller listings reference minor variant model naming (SM311LM vs TL-SM311LM) and third-party compatible/TAA or lifetime-warranty branded equivalents. Specification values compiled from multiple product listings; where variants appeared, the most commonly reported values were used. |
| Weight | ≈1.6 oz (0.1 lb / 45 g) |
| DDM / DOM | Supported |
| Data Rate | 1.25 Gbps |
| Fiber Type | Multi-mode Fiber (MMF) |
| Wavelength | 850 nm |
| Description | Gigabit 1000Base-SX SFP (mini-GBIC) multi-mode fiber transceiver compatible with TP-Link/Omada switches and media converters. Operates at 850 nm with a 1.25 Gbps data rate and LC/UPC duplex connector. Hot-pluggable and SFP-MSA compliant, it supports Digital Diagnostic Monitoring (DDM/DOM) for real-time optical diagnostics. Typical reach is up to 550 m over 50/125 µm MMF and up to 275 m over 62.5/125 µm MMF. Designed for enterprise LAN links, data center and media-converter deployments. Package includes the TL-SM311LM / SM311LM module and an installation guide. |
| Form Factor | SFP (mini-GBIC) |
| Manufacturer | TP-LINK Technologies Co., Ltd |
| Receive Type | PIN photodiode |
| Product Title | TP-Link (Omada) TL-SM311LM / SM311LM 1000Base-SX SFP Transceiver, 850nm, MMF, LC Duplex, up to 550m |
| Transmit Type | VSCEL laser |
| Connector Type | LC Duplex (LC/UPC) |
| Package Content | TL-SM311LM / SM311LM SFP transceiver Installation guide |
| Maximum Distance | Up to 550 m (50/125 µm MMF); up to 275 m (62.5/125 µm MMF) |
| Storage Humidity | 5% to 90% non-condensing |
| Transceiver Type | 1000Base-SX (SX) |
| Country of Origin | China (reported on some listings) |
| Receiver Overload | -3 dBm |
| Transmitter Power | Maximum: 3 dBm Minimum: -9.5 dBm |
| Operating Humidity | 10% to 90% non-condensing |
| Additional Features | Hot-pluggable / hot-swappable Plug-and-play Supports full-duplex operation |
| Physical Dimensions | Depth: 13.7 mm (0.5 in) Width: 55.4 mm (2.2 in) Height: 12.9 mm (0.5 in) |
| Storage Temperature | -40 °C to 80 °C (-40 °F to 176 °F) |
| Receiver Sensitivity | -17 dBm |
| Wavelength Bandwidth | ≈20 nm (840-860 nm) |
| Operating Temperature | 0 °C to 70 °C (32 °F to 158 °F) |
| Standards & Protocols | 1000Base-SX IEEE 802.3z SFP MSA CSMA/CD TCP/IP |
| Supported Fiber Modes | 50/125 µm or 62.5/125 µm |
| Power Supply / Voltage | 3.3 V |
| Compliance / Certifications | CE FCC RoHS SFP MSA IEC/FDA Class 1 Laser Safety (reported on some listings) |
| Optical Budget / Link Budget | Typical guaranteed link budget 7.5 dB |
| Compatibility / Supported Devices | Compatible with TP-Link SFP ports and many TP-Link/Omada switches and media converters (examples: T3700, T2700, T2600, T2500, T1700, T1600, T1500 series; TL-SG/TL-SL series; MC220L; MC200L/MC200CM). Also compatible with other SFP-MSA compliant equipment. |
TP-Link Gigabit SFP module, Multi-mode, MiniGBIC, LC interface, Up to 550/275m distance - (TL-SM311LM)
