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TP-Link TL-SM321B network transceiver module Fiber optic 1250 Mbit/s SFP
    SKU    
    SM321B-2
- WDM Bi-Directional SFP Module
 - Supports WDM Bi-Directional technology, using a single strand of fiber, cost saving
 - Pairing with TL-SM321A or MC111CS
 - Compatible with T3700 series, T2700 series, T2600 series, T2500 series, T1700 series, T1600 series, T1500 series, 2/3/5 series switches and MC220L
 
Category: Network Transceiver Modules
        TP-LINK´s TL-SM321B adopts the latest standard 1000Base-BX, transmission over a single strand of fiber, with one different wavelength going in each direction. You can extend the network distance up to 10Km(6.2 miles) with TP-LINK´s Routers, Switches, Media Converters to provide high speed and stability.
| Performance | |
|---|---|
| SFP transceiver type | Fiber optic | 
| Tx wavelength (max) | 1310 nm | 
| Rx wavelength (max) | 1550 nm | 
| Wavelength-division multiplexing (WDM) | Yes | 
| Fiber optic connector | LC | 
| Networking standards | IEEE 802.3z | 
| Maximum transfer distance | 1000 m | 
| Fiber cable diameters supported (core/cladding) | 9/125 µm | 
| Maximum data transfer rate | 1250 Mbit/s | 
| Interface type | SFP | 
| Single-mode fiber (SMF) supported | Yes | 
| Multi-mode fiber (MMF) supported | No | 
| SFP transceiver standard | BX | 
| Product colour | Metallic | 
| Harmonized System (HS) code | 85369010 | 
| Features | |
| Product colour | Metallic | 
| Certification | FCC, CE | 
| Certificates | |
| Certification | FCC, CE | 
| Compliance certificates | RoHS | 
| Operational conditions | |
| Operating temperature (T-T) | 0 - 70 °C | 
| Storage temperature (T-T) | -40 - 80 °C | 
| Operating relative humidity (H-H) | 10 - 90% | 
| Storage relative humidity (H-H) | 5 - 90% | 
| Network | |
| SFP transceiver type | Fiber optic | 
| Fiber optic connector | LC | 
| Networking standards | IEEE 802.3z | 
| Maximum data transfer rate | 1250 Mbit/s | 
| Interface type | SFP | 
| Weight & dimensions | |
|---|---|
| Width | 55.4 mm | 
| Depth | 14.6 mm | 
| Height | 12.9 mm | 
| Package depth | 122.5 mm | 
| Package width | 81.5 mm | 
| Package height | 38.5 mm | 
| Package weight | 60 g | 
| Packaging content | |
| Quantity per pack | 1 pc(s) | 
| User guide | Yes | 
| Technical details | |
| Package width | 81.5 mm | 
| Package height | 38.5 mm | 
| Maximum transfer distance | 1000 m | 
| Fiber cable diameters supported (core/cladding) | 9/125 µm | 
| Compliance certificates | RoHS | 
| Packaging data | |
| Package depth | 122.5 mm | 
| Package width | 81.5 mm | 
| Package height | 38.5 mm | 
| Package weight | 60 g | 
| User guide | Yes | 
| Logistics data | |
| Quantity per pack | 1 pc(s) | 
| Harmonized System (HS) code | 85369010 | 
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|---|---|---|---|---|---|---|
| SKU | 
                                 
                                                                                                                                SM321B-2                                                                                                                         
                             | 
                                                                                
                                 
                                                                                                                                TL-SM311LM                                                                                                                         
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                                                                                                                                717875-001-RFB                                                                                                                         
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                                                                                                                                AJ718A-RFB                                                                                                                         
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                                                                                                                                J4858B-RFB                                                                                                                         
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                                                                                                                                BRSFP-1GECOPR-ST                                                                                                                         
                             | 
                                            
| Manufacturer | 
                                 
                                                                                                                                TP-LINK                                                                                                                         
                             | 
                                                                                
                                 
                                                                                                                                TP-LINK                                                                                                                         
                             | 
                                                                                
                                 
                                                                                                                                HPE                                                                                                                         
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                                                                                                                                HPE                                                                                                                         
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                                                                                                                                HPE                                                                                                                         
                             | 
                                                                                
                                 
                                                                                                                                StarTech.com                                                                                                                         
                             | 
                                            
| Interface type | 
                                 
                                                                                                                                SFP                                                                                                                         
                             | 
                                                                                
                                 
                                                                                                                                mini-GBIC/SFP                                                                                                                         
                             | 
                                                                                
                                 
                                                                                                                                SFP                                                                                                                         
                             | 
                                                                                
                                 
                                                                                                                                SFP+                                                                                                                         
                             | 
                                                                                
                                 
                                                                                                                                SFP                                                                                                                         
                             | 
                                                                                
                                 
                                                                                                                                SFP                                                                                                                         
                             | 
                                            
| Maximum data transfer rate | 
                                 
                                                                                                                                1250 Mbit/s                                                                                                                         
                             | 
                                                                                
                                 
                                                                                                                                1250 Mbit/s                                                                                                                         
                             | 
                                                                                
                                 
                                                                                                                                8000 Mbit/s                                                                                                                         
                             | 
                                                                                
                                 
                                                                                                                                8000 Mbit/s                                                                                                                         
                             | 
                                                                                
                                 
                                                                                                                                1000 Mbit/s                                                                                                                         
                             | 
                                                                                
                                 
                                                                                                                                1250 Mbit/s                                                                                                                         
                             | 
                                            
| SFP transceiver type | 
                                 
                                                                                                                                Fiber optic                                                                                                                         
                             | 
                                                                                
                                 
                                                                                                                                Fiber optic                                                                                                                         
                             | 
                                                                                
                                 
                                                                                                                                Fiber optic                                                                                                                         
                             | 
                                                                                
                                 
                                                                                                                                N/A                                                                                                                         
                             | 
                                                                                
                                 
                                                                                                                                N/A                                                                                                                         
                             | 
                                                                                
                                 
                                                                                                                                Copper                                                                                                                         
                             | 
                                            
    
            




