Customers moving to Gigabit (1000Mbps) may find that existing multi-mode fiber may not be suitable for their network, as the distance required is over 220 m. Allied Telesis recommends using the AT-SPEX optical transceiver, which uses non-standard optics, but supports the 2 km distance.
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             | Transource eSKU | 1022166121 | 
     | Manufacturer | Allied Telesis, Inc | 
     | Manufacturer Part Number | AT-SP10LR/I | 
     | Manufacturer Website Address | http://www.alliedtelesis.com | 
     | Brand Name | Allied Telesis | 
     | Product Name | 10 km SFP+ Module | 
     | Product Type | SFP+ | 
       
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             | Technical Information | 
     | Application/Usage | Data Networking | 
     | Application/Usage | Optical Network | 
     | Interfaces/Ports | 
     | Total Number of Ports | 1 | 
     | Connector Type | LC | 
     | Interfaces/Ports Details | 1 x LC 10GBase-LR Network | 
     | Media & Performance | 
     | Media Type Supported | Optical Fiber | 
     | Fiber Mode Supported | Single-mode | 
     | Ethernet Technology | 10 Gigabit Ethernet | 
     | Network Technology | 10GBase-LR | 
     | Miscellaneous | 
     | Compatibility | Allied Telesis XE6 AT-TN-309 6-Port 10GbE Link Aggregation Module | 
     | Environmentally Friendly | Yes | 
     | Environmental Certification | RoHS | 
     | Country of Origin | China | 
     | Warranty | 
     | Limited Warranty | 1 Year |