Specifications: 1) Complies with IEEE802.3 and IEEE802.3u 2) Bi-direction (WDM) 3) 1 RJ-45 10/100Mbps port with full/half duplex auto-negotiation 4) MDI/MDI-X auto-negotiation 5) Optional function: non-network management or SNMP management 6) Wavelength: TX310nm/RX1,550nm; TX1,550nm/RX1,310nm 7) Fiber cable: a) Multi-mode: 50/125um or 62.5/125um b) Single-mode: 9/125um 8) Maximum distance: 60km (SM) 9) Input voltage: 180-240V AC or -48V DC (internal power supply), 5V DC (external power supply) 10) Input power: 5W 11) Dimensions: 98 x 59 x 24mm (External power supply); 160 x 129 x 33mm (internal power supply) 12) Operation temperature: 0 - 60癈 13) Storage temperature: -10 ~ +70癈 14) Humidity: 5 - 95% (Non-condensing) 15) Remark: We can also provide dual fiber stand alone media converters with internal or external power supply