Product feature:
Four 10/100Mbps Ethernet Ports and one Fiber port;
Support IEEE802.1Q tag-based VLAN and port-based VLAN;
Support port priority setting based on IEEE802.1P;
Support bandwidth management;
Support CONSOLE management through RS232 port;
Support IEEE802.3, IEEE802.3u, IEEE802.3z protocols;
Inside MAC Address list which store up to 1024MAC address;
Legal Maximum Packet size up to 1916 bytes;
Ethernet ports support 10Mbps?100Mbps?or 10/100Mbps,half/full dupex auto-negotiation;
MDI/MDI-X auto-crossover on the Ethernet ports;

Interface Specification:
Fiber Interface:
1) Adopt standard 1*9 pin optical transceiver module;
2)Wavelength: 850nm or 1310nm in multi-mode,and 1310nm or 1550nm in single-mode;
3)Up to 120km transmission distance in single-mode;
4)SC/ST/FC optical connectors are selectable.
Ethernet interface:
1)Link speed:10/100Mbps auto-negotiation;
2)Duplex mode:Half/Full duplex auto-negotiation;
3)Connectors: RJ45;
4)Support automatic MDI/MDI-X crossover.

environment condition                               Dimension
Operating temperature:  0C~+50 C            210(W) ?140 (L) x 30(H) mm
Storage temperature:   -20 C~+70 C
Relative temperature:95% (uncondensed)
Power supply                                                
working voltage range wide, good              
anti-disturb and Isolation, work stable        
option I - DC-48V,range DC-36V~DC-72C
option II - AC 220V,range DC 90V~DC 26