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Appendix B Specifications
Technology
Standards IEEE802.3, 802.3u, 802.3x, 802.1D, 802.1W, 802.1Q, 802.1p
Protocols IGMP V1/V2/V3 device, GVRP, SNMP V1/V2C/V3, DHCP
Server/Client, BootP, TFTP, SNTP, SMTP, RARP and
EDS-SNMP OPC server (Optional)
MIB MIB-II, Ethernet-Like MIB, P-BRIDGE MIB, Q-BRIDGE
MIB, Bridge MIB, RSTP MIB
Forwarding and Filtering
Rate
148800 pps
Processing Type Store and Forward
Flow Control IEEE802.3x, back pressure
Address Table Size 2K uni-cast addresses
Interface
RJ45 Ports 10/100BaseT(X) auto negotiation speed, F/H duplex mode, and
auto MDI/MDI-X connection
Fiber Ports 100BaseFX ports (SC connector)
Console RS-232 (RJ45)
LED Indicators Power, Faults, 10/100M, Ring Master and Ring Coupler
Alarm Contact Two relay outputs with current
carrying capacity of 1A @ 24 VDC
Digital Input Two inputs with the same ground, but electrically isolated from
the electronics
• For state "1": +13 to +30V
• For state "0": -30 to +3V
• Max. input current: 8 mA
Optical Fiber
Multi
mode
Single
mode, 15
Single
mode, 40
Single
mode, 80
Distance, km 5 15 40 80
Wavelength, nm 1310 1310 1310 1550
Min. TX Output, dBm -20 -15 -5 -5
Max. TX Output, dBm -14 -6 0 0
Sensitivity, dBm -34 to -30 -36 to -32 -36 to -32 -36 to -32
Recommended Diameter,
Diameter
(Core/Cladding), µm
50/125
1 dB/km, 800
MHz*km
9/125 9/125 9/125