SNR-MPX-16E1-SFP16E1 + 1Ethernet Fiber Optical Multiplexer6/5/2009 Shop.Nag.Ru Page 10 of 16Ethernet operating diagrammatic:Ethernet RJ45 ports connection:There are 2 light upon per RJ45.LNK on means that LAN Link and Active; SPD on meansthat ETH of 100M; SPD off means that ETH of 10M.2.2.3 Fiber interfaceThere is SFP slot on the rear panel, supporting standard SFP module.2.2.4 E1 interface120Ω: 8 E1interface adopt RJ45, support 120Ω balance connection.pin definition description1 TX+ E1 output +2 TX- E1 output-4 RX+ E1input +5 RX- E1 input-