#9 Viper_SC_Manual_001-5008-000_Rev12e.docx | Page 3LED Color DefinitionACT Blinking GreenOffEthernet activity detected on PHY link (RJ45)No Ethernet activity on PHY link (RJ45)Lnk GreenOffEthernet connection established (RJ45)No Ethernet connection (RJ45)Rx/Tx GreenRedReceiving dataTransmitting data1.3.3 FRONT PANELShown in Figure 2, the front panel has the following connections: (1) RJ-45 LAN 10 BaseT Ethernet connection with Auto-MDIX (1) 50-ohm TNC female Antenna connector (1) 50-ohm SMA female receive antenna connector (Dual-Port models only) (1) Right-angle power connector (10-30 VDC) (2) DE-9F RS-232 portsFigure 2 – Front Panel (Dual Port Viper-200 Shown)1.3.3.1 ETHERNET LAN PORTThe Ethernet LAN port is an RJ-45 receptacle with a 10 BaseT Ethernet connection and Auto-MDIX. Refer Table 2 for pin outdescriptions and Section 4.6.1 to configure the LAN settings for this port.Table 2 – Pin-out for IEEE-802.3 RJ-45 Receptacle ContactsContact 10 Base-T Signal1 TXP(1)2 TXN(1)3 RXP(1)4 SPARE5 SPARE