3Com 3C13886 Installation Guide - Page 140
Router 1-port Ct3 Fic
UPC - 662705478456
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3Com Router Module Guide BNC connector Chapter 4 SMB connector Figure 4-31 E3/T3 cable Note: The ROUTER 1-PORT CE3 FIC and the ROUTER 1-PORT CT3 FIC use the same cable, called E3/T3 cable in this manual. The standard equipping package of the ROUTER 1-PORT CE3 FIC includes the required interface cable. 4.6.5 Connecting the Interface Cable Caution: By design, the ROUTER 1-PORT CE3 FIC is protected against lightning strikes. But when outdoor cabling is involved, you are recommended to add a special lightning arrester at the input end of the E3/T3 cable for better protection. Step 1: Connect the SMB connector of an E3/T3 cable to the Tx port on the ROUTER 1-PORT CE3 FIC and the other end to the Rx port on another device. Step 2: Connect the SMB connector of another E3/T3 cable to the Rx port on the ROUTER 1-PORT CE3 FIC and the other end to the Tx port on another device. Step 3: Power on the router, and check the behavior of the LINK LED on the ROUTER 1-PORT CE3 FIC panel: OFF means fault occurs on the line and the signal is not synchronized. Check the line status. 4.7 ROUTER 1-PORT CT3 FIC 4.7.1 Introduction ROUTER 1-PORT CT3 FIC, the 1-port channelized T3 interface card, delivers these functions: z In T3 mode, transmitting, receiving, and processing one channel of T3 fast traffic; providing T3 traffic access. 4-31