Chapter 1. Introduction1-2 ESU LT User Manual 61200410L1-1The ESU LT serves as the link between user data sources suchas local area network (LAN) bridges and routers, computers,CAD systems, and teleconferencing equipment. The amountof bandwidth allocated to the port is user-programmable.The data terminal equipment (DTE) data can occupycontiguous or alternate channels in the E1 stream, and thechannels may start at any position.ESU LT Rear PanelFigure 1-2. ESU LT Rear PanelNumber Identification for ESU LT Rear PanelNo. Item Function1 Network E1-FE1 network interface2 MON (Monitor) Bantam test jack3 Chain-In Interface of chain-in4 Chain-Out Connects to chain-in of another ESU LT5 Nx56/64 DTE port6 Power Switch Used to turn power on or off7 Power Cord Connector IEC connector for power cordNX 56/64NETWORK CHAIN IN CHAIN OUTMONCONTROL90-240 VAC 50/60 HZ.24A1 2 3 4 5 6 7
