Patton electronics Model 2711 User Manual

Contents

72.3 SUPPORTED APPLICATIONThe Model 2711 CSU/DSU is supplies the interface between thetelephone company and customer premises equipment (CPE) such asa router. The 2711 can also be used as a high-speed short haulmodem for campus applications.2.3.1 The 2711 as the Interface between the Telco and CPEThe Model 2711 Series provides the interface between the tele-phone company and customer equipment, such as a router or switch(See below).2.3.2 The 2711 as a High-Speed Short Range ModemThe Model 2711 Series can also be installed into high-speed cam-pus applications. In this application, a pair of Model 2711 Series unitsoperate as short range modems (See below).RXDLOSALMERRT/LPWRTXDModel 2700RXDLOSALMERRT/LPWRTXDModel 2700Model 2711Model 2711sRouterBridge/RouterBridge/Router1.544Mbpsor nx56/641.544MBpsor nx56/64LANLANLANT1Network83.0 CONFIGURATIONBefore placing the Model 2711 into service, the unit must be con-figured to match both the DTE and Network interface parameters.Configuration may be accomplished using pc board mounted DIPSwitches or via software using the RS-232 control port.3.1 CONFIGURATION USING DIP SWITCHESConfigure the Model 2711 using a DIP switch package located onthe bottom side of the printed circuit board (See Figure 1, below).The Model 2711 DIP switches can be configured as either “On” or“Off”. Figure 2 (below) shows the orientation of the DIP switches withrespect to ON/OFF positions.Figure 1. Model 2711 Series bottom view, showing location of DIP switchesON1 2 3 4 5 6 7 8DIP Switches SW1 & SW21 2 3 4 5 6 7 8ONOFFONFigure 2. Close up of DIP switches showing ON/OFF positions.ONOFF1 2 3 4 5 6 7 8ON1 2 3 4 5 6 7 8ONSW2 SW1