Chapter 2. Installation2-2 Express 3010/3110 User Manual 61200239L1-20Verify Switch SettingsDip switches 1 and 2 located on the rear panel of the Express 3010/3110 allow you to physically configure certain settings. Figure 2-2shows the location of the dip switches on the rear panel of the unit.The factory default position for all switches is down (On) during ini-tial installation.If switch 1 is set to the Off position, the unit is set to operate at a DTErate of 230.4 kbps. A special COM port using a 16650 UART is re-quired while in this mode. If switch 1 is set to the On position, the unitwill automatically adapt to the DTE rate (up to 115.2 kbps).If switch 2 is set to the Off position (up), the unit continues to use the fac-tory default settings until switch 2 is set to the On position (down). Also,area code, phone numbers, SPIDS, and stored numbers are cleared.If both switches are up, the unit is offline in Command Mode.Figure 2-2. Dip Switches on Rear PanelSW 1: Off (Up) = 230.4 kbpsOn (Down) = Autobaud (speeds up to 115.2 kbps)SW 2: Off (Up) = Factory DefaultOn (Down) = Normal (previous settings saved)OFFEIA232PWR ISDN2 1OFFON 1 21 2ON12VDC