Chapter 4: Operation22 ISU 512 User Manual 61202.086L1-13. Choose an item on the submenu such asNetwork Options (Netw. options)by pressing the corresponding number followed by Enter.4. To select Dial Line options, press 1, then press Enter.The menu path follows:3=CONFIG1=Netw. options1=Dial Line4=Dial OptionsIt is important to note that some features in the ISU 512 do not immediatelytake effect upon selection. This prevents unintentional reconfiguration of theISU 512 during an active call. Items such as Leased/Dial line, SPID/LDN, andISDN switch type, take effect only when the ISU 512 is powered up or the Ba-sic Rate interface is bounced (line broken and restored). Also, items such asBit Rate, BONDING setup, and Call type take effect only at the beginning ofa new call.FRONT PANELFigure 4-3 shows the ISU 512 front panel.Figure 4-3ISU 512 Front ViewThe ISU 512 front panel consists of a 2-line, 16-character LCD display, sevenLED indicators, and a 16-button keypad. This allows for configuring, dialing,testing, and monitoring the unit without data terminal or test equipment.SHIFT*7D4A180E5B2QUICKISU 512#9F6C3ENTERCANCEL
