CHAPTER 4: SETTING UP THE D.20 RIO D.20 RIO CONFIGURATION UTILITYD.20 RIO - HARDWARE USER’S MANUAL GE Information 39NOTEIf a D.20 RIO is configured for SNTP time sync with a D400, the D400 should not beconfigured to use NTP as its time source; in this case the D400 will fail to time synchronizeD.20 RIO.Figure 8: D.20 RIO time synchronization optionsD.20 RIO configuration utilityThe D.20 RIO Configuration Utility is used to configure operating system settings on theD.20 RIO. Using the D.20 RIO Configuration Utility, you can perform the following actions:• Configure authentication• Configure network settings• Configure network interface settings• Configure secure access• Configure time synchronization• Configure hardware• Reset system logsYou can access the D.20 RIO command prompt remotely through the Ethernet connectionor through the Utilities Power bar button in the D.20 RIO HMI. The Utilities page provides aSecure Shell (SSH) login to establish a remote terminal session with the D.20 RIO.Access to the command line interface requires an Administrator or root log in.To start the D.20 RIOconfiguration utility:1. Connect to the device through the RS-232 port. See “Connecting to the D.20 RIO forthe first time” on page 36.Result: The D20RIO#>> command prompt appears.2. Type d20riocfg and press Enter.Result: The D.20 RIO Configuration Utility Menu appears.3. Select a function by typing the associated number and pressing Enter.TIPSome settings take effect immediately after being changed while other settings require areboot of your D.20 RIO device before they are applied.IRIG-BD400D.20 RIOSNTPIRIG-B option SNTP optionSNTPD400D.20 RIOSNTP