Chapter 5. Using the Terminal Menu5-12 ATLAS_ 800PLUS User Manual 61200226L1-1Chain Port Overrun ErrsRead security: 5Displays the number of overrun errors. This field is read-only.Chain Port Framing ErrsRead security: 5Displays the number of received framing errors. This field is read-only.SYSTEM CONFIGURATIONThe System Config menu allows you to set up the ATLAS operational configura-tion. Figure 5-4 shows the items included in this menu.Figure 5-4. System Configuration MenuPrimary Timing SourceWrite security: 3; Read security: 5Selects the primary timing source. You can select either INTERNAL or a port fromone of the installed modules.Backup Timing SourceWrite security: 3; Read security: 5Selects the secondary timing source. You can select either INTERNAL or a portfrom one of the installed modules. ATLAS_ 800PLUS uses the backup timingsource if the primary timing source goes into alarm. The Backup Timing Sourceshould be different from the Primary Timing Source.ADLP AddressWrite security: 2; Read security: 5Shows the system ADTRAN Data Link Layer Protocol (ADLP) address for con-necting remote devices to management software (such as T-Watch PRO). Theallowable range is between 2 and 65520. Enter a value not used by any of the TSUunits controlled by the management software.Session TimeoutWrite security: 3; Read security: 5Defines the number of seconds the terminal session must remain idle before thesession times out. You can enter zero to deactivate this option (the session willnever time out).
