Chapter 5. Configuration Menu61202129L1-1 TSU 120 User Manual 5-3NETWORK (NI)This menu item accesses the configuration of parameters asso-ciated with the network interface in the base unit. There arenine submenu items that include setting the format, the linebuild out (LBO), and the timing mode. Submenu items do notinclude setting the parameters which may be necessary for asecondary interface (DSX-1 Passthru, etc.).Network (NI) Menu ItemsThe menu items are:Menu Item DescriptionFORMAT Sets the frame format for the NI.Choices: D4, ESF, and SLC96D4 is equivalent to superframe format (SF).CODE Sets the line code for the NI.Choices: AMI and B8ZS.YEL ALARM Enables and disables the transmitting of yellow alarms.Choices: ENA and DISA.XMIT PRM Enables and disables the sending of PRM data on thefacility data link (FDL). The PRM data continues to becollected even if XMIT PRM is disabled (possible onlywith ESF Format).Choices: Off and On.TIMINGMODESelects the clock source for transmission toward thenetwork from the NI. See TSU 120 Clock Sources on page5-5 for more informationChoices: Network, DTE (Slot 1), Normal (CSU), U-BR1TE (Slot 1), Internal, Secondary (SI).