Chapter 3. Operation4 6 TSU 120 User Manual 61200.129L1-1Data Port IdentificationWhen configuring the unit, menu selections willsometimes include options from data port menus.Selection of data ports is necessary because the TSU120 uses a Slot.Port method to identify which dataport the menu item is referencing. For example, thebase unit is slot zero (0). Anything in the option slot isreferenced as Slot 1. If a module containing an OCUDP option card with an Nx56/64 interface is installedin the option slot, it would be designated as:OCU DP=1.1Where slot=1 and port =1.The OCU DP is located in option slot 1 and is thefirst port in that slot.Nx56/64=1.2Where slot=1 and port=2.The Nx is located in Slot 1 and is the second port inthat slot.
