Cabletron Systems TRMIM 24A TRMIM-24A User Manual

Also see for TRXI-22A: Addendum

Contents

INSTALLATIONPage 3-123.8.1 Setting the TPIM’s Phantom Switch and RI/RO SwitchBefore you install a TPIM, set the Phantom Switch to the appropriatesetting. This switch enables the port to “autowrap” if a trunk cablefails or is removed. Figure 3-11 shows the location of the PhantomSwitch. If you attach a Cabletron hub to the TPIM, leave the switch atthe factory default setting of 1. If you attach a Non-Cabletron device tothe TPIM, use the 0 setting.Ensure that the Ring-In/Ring-Out Switch is in the factory defaultRI/RO position. The TRXI does not support the Station (S) setting atthis time.Note: If the switch locations on your TPIM do not match the locationsillustrated in Figure 3-11, refer to the TPIM Reference Card includedwith the TPIM. The TPIM Reference Card outlines the current switchlocations and settings. If you have any questions, call CabletronSystems Technical Support.Figure 3-11. The Phantom and RI/RO SwitchesTop ViewTPIM-T1/TPIM-T2/TPIM-T4Phantom Switch Settings1 = Cabletron Device (Default)0 = Non-Cabletron DeviceRI/RO Switch SettingsRI/RO = Ring In/Ring Out (Default)S = Station (Not Functional)TPIM-F2/TPIM-F3Phantom Switch SettingsC = Cabletron Device (Default)802.5 = Not FunctionalRI/RO Switch SettingsRI/RO = Ring In Ring Out (Default)STN = Station (Not Functional)CSTNRI/RO802PHANTOMS RI/RO(See Below For Settings).5