Confuring T1E1 Controllers

t1slotYou can insert the T1E1 NIMs into the NIM slot on the supported 4000 Integrated Services Routers (ISRs). In addition to the features listed in Table 1, theseAnyone else having this issue? I’ve ran several T8 vaults (with my first two slots already being T8) and no matter what this last slot will not upgrade from T1 to