5-11Field DescriptionFrame-format ESF, clock master,loopback not setInformation about the physical layer of the T1 channel: the framingformat is set to ESF, master clock (internal clock signal) is used,loopback is disabled.T1 framer(2-1-1):Presents how the T1 channel is multiplexed. 2-1-1 represents in orderVC-3 number, TUG-2 number, and TUG-11 number for the T1channel.For more information, see CPOS Interface in the InterfaceConfiguration Guide.display controller cpos t3Syntaxdisplay controller cpos cpos-number t3 t3-numberViewAny viewDefault Level1: Monitor levelParameterscpos-number: CPOS interface number.t3-number: Number of a T3 channel on the specified CPOS interface, in the range of 1 to 3.DescriptionUse the display controller cpos t3 command to display the physical layer configuration of thespecified T3 channel on the specified CPOS interface.Compared with the display controller cpos command, this command can display the error and alarminformation of lower-order paths and E3 frames. For possible error and alarm types, see Table 5-3.Examples# Display the state information of T3 channel 1 on interface CPOS 1/0/0. For information about theoutput fields, see Table 5-4. display controller cpos 1/0/0 t3 1Cpos1/0/0 current state: UPDescription : Cpos1/0/0 InterfaceT3 1 is downFrame-format: C-bit ,Clock: slave ,Loopback: noneAlarm: NONEError: 0 FERR, 0 LCV, 0 PERR, 0 FEBE, 0 PARITY_P, 0 HCSe1 channel-setSyntaxe1 e1-number channel-set set-number timeslot-list rangeundo e1 e1-number channel-set set-number