3Com Router Command Reference Guide — V1.00Parametert392dce-value: value of the polling timer on a DCE, ranging 5s to 30s. The default valueis 15.DescriptionUsing the fr lmi t392dce command, you can configure the polling timer value on a DCE.Using the undo fr lmi t392dce command, you can restore the default value.This parameter defines the maximum time for DCE waiting for a Status-Enquiry, T392should be greater than T391.For related commands, see fr interface-type, fr lmi t391dte.Example# Set the operation of Frame Relay interface Serial0 as DCE mode and set T392 to16s.[3Com-Serial0]fr interface-type dce[3Com-Serial0]fr lmi t392dce 166.1.37 fr lmi typeSyntaxfr lmi type { ansi | nonstandard | q933a } [ bi-direction ]undo fr lmi typeViewInterface viewParameteransi: ANSI T1.617 Annex Dnonstandard: Non standard.q933a: ITU-T Q.933 Annex A.bi-direction: Responds to the state query request from the network side, if theinterface works as Frame Relay DTE.DescriptionUsing the fr lmi type command, you can configure the Local ManagementInterface(LMI) type. Using the undo fr lmi type command, you can restore the defaultLMI type.By default, LMI type is q933a.The 3Com series routers usually supports three LMI protocols, that is, Q.933 Annex A,ANSI T1.617 Annex D and Non-standard LMI.120
