Cabletron Systems CSMIM-T1 manual On Enter Connect State, Originating Modem

Commands

Table 7-7indicates the type of connections, depending on the operating mode. NC indicates No Connection. Where more than one operating mode is in a column, the first mode is for the originating modem and the second mode is for the answering modem.

NOTE

MNP Extended Services: In the chart, you can use MNP Extended Services for V.42 connections where LAPM appears if both modems are set with -K1or -K2.

Table 7-7 Connection Types Depending on Operating Mode

Answering	Originating Modem
Modem
	\N0	\N1	\N2	\N3	\N4	\N5	\N6
\N0	normal	direct	NC	normal	NC	normal	NC
		/normal
\N1	normal	direct	NC	normal	NC	normal	NC
	/direct			/direct		/direct
\N2	NC	NC	MNP	MNP	NC	NC	MNP
\N3	normal	direct	MNP	LAPM	LAPM	LAPM	LAPM
		/normal
\N4	NC	NC	NC	LAPM	LAPM	LAPM	LAPM
\N5	direct	direct	NC	LAPM	LAPM	LAPM	LAPM
		/normal
\N6	NC	NC	MNP	LAPM	LAPM	LAPM	LAPM

On Enter Connect State

O0 Enters connect state.

O1 Begins an equalizer retrain sequence when operating at 2,400 bps or higher and then returns to connect state.

Type: ATO1 <Enter> to reduce errors due to loss of equalization when excessive bit error rates are present.

CSMIM-T1 Hardware Installation Guide 7-27