3Com 1.024.1644-00 manual Resets modem, Displays a list of ampersand & commands

Technical Reference

Yn Selects power-on/reset default configuration

Y0 Use profile 0 setting in NVRAM

Y1 Use profile 1 setting in NVRAM

Y2 Use factory configuration 0

Y3 Use factory configuration 1

Y4 Use factory configuration 2

ZResets modem

Z0 Resets modem to NVRAM profile selected by Y command or dip 7

Z1 Resets modem to NVRAM profile 0

Z2 Resets modem to NVRAM profile 1

Z3 Resets modem to factory default profile 0 (&F0)

Z4 Resets modem to factory default profile 1 (&F1)

Z5 Resets modem to factory default profile 2 (&F2)

		Extended Data Commands
&$	Displays a list of ampersand (&) commands
&An Enables/disables additional result code subsets (see Xn)
	&A0	ARQ result codes disabled
	&A1	ARQ result codes enabled
	&A2	V.32 modulation indicator added
	&A3	Protocol indicators added¾LAPM/MNP/NONE (error
		control) and V42bis/MNP5 (data compression)
&Bn Manages modem’s serial port rate
	&B0	Variable, follows connection rate
	&B1	Fixed serial port rate
	&B2	Fixed in ARQ mode, variable in non-ARQ mode
&Cn Controls Carrier Detect (CD) signal.
	&C0	CD override
	&C1	Normal CD operations

58 56K Voice Faxmodem Internal - User’s Guide