3Com 000839-08 Manual page 157

Yn Selects power-on/reset
default configuration.
Y0 Default is profile 0
setting in NVRAM
Y1 Default is profile 1
setting in NVRAM
Z Resets 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)
152
T Q R
ECHNICAL UICK EFERENCE
&$
&A
Z4 Resets modem to
factory default profile
1 (&F1)
Z5 Resets modem to
factory default profile
2 (&F2)
Displays a list of
ampersand (&) commands.
Enables/disables additional
result code subsets (see
Xn).
&A0 ARQ result codes
disabled
&A1 ARQ result codes
enabled
&A2 V.32 modulation
indicator added