IBM H Series Installation And Service Manual page 408

expect " \r" or "OK\r\n" timeout 2 # Confirm successful command.
send "ATV X S = \r"
expect " \r" timeout 2
done
error:
expect "8\r" or "7\r" or "4\r" or "3\r"
delay 2
done
E-14
RS/6000 Enterprise Server Model H Series Installation and Service Guide
# Numeric response code
# AT compatible messages
# Auto-Answer disabled
# Confirm commands successful.
#
# Handle unexpected modem
# responses.