4.4BSD/usr/src/sys/vax/if/ACC/conf/ddn_internal

#! /bin/csh -f
# configure ACP5250/6250 for internal loopback (bypassing serial interface)
set UNIT=0			# change to suit your unit number
set INET_ADDR=X.X.X.X		# change to your site's internet address
alias acp /etc/acpconfig dda$UNIT
acp $INET_ADDR
acp -u 0			# required only if interface was enabled
# acp -b 0			# clock source doesn't matter
acp -s standard			# DDN standard mode
acp -f window on -f packet on	# enable negotiation
acp -u int			# internal loopback