user1@plum:~$ sudo cat /etc/default/mgetty 
ENABLE=0
WAKEUP=0

DEVICE=
LOCALADDR=
REMOTEADDR=
NETMASK=
DEFAULTROUTE=1
IDLE=30
LCP_INTERVAL=30
LCP_FAILURE=3

# --- Example ---
# ENABLE=1|0
# WAKEUP=1|0
# DEVICE=LISA-U200|UM03-KO
# LOCALADDR=192.168.5.34
# REMOTEADDR=
# NETMASK=255.255.255.0
# DEFAULTROUTE=1|0
# IDLE=30
# LCP_INTERVAL=30
# LCP_FAILURE=3