options.ttys0

实现MODBUS RTU的完整代码

# no modem control lines
local
nocrtscts

# local address:remote address
10.0.10.1:10.0.10.2
# pppd waits for connection on ttyS1
passive
# pppd stays enabled even if remote disconnects.
persist
# proxy into lan
proxyarp
# disable compressoin 
#nodeflate
#nobsdcomp
#novj