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Chapter 8 – Auto Dial-in Feature
Multi-Tech Systems, Inc. MultiConnect Serial-to-Serial Adapter User Guide (S000354A) 77
MultiConnect IP Auto Dial-In Setup in Telnet Mode Commands
# set serial auto-telnet enable
# set serial s0 auto-dialin enable
# set serial s0 auto-dialin trig-mode dtr-char
# set serial s0 auto-dialin-ipaddress 202.54.39.96
# set serial s0 auto-dialin-port 5000
# set serial s0 auto-dialin-protocol telnet
# set serial s0 stop-bits 1
# set serial s0 baud-rate 115200
# set serial s0 data-bits 8
# set serial s0 parity none
# set serial s0 flow-control rts-cts
# set serial s1 stop-bits 1
# set serial s1 baud-rate 115200
# set serial s1 data-bits 8
# set serial s1 parity none
# set serial s1 flow-control rts-cts
# set serial s1 connect-type modem
# set serial s1 modem dial-number 123
# set serial s1 modem dialing-trig-mode none
(Refer to the Chapter 6 Prerequisite Configurations - Physical Link Established over the Modem
Port for more details)
# set ppp ppp0 ipcp-mode client-only
# set ppp ppp0 username "MultiConnect"
# set ppp ppp0 password "MultiConnect"
# save
Once the PPP link is up with an IP address, the auto dial-in session can be probed. When
detecting either a DTR signal or when any character is received from the serial device connected
to the RS-232 serial port of MultiConnect IP, the Telnet client on board in the MultiConnect IP
establishes a Telnet session to 202.54.39.96 on port 23.
The serial tunnel between the serial device and the Telnet Server terminates in one of the
following conditions.
• The connection is broken between the serial device and the serial port of the
MultiConnect IP.
• The Telnet Client on board is terminated.
• The Telnet Server terminates the session.
Notes:
1. You cannot open more than one Dial-in session.
2. The Dial-in session is closed when the configuration session is closed (if opened).
3. When escape-monitor is enabled, care should be taken during file transfer that the escape-
monitor-string is not part of the data.