Multi-Tech Systems MTS2SA-T-R ユーザーズマニュアル

Chapter 7 – Telnet Dialout  

Multi-Tech Systems, Inc. MultiConnect Serial-to-Serial Adapter User Guide (S000354A) 

 

 

 

The Telnet feature allows you to access the serial port and establish two-way traffic between the 
Telnet/RAW-TCP client and the serial device.  
This chapter provides examples of a Telnet client on an IP network (over the modem port) connecting 
to a remote serial device. The MultiConnect IP acts as a Terminal Server using the Telnet dialout 
feature.  

The MultiConnect IP, acting as a Terminal Server, accommodates the following features:  

• 

Authenticates the serial port. 

• 

Monitors and waits for activity on the standard Telnet port (23) or user-defined RAW-Socket.  

• 

Opens the serial port from the command prompt (manual dialout) . 

• 

Opens the serial port directly (auto dialout) using a TCP Client according to the configured 
port-number. 

• 

Switches between the command prompt and a dial-out session when the session is in Telnet 
mode. 

 

The following items must be configured in order to use the dial-out feature: 

• 

Disable the Host Interaction Mode to restrict Telnet-Dial-Out and PPP. 

# set serial s0 host-interaction-mode disable 

• 

Enable Auto dial-out globally on all the serial ports. 

# set ip telnet auto-dialout enable  

• 

Enable Auto dial-out on the serial port S0. 

# set serial s0 auto-dialout enable  

• 

Set the Auto dialout port for the serial port S0. 

# set serial s0 auto-dialout-port <port_number> 

• 

Set the Auto dialout protocol for the serial port S0.  

# set serial s0 auto-dialout-protocol telnet 

An ERROR message displays if any of the above details are not configured or are not valid.