Lantronix 1-T LAT Connections, 1.1 TCP/IP Socket Connections, 1.2 IPX/SPX Socket Connections

Incoming Connections Using the MSS

5.1.1.1 TCP/IP Socket Connections

The MSS supports TCP/IP socket connections to ports 2001 and 3001. Opening a TCP session to port 3001 will form a raw TCP/IP connection to the serial port. Port 2001 can be used when Telnet IAC interpretation is needed.

To specify a connection to a socket, use the Telnet command followed by the MSS IP address (or resolvable name) and the desired socket number.

Figure 5-1:TCP/IP Socket Connection

%TELNET mymss:2001

5.1.1.2IPX/SPX Socket Connections

The MSS supports SPX socket connections to port 9001. To make a socket connection, use the SPX command followed by the SAP name of the MSS.

Figure 5-2:SPX Socket Connection

Local> SPX MSS_xxxxxx_S1

5.1.2 LAT Connections

Most VMS applications require the creation of a LAT application port to access the MSS serial port. Programs can use the LAT application port as they would use a physical port for input and output. For example, an application might be conÞgured to use port LTA3419 which would allow it to access a device connected to the MSS serial port.

To conÞgure LAT on your VMS host, create a new and unique application port using the hostÕs LATCP program (in Figure 5-3, LTAnnnn represents any unused LAT port number). Map the application port to the MSS by specifying the MSS node name and the serial port name. Enter the following commands at the VMS prompt:

Figure 5-3:Creating a LAT Application Port

$ RUN SYS$SYSTEM:LATCP

LCP> CREATE PORT LTAnnnn/APPLICATION

LCP> SET PORT LTAnnnn/node=mssname/port=port_1

LCP> SHOW PORT LTAnnnn

LCP> EXIT

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