User Guide Manual

SMX System MultiMatrix Switcher • SIS Configuration and Control 35

Establishing an Ethernet Connection

Establish a network connection to the SMX as follows:

1. Open a TCP socket to port 23 using the SMX IP address.

NOTE: If the local system administrators have not changed the value, the

factory-specificed default, 192.168.254.254, is the correct value for this field.

The SMX responds with a copyright message including the date, the name of the

product, firmware version, part number, and the current date/time (see

Switcher-Initiated Messages on page 36).

NOTES:

• If the SMX is not password-protected, the device is ready to accept SIS

commands immediately after it sends the copyright message.

• If the SMX is password-protected, a Password prompt appears below the

2. If the SMX is password-protected, enter the appropriate administrator or user

password.

3. If the password is accepted, the SMX responds with Login User or Login

Administrator

4. If the password is not accepted, the Password prompt reappears.

Connection Timeouts

The Ethernet link times out after a designated period of no communication. By default, this

timeout value is set at 5 minutes but the value can be changed (see the Configure global

IP port timeout command on page 58).

NOTE: Extron recommends leaving the default timeout at five minutes and periodically

issuing the Query (Q) command to keep the connection active. If there are long idle

periods, Extron recommends disconnecting the socket and reopening the connection

when another command must be sent.

Number of Connections

An SMX can have up to 200 simultaneous TCP connections, including all http sockets

and Telnet connections. When the connection limit is reached, the SMX accepts no new

connections until some have been closed. No error message or indication is given that

the connection limit has been reached. To maximize performance of an IP Link device, the

number of connections should stay low and unnecessary open sockets should be closed.

Using Verbose Mode

Telnet connections to the SMX can be used to monitor changes that occur on the switcher,

such as front panel operations and SIS commands from other Telnet sockets or a serial

port. For a Telnet session to receive change notices from the SMX, the Telnet session must

be in verbose mode 1 or 3 (see the Set verbose mode command on page 57).