SATO s86ex - Connection and Disconnection of Session

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6.14 Connection and disconnection of session
The socket server function connects and disconnects the print data port (Port 1024), the status reply port (Port 1025) and
the sending and receiving port (Port 9100 or Port 1024) in the following manner.
1) print data port (Port 1024), status return port (Port 1025)
Host
Printer
Print data
(Port1024)
CONNECT
(Port1024､Port1025)
ACCEPT
LISTEN
CLOSE
LISTEN
Print data
(Port1024)
Print
Print
Status request
(Port1024)
CLOSE
(Port1024､Port1025)
CONNECT END
Printer status
（Port1025）
CONNECT success
2
）
send/receive port (Port9100 or Port1024)
Host
Printer
connect
CONNECT
(Port1024 or Port9100)
ACCEPT
LISTEN
CLOSE
LISTEN
Print
Status request
(Port1024 or Port9100)
CLOSE
(Port1024 or Port9100)
CONNECT END
Printer status
（Port1024 or Port9100）
Print data
(Port1024 or Port9100)
CONNECT success