48
Established
Inactivity time-out
TCP connection request rejected
Or internal TCP time-out
TCP connection request accepted
Sync-Sent
Incoming data via serial port
Incoming data
from remote host
In-coming TCP Close request
Listen
Incoming TCP connection request
Incoming data via serial port
Sync-Recvd
Reject
Accept
Closed
Data
Figure 4-5 State Transition Diagram of TCP mode
4.2.3.2. UDP mode
The UDP mode operation is similar to that of
TCP
mode except that it is based on UDP protocol and
only one pre-defined remote host is able to communicate with the Pro Series. Users do not have to
configure
cyclic connection,
since UDP is a connectionless protocol.
Содержание HelloDevice Pro PS110
Страница 1: ...1 Universal Device Servers HelloDevice Pro Series PS110 410 810 User Guide Version 1 4 0 2007 05 07...
Страница 24: ...24 Figure 2 19 The Pro Series web management screen...
Страница 93: ...93 Termination Resistor at Tx side can be omitted if the signal status is good Figure A 8 RS422 wiring diagram...