15-41
15 Ethernet
CP2E CPU Unit Software User’s Manual(W614)
15-5 Socket Services
15
15-5-5 Auxiliary Area Allocations
Bit Switch Status Manipulated
by
Unit operation Access
8 0 UDP Open Request
Switch
ON User UDP socket opened when switch is turned
ON.
Read/Write
OFF Unit Unit turns OFF switch when open processing
has been completed (i.e., when a connection
has been made).
9 1 TCP Passive Open
Request Switch
ON User Passive TCP socket opened when switch is
turned ON.
OFF Unit Unit turns OFF switch when open processing
has been completed (i.e., when a connection
has been made).
10 2 TCP Active Open
Request Switch
ON User Active TCP socket opened when switch is
turned ON.
OFF Unit Unit turns OFF switch when open processing
has been completed (i.e., when a connection
has been made).
11 3 Send Request
Switch
ON User Send processing executed when switch is
turned ON.
(The protocol (TCP/UDP) is determined when
the socket is opened.)
OFF Unit Unit turns OFF switch when send processing
has been completed.
12 4 Receive Request
Switch
ON User Receive processing executed when switch is
turned ON.
(The protocol (TCP/UDP) is determined when
the socket is opened.)
OFF Unit Unit turns OFF switch when receive process-
ing has been completed.
13 5 Close Request
Switch
ON User Close processing executed when switch is
turned ON.
(The protocol (TCP/UDP) is determined when
the socket is opened.)
OFF Unit Unit turns OFF switch when close processing
has been completed.
14 6 Reserved --- --- --- ---
15 7 Reserved --- --- --- ---