Toshiba V Series - Socket Information; Structure of Single Ethernet Socket Information

70 model 3000 Ethernet Module / DS Connection Module Operation Manual
Chapter 7 Application Interface
7
7.1 Socket Information
7.1.1 Structure of single Ethernet socket information
Status information on each single Ethernet socket is shown in figure 7-1.
Figure 7-1 Status Information on Each Single Ethernet Socket
Conditions where each of the following bits takes the value "1"
TCP: Single Ethernet socket TCP used
UDP: Single Ethernet socket UDP used
AOP: Single Ethernet socket active open (TCP only)
POP: Single Ethernet socket passive open (TCP only)
CON: Single Ethernet being connected (TCP only)
RCV: Data received
RCL: Single Ethernet cut by opposite station during connection process (TCP only)
Conditions where each of the following bits takes the value "0"
TCP: Single Ethernet socket close requested
UDP: Single Ethernet socket close requested
AOP: Single Ethernet socket close requested
POP: Single Ethernet socket close requested
CON: Single Ethernet socket close requested or disconnected by opposite station
RCV: No data received
RCL: Single Ethernet socket close requested
TCP UDP AO P
POP
CO N RCL
reserve
F E D C B A 9 8 0
RC V