Index

port numbers, 99

TCP status, 199

TCP sockets, 184

number, 117 status, 199

UDP socket number, 117

UDP sockets, 166

Software switch field, 23

specifications FTP server, 68

mail receive function, 36 mail send function, 17

SRES, 139

static electricity, xxiv

precautions, xxv

STD field, 41 switches

Socket Service Request Switches, 119

T

TCP Active Open Request Switch, 119 TCP communications

comparison with UDP, 100 data fragmentation, 102 precautions, 102 programming example, 127, 141 socket services

parameters, 116 sockets, 100

status, 199 status transitions, 199

TCP Passive Open Request Switch, 119

terminal blocks, xxiii

Test command, 36 command/response format, 58

Test field, 42

timers, 195

timing

socket communications, 139 socket services, 139

transmission delays, 157, 192

socket services, 157

Trigger No. field, 22

Trigger type field, 20

triggers, 13, 17, 18, 23

conditions, 13

TXT field, 41

TXT format, 15, 26, 61 type command, 68, 73, 76

U

UDP communications comparison with TCP, 100 data fragmentation, 102 precautions, 102 programming example, 131, 149 socket services

parameters, 116

UDP Open Request Switch, 119

UDP/IP communications, 4

UMBackup command, 2, 36 command/response format, 47

UMBackup field, 41

UNIX

application examples, 86 socket port numbers, 99

Use POP before SMTP field, 5, 19, 39 user command, 68, 73, 74

user name specifying, 74

User-defined mail address field, 22

W

Word value change field, 23

WRITE DATA FILE (FWRIT) instruction, 26, 60

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