IpCAS ipEther232 - Technical Details for Telnet

ipEtherPC
Create Socket()
S
e
n
d
S
Y
N
,
s
e
q
=
n
“any Data to Transmit”
“some receive Data”
S
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n
d
S
Y
N
,
s
e
q
=
m
,
A
C
K
n
+
1
Passive OPEN Connection
Close Connection
Close Socket ()
RS232RS232
Active OPEN Connection
S
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n
d
A
C
K
m
+
1
S
e
n
d
P
a
c
k
e
t
1
S
e
n
d
A
C
K
1
S
e
n
d
P
a
c
k
e
t
2
S
e
n
d
A
C
K
2
S
e
n
d
P
a
c
k
e
t
3
S
e
n
d
P
a
c
k
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t
4
S
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n
d
P
a
c
k
e
t
5
S
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d
P
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t
6
S
e
n
d
A
C
K
3
S
e
n
d
P
a
c
k
e
t
7
Active Connection Receiver
Active Connection Sender
S
e
n
d
F
I
N
S
e
n
d
F
I
N
ipEther232.TelNet – Server Mode
5.9 Technical details for ipEther232.Telnet
ipEther232.Telnet
OEM Version Desktop Din-Rail-Unit
Änderungen vorbehalten Stand 09.09.05
ipcas GmbH ipEther232 V11.01 Seite 53 von 150