Siemens SIMATIC NET S7-300 - Specifying ISO Transport Addresses

5 Configuring Communication Connections
A-118
S7-CPs for Industrial Ethernet Configuring and Commissioning
Release 01/2007
C79000-G8976-C182-07
5.4.2 Specifying ISO Transport Addresses
Address Parameters
An ISO transport connection is specified by the local and remote connection
endpoint.
 Local addresses:
Local MAC address and local TSAP
(Transport Service Access Point)
 Remote addresses:
Remote MAC address and remote TSAP
ISO transport
connection
MAC
address A
Ethernet station BEthernet station A
MAC
address B
Remote
TSAP
Local
TSAP
Local
TSAP
Remote
TSAP
Figure 5-6 Sending and Receiving on One ISO Transport Connection
Notice
The TSAPs of an ISO transport connection must match as follows:
Remote TSAP (on Ethernet CP) = local TSAP (in destination station);
Local TSAP (on Ethernet CP) = remote TSAP (in destination station);