SWT 3000 Equipment Manual SNMP and Remote Access
© SIEMENS AG 2008 Edition p3_3_2x 08/09 Page - 9
Functional diagram
The figure below shows a functional diagram of the SNMP system:
Figure 5: SNMP Functional diagram
Components:
• TCP/IP protocol stack:
The TCP/IP protocol stack handles the internet communication of the LAN1. The
LAN2 interface is not used!
• SNMP
Handling of the SNMP access of the spontaneous indication (traps)
• MIB
The management information base (MIB), contains the status information of the
SWT 3000 system.
• IPC
Inter process communication for communication and synchronization of the proc-
esses.
• Poll
Polling function for the cyclic request of the status information from the connected
device.
• Communicator
Management of the RS232 interface. Switch over between polling mode and direct
connection of the service program.
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