Chapter 5 Operating
2104.6536.72 - 5.24 - E-1
2. Mark the session (the user) that you want to close.
3. Select Delete selected session.
The marked session is closed.
4. Return to the previous browser window by clicking Show user list.
1.5 Monitoring and Control via SNMP
SNMP (Simple Network Management Protocol) is used for monitoring and controlling a
wide variety of different units in a network. Detailed information about this topic can be
found under http://www.wikipedia.org/.
A description of the unit - the MIB (Management Information Base) - must be loaded in the
central unit ("manager") from which the transmitters are monitored.
A monitored unit contains a program ("agent") which can answer queries from the manager
and execute commands. Furthermore, the agent may of its own accord generate a mes-
sage and send it to the manager. In this way, the central unit can be informed of a fault.
1.5.1 Installation
The MIBs required for monitoring and controlling a transmitter are stored as a ZIP archive
in the transmitter control unit, from where they can be downloaded with the aid of any net-
work-capable instrument. All of the information required for configuration is contained in the
MIBs themselves.
During startup, both the agent in the exciter and the manager must be configured. Addition-
al steps may be necessary if the exciter is connected via routers, firewalls or similar devices
as they may block data packets.
The XX8000 transmitter family supports versions SNMPv1 and SNMPv2c.
Alarms can be transmitted as v1 traps or v2 traps.
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