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Introduction
1-5
MOSCAD RTU
NFM Central MOSCAD
ToolBox
(over IP)
Ethernet
IP Gateway
(Proxy MIB)
IP Network
MDLC Network
Ethernet
TCP/IP
MOSCAD NFM RTUMOSCAD NFM RTU
MOSCAD NFM RTU
Network
Elements
Network
Elements
Network
Elements
MOSCAD NFM RTU
Network
Elements
MOSCAD NFM RTU
Network
Elements
Ethernet
Network
Elements
Network
Elements
SNMP
MOSCAD RTU
SNMP
Figure 1-3: General Architecture of the MOSCAD NFM System
The MOSCAD NFM via the IP Gateway allows the system to offer SNMP (Simple Network
Management Protocol) connectivity, therefore providing a standard interface to a wide range
of NMC platforms (such as HP/OpenView, SUN/Solstice, IBM/NetView etc.).
The MOSCAD Remote Terminal Unit (RTU) represents the Element Level of the network
management model. It collects the various inputs, outputs and analog signals via a variety of
input/output (I/O) modules. In addition, the MOSCAD RTU serially interfaces to
communication devices (radio, cellular and telecommunication) and is able to emulate (speak)
their ASCII based native protocol, allowing the MOSCAD to not only monitor alarms, but to
configure and change parameters as well.