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COMSPHERE 6800 Series Network Management System
4-28 January 1997 6800-A2-GN22-30
Connecting ACCULINK Multiplexers
The NMS provides the following two forms of network management support for ACCULINK
multiplexer products:
• Alert management
• Command support
The alert management feature permits the NMS to report alarms and events from the multiplexers.
The command feature allows the NMS to send tests and commands to the multiplexer and display
the results on the host processor.
Configuration Options
This section explains how to connect the ACCULINK multiplexers and the 719 NETWORKER to
the host processor. Three serial ports are required for multiplexer communication:
• Event Port — All multiplexer network events and alarms are directed to this port. When the
events and alarms enter the host processor, they are selectively filtered for display as alerts.
• External Systems Port — This port permits access to the internal menus of individual
multiplexers via the 6800 Series NMS’s external cut-through feature. This provides the user
with a transparent interface to the menus and allows the same user interaction that is
available when a terminal is directly connected to the network administration port (NAP) of
a multiplexer.
• Command Port — The 6800 Series NMS commands are transmitted from the host
processor to the multiplexer network, and the network results are received by the 6800
Series NMS via this port.
The ports can be connected either to a NAP on an ACCULINK 74x multiplexer or a channel port
on a 719 NETWORKER. The port connection requirements permit five basic configurations.
These are explained below.