Specifications

Glossary–10
multiswitch backplane
A backplane that allows flexible allocation of its signals so that multiple local area
network (LAN) segments can be managed. The DEChub 900 MultiSwitch has a mul-
tiswitch backplane.
network
A collection of computer access terminals, and other devices together with the hard-
ware and software that enables them to exchange data and share resources over either
short or long distances.
network management
In the OSI model, the five functional application areas of accounting management,
configuration management, fault management, performance management, and secu-
rity management.
network management application
A collection of software tools that provides information about the network by com-
municating with agent software in the managed objects.
network management station (NMS)
A PC or OpenVMS workstation equipped with an Ethernet, FDDI, or Token Ring
network module and clearVISN software, which enables it to communicate with and
manage network modules.
network modules
Any modular devices that provide network connectivity or services that can be
installed in a DEChub backplane, Digital MultiStack System, docking station, or
used standalone. These include, but are not limited to, repeaters, concentrators,
bridges, brouters, access servers, switches, and SNMP agents.
NVRAM
Nonvolatile random access memory.
out-of-band management (OBM)
Management of a network module or device over a telephone line or direct line to a
dedicated management port, rather than sending management traffic over the net-
work.