Digital Equipment DECagent 90, User Information

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Overview
Introduction
This chapter provides an overview of the DECagent 90 module. It also lists the
features of the DECagent 90, describes the LEDs and connectors, and provides
information about community strings.
Features
The following list summarizes the features of the DECagent 90. The
DECagent 90
• Can be installed as a standalone module or in a DEChub 90 backplane
• Needs no downline load at power-up
• Is downline loadable for firmware upgrades (MOP protocol)
• Can be directly managed through SNMP
• Stores MIB settings in battery-backed RAM
• Provides out-of-band console port
• Allows hot swap of modules
Description
The DECagent 90 is a network management agent designed for the IEEE 802.3
CSMA/CD networks. The DECagent 90 uses a Simple Network Management
Protocol (SNMP) agent. The DECagent 90 has one ThinWire port and one
asynchronous RS-232 port. The ThinWire port complies with the IEEE 802.3
standard for 10Base2 networks.
The DECagent 90 is a self-contained module that uses a Motorola 68000
central processing unit (CPU). The DECagent 90 can operate in a standalone
configuration with a dual 5- and 12-volt power supply, or in a DEChub 90
Ethernet backplane.
Overview 1–1