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Appendix D: SNMP MIBS

ManageUPSNET User Instruction Manual 47

Appendix D: SNMP

MIBS

About UPS MIBS

(RFC1628)

In May 1994, RFC1628 was published. This

Request For Comments (RFC) is an Internet

Proposed Standard that deﬁnes a portion of the

Management Information Base (MIB) for use

with network protocols in the internet

community. In particular, it deﬁnes objects for

managing uninterruptible power supply (UPS)

systems.

This is signiﬁcant in many ways. The UPS

industry has worked together to produce a

document that deﬁnes the kinds of information

and control capabilities that UPSs should be

able to support. The beneﬁt to the user is that

UPSs that conform to this RFC will be

consistent from a management perspective —

well almost.

RFC1628 is a MIB that is written with some

SNMP Version 2 (SNMPv2) conventions. The

reason this was done was to allow for different

levels of conformance, which was not an option

with SNMPv1. However, among other things,

there are references to data types that were not

found in SNMPv1. What this means is that the

Proposed Standard UPS MIB is not compatible

with many SNMPv1 Network Management

Stations (NMS).

An SNMPv1 compatible “translation” of

RFC1628 is included with the ManageUPS

NET

Adapter. This MIB is functionally equivalent to

RFC1628 and is compatible with SNMPv1

NMS’s. The OID for this MIB (and all it's

objects) are the same as RFC1628.

Since the SNMPv1 translation of RFC1628 is

not an ofﬁcial document, it does not have an

authoritatively assigned name. ONEAC has

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