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MIB Viewer is a free SNMP MIB browser and database with over 12,000 MIBs and 1,600,000 OIDs. Search by name, OID, or number to look up any MIB object, view its syntax, access level, and description, trace its place in the MIB tree, and generate ready-to-run SNMP commands — all in your browser.

What's a MIB?

A MIB (Management Information Base) is a structured document that defines the data a device exposes over SNMP — things like interface counters, system uptime, or CPU load. Each module declares a set of named objects, organized into a tree.

What's SNMP?

SNMP (Simple Network Management Protocol) is how network devices — routers, switches, servers — report status and statistics to monitoring tools. It's the protocol; MIBs are the vocabulary it uses to describe what's being asked for.

What's an OID?

An OID (Object Identifier) is the numeric address of one piece of data in a MIB — a dotted sequence like 1.3.6.1.2.1.1.1, read from the root of a global tree down to one specific object. Names are easier to read; OIDs are what's actually sent over the wire.

Try it: sysDescr (1.3.6.1.2.1.1.1) →

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FANS-POWER-MIB

49 objects

No module-level DESCRIPTION found.

Imported Objects

SNMPv2-SMI

enterprises OBJECT-TYPE

OID	Name	Access	Status	Description
1.3.6.1.4.1.3902	Nodezte
1.3.6.1.4.1.3902.3	Nodezxr10
1.3.6.1.4.1.3902.3.4998	Nodefan
1.3.6.1.4.1.3902.3.4998.1	ScalarfanType	read-only	current	the description of fans type.
1.3.6.1.4.1.3902.3.4999	Nodepower
1.3.6.1.4.1.3902.3.4999.1	ScalarpowerType	read-only	current	the description of power type.
1.3.6.1.4.1.3902.3.5000	TablefanTable	not-accessible	current	the description of fans infomation.
1.3.6.1.4.1.3902.3.5000.1	RowfansEntry	not-accessible	current
1.3.6.1.4.1.3902.3.5000.1.1	ColumnfansPositon	read-only	current
1.3.6.1.4.1.3902.3.5000.1.2	ColumnfansNumber	read-only	current
1.3.6.1.4.1.3902.3.5000.1.3	ColumnfansStatOfFan1	read-only	current
1.3.6.1.4.1.3902.3.5000.1.4	ColumnfansStatOfFan2	read-only	current
1.3.6.1.4.1.3902.3.5000.1.5	ColumnfansStatOfFan3	read-only	current
1.3.6.1.4.1.3902.3.5000.1.6	ColumnfansStatOfFan4	read-only	current
1.3.6.1.4.1.3902.3.5000.1.7	ColumnfansStatOfFan5	read-only	current
1.3.6.1.4.1.3902.3.5000.1.8	ColumnfansStatOfFan6	read-only	current
1.3.6.1.4.1.3902.3.5000.1.9	ColumnfansStatOfFan7	read-only	current
1.3.6.1.4.1.3902.3.5000.1.10	ColumnfansStatOfFan8	read-only	current
1.3.6.1.4.1.3902.3.5001	NodepowerStatInfo
1.3.6.1.4.1.3902.3.5001.1	ScalarpowerStatACVoltage	read-only	current
1.3.6.1.4.1.3902.3.5001.2	ScalarpowerStatACCurrent	read-only	current
1.3.6.1.4.1.3902.3.5001.3	ScalarpowerStatDCVoltage	read-only	current
1.3.6.1.4.1.3902.3.5001.4	ScalarpowerStatDCCurrent	read-only	current
1.3.6.1.4.1.3902.3.5001.5	ScalarpowerStatACError	read-only	current
1.3.6.1.4.1.3902.3.5001.6	ScalarpowerStatRectifyError	read-only	current
1.3.6.1.4.1.3902.3.5001.7	ScalarpowerStatMod1AvailStatus	read-only	current
1.3.6.1.4.1.3902.3.5001.8	ScalarpowerStatMod2AvailStatus	read-only	current
1.3.6.1.4.1.3902.3.5001.9	ScalarpowerStatMod3AvailStatus	read-only	current
1.3.6.1.4.1.3902.3.5001.10	ScalarpowerStatMod1OperStatus	read-only	current
1.3.6.1.4.1.3902.3.5001.11	ScalarpowerStatMod2OperStatus	read-only	current
1.3.6.1.4.1.3902.3.5001.12	ScalarpowerStatMod3OperStatus	read-only	current
1.3.6.1.4.1.3902.3.5002	NodenewFanStatInfo
1.3.6.1.4.1.3902.3.5002.1	ScalarnewFanTopFanStatus	read-only	current
1.3.6.1.4.1.3902.3.5002.2	ScalarnewFanBottomFanStatus	read-only	current
1.3.6.1.4.1.3902.3.5003	NodenewPowerStatInfo
1.3.6.1.4.1.3902.3.5003.1	ScalarnewPowerStatMod1AvailStatus	read-only	current
1.3.6.1.4.1.3902.3.5003.2	ScalarnewPowerStatMod2AvailStatus	read-only	current
1.3.6.1.4.1.3902.3.5003.3	ScalarnewPowerStatMod3AvailStatus	read-only	current
1.3.6.1.4.1.3902.3.5003.4	ScalarnewPowerStatMod1OperStatus	read-only	current
1.3.6.1.4.1.3902.3.5003.5	ScalarnewPowerStatMod2OperStatus	read-only	current
1.3.6.1.4.1.3902.3.5003.6	ScalarnewPowerStatMod3OperStatus	read-only	current

Type Definitions

Name	Syntax	Status	Description
DisplayString	OCTET STRING
FanPosition	INTEGER { cabinet-fan-top(1), trunk-fan-top(2), trunk-fan-bottom(3) }
FanStat	INTEGER { offline(0), online(1) }
FanType	INTEGER { newfan(1), oldfan(2) }
NewFanStat	INTEGER { abnormal(0), full-speed(1), half-speed(2), null(3) }
PowerAvailStatus	INTEGER { offline(0), online(1), null(2) }
PowerOperStatus	INTEGER { normal(0), abnormal(1), null(2) }
PowerType	INTEGER { oldpower(2), newpower(3) }