Overview

The Ethernet Backplane Diagnostics object presents the instances, attributes and services described below.

Class ID

407 (hex), 1031 (decimal)

Instance IDs

The Ethernet Backplane Diagnostics object presents two instances:

  • 0: class

  • 1: instance

Attributes

Ethernet Backplane Diagnostics object attributes are associated with each instance, as follows:

Instance ID = 0 (class attributes):

Attribute ID

Description

GET

SET

01

Revision

X

—

02

Maximum Instance

X

—

03

Number of Instances

X

—

X = supported

— = not supported

Instance ID = 1 (instance attributes):

Attribute ID

Description

Type

GET

SET

Value

hex

dec

01

01

Backplane Ethernet Port Status

UINT

X

—

Link status/health of each module on the backplane:

  • bit 0-14: 0 = link is up, 1 = link is down

  • bit 15: 0 = backplane is in normal operating state

  • bit 15: 1= backplane is not in normal operating state

02

02

Extended Health of Ethernet Backplane

UINT

X

—

For all bits, below, 0 = no error detected, 1 = error detected:

  • Bit 0: SMI error detected

  • Bit 1: HUBIX error detected

  • Bit 2: Undervoltage detected

  • Bit 3: Overvoltage detected

  • Bit 4: Backplane head did not respond

  • Bit 14: Backplane firmware is not compatible

  • Bit 15: Backplane did not respond

  • Other bits: reserved

X = supported

— = not supported

Services

The Ethernet Backplane Diagnostics object performs the following services upon the listed object types:

Service ID

Description

Class

Instance

Notes

hex

dec

01

01

Get_Attributes_All

X

X

Returns:

  • all class attributes (instance = 0)

  • instance attributes 1 to 7 (instance = 1)

0E

14

Get_Attribute_Single

X

X

Returns the value of the specified attribute.

X = supported

— = not supported