A customer-replaceable unit (CRU) that connects the ServerNet SAN inside a server to an
Asynchronous Transfer Mode (ATM) network through a logical connection known as an ATM line.
Each ATM CRU contains one

ATM line

Location in OSM Tree: System > Group > Module > ATM3SA

Slot Location: ATM CRUs can be located in slots 53 and 54 in processor enclosures (service side)
or in slots 51, 52, 53, and 54 in I/O enclosures (service side).

Example: ATM3SA (12.1.53)

Attributes

ATM3SA

Service State

Displayed in the Attributes tab and Attributes dialog box only if attention or service is
required.

Values

Physical

Power State

Indication of whether the component is powered On or Off.

Part Number

The part number of the component that was assigned in manufacturing. Use
part numbers for identifying and ordering parts.

Track ID

A unique serial number that identifies the component. Track IDs are used for
tracking components.

Hardware Revision

A code that identifies the generation of the component. Hardware revision
codes are used for tracking components.

Logical

Dump Filename

The name of the file used to store dumps of the ATM CRU memory.

Physical Transmission Type

The type of transmission used by the ATM CRU. This might be either
a standard, such as SONET, or a line speed, such as 155 Mbps.

MAC Address

The media access control (MAC) address of the ATM CRU.