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Back side – Asus AP1720-E2 User Manual

Page 55

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ASUS AP1720-E2 barebone server

Back side

The back side of SCSI backplane
faces the rear panel when installed.
This side includes the power
connectors, SCSI interfaces for the
SCSI/RAID card and terminator, and
SMBus connectors.

The picture shows a two-backplane
configuration in a cascade
connection.

First SCSI backplane

Second SCSI backplane

Cascade connection

SCSI terminator

One-backplane configuration

In a one-backplane configuration:

the upper SCSI interface of the backplane connects to the SCSI/RAID card

a SCSI multi-mode terminator (LVD/SE) is connected to the lower
SCSI interface of the backplane

68-pin SCSI connector

(with SCSI multi-mode terminator)

Power connectors

(connect power plugs
from the power supply)

68-pin SCSI connector

(connects the SCSI cable from the SCSI/RAID card)

SMBus connector

(upper 6-1 pins)

(connects the SMB cable from the
motherboard)

Fan connector

(for HDD fan)

SMBus connector

(lower 6-1 pins)

(connects the SMB cable to the second backplane)