Asus AP1720-E2 AP1720-E2 English version manual - Page 56

Hardware setup, two-backplane

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Two-backplane configuration In a two-backplane configuration: • the upper SCSI interface of the first backplane connects to the SCSI card • the lower SCSI interface connects to the upper SCSI interface of the second backplane • a SCSI multi-mode terminator (LVD/SE) is placed on the lower SCSI interface of the second backplane First backplane Power connectors (connect power plugs from the power supply) Fan connector (for HDD fan) SMBus connector (upper 6-1 pins) (connects the SMB cable from the motherboard) SMBus connector (lower 6-1 pins) (connects the SMB cable to the second backplane) 68-pin SCSI connector (connects the SCSI cable from the SCSI card) Second backplane 68-pin SCSI connector (connects the SCSI cable to the second backplane) SMBus connector (upper 6-1 pins) (connects the SMB cable from the first backplane) Power SMBus connector (lower 6-1 pins) (connects the SMB cable from the power supply, if available) 68-pin SCSI connector (connects the SCSI cable from the SCSI card) 68-pin SCSI connector (with SCSI multi-mode terminator) 2-36 Chapter 2: Hardware setup

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Chapter 2:
Hardware setup
2-36
T
wo-backplane configuration
In a
two-backplane
configuration:
•
the upper SCSI interface of the first backplane connects to the SCSI card
•
the lower SCSI interface connects to the upper SCSI interface of the
second backplane
•
a SCSI multi-mode terminator (LVD/SE) is placed on the lower SCSI
interface of the second backplane
First backplane
Second backplane
68-pin SCSI connector
(with SCSI multi-mode terminator)
SMBus connector
(upper 6-1 pins)
(connects the SMB cable from the first backplane)
68-pin SCSI connector
(connects the SCSI cable to the
second backplane)
Power connectors
(connect power plugs
from the power supply)
68-pin SCSI connector
(connects the SCSI cable from the SCSI 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)
68-pin SCSI connector
(connects the SCSI cable from the SCSI card)
Power SMBus connector
(lower 6-1 pins)
(connects the SMB cable from the power supply,
if available)