Asus Xeon 5U Rackmount Server AP1720-E1 - Manual (Page 47)

2-31 ASUS AP1720-E1 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 following picture shows a two-backplane configuration in a cascade
connection.
First SCSI backplane
Second SCSI backplane
Cascade connection
SCSI terminator