Asus AP2400R AP2400R 2U Server User Manual English Edition - Page 32

SCSI Backplane The two SCSI backplane supports three Ultra160 SCA SCSI hard disks each for a total of six. The backplane design incorporates a hot-swap feature to allow easy connection or removal of SCA SCSI hard disks. The LED connector on the backplane connects to the front panel LEDs to indicate HDD access, HDD failure, thermal failure, and fan failure. Front Side The front side of the backplane has three 80-pin SCA SCSI connectors available for SCA SCSI hard disks. The hard disks are externally accessible from the front of the server. 80-pin SCA SCSI Connectors Back Side Each backplane includes power, SMB, LED, and SCSI connectors. Left Board #2 (viewed from back) SCSI Con. (from right board) (1) (2) (3) Right Board #1 (viewed from back) SCSI In (from motherboard) SMB in from MB SMB out to left board LED out to front panel SCSI Connector (for terminator) (1) SMB in from right board (2) SMB out to power supply (3) LED out to front panel Backplane Power SCSI out Connector to left board NOTE The SCSI backplane is already installed in the system chassis. You do not need to remove the backplane when installing components or connecting cables. 32 Chapter 3: Hardware Setup