Asus AP6000 Hardware Reference - Page 20

II. System Components Hot-Swap Tray Connector Board The connector board is mounted on the hot-swap tray to interface with the SCSI backplane in the chassis. The connector board provides combines all the signal and power into one docking connector for a clean hot-swap unit. SLED KEY (not used) ALED_IN PLED (not used) SCSI_ID II. Components Hot-Swap Connector Hot-Swap Tray Wide SCSI Docking Connector Connector Hard Disk Drive Power Connector Hot-swap tray connector board parts Hot-Swap Tray Rear Connections KEY: These 2 pins connect to the keylock on the tray's front panel to turn on and off the drive's power. PLED: These 2 pins connect to the power LED on the front of the tray to show when the connector board receives power. SCSI_ID: These 8 pins connect to the hard disk drive's SCSI address pins to set the SCSI ID number of the hard disk drive. SLED & ALED: These two wires are connected as illustrated below. from tray's front panel 3 pin activity LED (SLED wire) Connector Bridge for LED KEY PLED SCSI_ID Power Hot-swap tray rear connections (Seagate HD) from hard disk drive's 2 pin activity LED (ALED wire) Bridge Green Black Red SLED (wire) Red Black ALED (wire) 20 AP6000 Hardware Reference Guide