Xerox 4540 Service Manual - Page 242
D.10 Fan Tray Connectors
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TABLE D-14 Backplane-to-Disk-Backplane Connector Signal Pins Pin Pin Name Pin B4 NC D4 B5 PS2_PRESENT_L D5 B6 PS0_PRESENT_L D6 B7 PS1_FAIL D7 B8 PS1_VIN_GOOD_L D8 B9 PS1_ENABLE_L D9 Pin Name 3_3_AUX_SENSE_N PS0_FAIL PS0_VIN_GOOD_L PS0_ENABLE_L 12V_SENSE_P 12V_SENSE_N D.10 Fan Tray Connectors The fan tray uses the S-ATA hard drive connector for the interface to the disk backplane. The pins have been designed so that no damage occurs if a fan tray is accidentally inserted into a hard drive slot or vice versa. TABLE D-15 lists the pins. TABLE D-15 Fan Tray Connectors Pin Name S1 GND S2 REMOVE_LED_L S3 FAIL_LED_L S4 PRESENT_L S5 FAN_TACH0 S6 FAN_TACH1 S7 GND P1 FAN_CTL0 P2 FAN_CTL0 P3 No Connect P4 GND P5 GND P6 GND P7 3.3AUX D-16 Sun Fire X4500/X4540 Server Service Manual • May 2010