Xerox 4540 Service Manual - Page 233
High-Speed Dock Connectors Sun Fire X4500, Hi-Speed Dock Connector
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High-Speed Dock Connectors (Sun Fire X4500) Each disk drive uses two 111-circuit Hi-Speed Dock connectors shown in FIGURE D-6. FIGURE D-6 Hi-Speed Dock Connector TABLE D-7 I/O-to-Disk Backplane (J24 to J49) Connector Pinouts Pin Pin Name Pin A1 FRONT_USB_P B1 A2 FRONT_USB_N B2 A3 5V_AUX B3 A4 PS2_BATT_L B4 A5 DISK36_TX_P B5 A6 DISK36_TX_N B6 A7 DISK24_RX_N B7 A8 DISK24_RX_P B8 A9 DISK36_ACT_LED_L B9 A10 DISK13_ACT_LED_L B10 A11 DISK0_TX_P B11 A12 DISK0_TX_N B12 A13 DISK1_TX_N B13 A14 DISK1_TX_P B14 A15 DISK25_RX_P B15 A16 DISK25_RX_N B16 A17 DISK37_TX_N B17 A18 DISK37_TX_P B18 Pin Name Pin SHORT_PIN1 C1 P3_3V C2 5V_AUX C3 GND C4 DISK36_RX_N C5 DISK36_RX_P C6 DISK12_TX_P C7 DISK12_TX_N C8 DISK24_ACT_LED_L C9 DISK1_ACT_LED_L C10 DISK0_RX_N C11 DISK0_RX_P C12 DISK13_RX_P C13 DISK13_RX_N C14 DISK25_TX_N C15 DISK25_TX_P C16 DISK2_RX_P C17 DISK2_RX_N C18 Pin Name POWER_BUTTON_L LOCATE_BUTTON_L P5V GND DISK24_TX_P DISK24_TX_N DISK12_RX_N DISK12_RX_P DISK12_ACT_LED_L DISK0_ACT_LED_L DISK1_RX_P DISK1_RX_N DISK13_TX_N DISK13_TX_P DISK37_RX_P DISK37_RX_N DISK2_TX_N DISK2_TX_P Appendix D Connector Pinouts D-7
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