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EonStor A08U/A12U-G2421 Installation and Hardware Reference Manual

27 SSEL+

61 SSEL-

28 SC_D+

62 SC_D-

29 SREQ+

63 SREQ-

30 SI_O+

64 SI_O-

31 SD8+

65 SD8-

32 SD9+

66 SD9-

33 SD10+

67 SD10-

34 SD11+

68 SD11-

C.2. COM1 Cable: DB9 and Audio Jack Pinouts

Figure CT-1: Serial Port Cable CN1 and CN2 Connectors

COM 1 Cable: C

onnects a PC running a terminal emulation program

CN1 Pin Number

Pin Name

1 Ground

2 TXD

3 RXD

CN2 Pin Number

Pin Name

1 NC

2 RXD

3 TXD

4 DTR

5 GND

6 DSR

7 RTS

8 CTS

9 NC

♦

Pin 4 and Pin 6 are shorted

♦

Pin 7 and Pin 8 are shorted

Table C-1: COM 1 Cable, RS-232C (Audio Jack)
Pin Out Definitions

C-2

COM1 Cable: DB9 and Audio Jack Pinouts