Dot Hill Systems II 200 FC service manual D.2 DB9 COM Port, Table D-2 Pin Names

Table D-1Ethernet RJ-45 Pin Description (Continued)

Pin No.	Description	Color
6	RX –	Green
7	Not	White with brown
	connected
8	Not	Brown
	connected

D.2 DB9 COM Port

The COM port is a female DB9 connector that requires a male DB9 null modem cable.

Figure D-2RS-232 DB9 (EIA/TIA 574) View of the Male End

Table D-2 Pin Names

Pin No.	Name	Notes/Description
1	DCD	Data Carrier Detect
2	RD	Receive Data (also called RxD, Rx)
3	TD	Transmit Data (also called TxD, Tx)
4	DTR	Data Terminal Ready
5	GND	Ground
6	DSR	Data Set Ready
7	RTS	Request To Send
8	CTS	Clear To Send
9	RI	Ring Indicator

D-2SANnet II 200 FC, SATA, and SATA SE Array Installation, Operation, and Service Manual • March 2005