GarrettCom DX40 manual 3 DB9 Female RS232 Serial Ports, 4 DB9 Female RS485 Serial Ports

CHAPTER 1 - Overview

Pinouts

1.4.3 DB9 (Female) – RS232 Serial Ports

Table 1-10defines the pinout of the DB9 female connector used with serial ports on the DX40 when they are configured for the RS232 interface. DB9 connectors are used on serial ports S1 and S2 for asynchronous or bit-oriented connections.

Table 1-10. DB9 RS232 Pinout

				6	7	8		9
Pin	Name	Dir.	Description						S1/S2S
				1	2	3	4	5
1	DCD	In	Data Carrier Detect from DCE.
2	RXD	In	Receive Data from DCE.
3	TXD	Out	Transmit Data to DCE.
4	DTR	Out	Data Terminal Ready to DCE.
5	GND	Pwr	Signal Ground.
6	DSR	In	Data Set Ready from DCE.
7	RTS	Out	Request To Send.
8	CTS	In	Clear To Send.
9	RI	In	Ring Indicator from DCE.

1.4.4 DB9 (Female) – RS485 Serial Ports

Table 1-11defines the pinout of the DB9 female connector used with serial ports on the DX40 when they are configured for the RS485 interface.

Table 1-11. DB9 RS485 Pinout

			6	7	8		9
Pin	Signal	Direction						S1/S2S
			1	2	3	4	5
1	RX-	In
2	RX+	In
3	TX-	Out
4	TX+	Out
5	GND	Power
6	Not Used
7	Not Used
8	Not Used
9	Not Used

DX40 Serial Device Router Installation Guide

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