Quatech user manual Factory Default Configuration of DS-200/300, Output control block diagram

XCLK

RTS

CTS

RCLK DTR DSR DCD RI

					AUXOUT	RS-422 or
						RS-485
						Driver
4	5	6				TXEN
1	2	3	4	5	6	-1
			1	2	3
					AUXIN	RS-422 or
						RS-485
						Receiver
						RXEN

+

-

+

-

Figure 22 --- Output control block diagram

7.6 Factory Default Configuration of DS-200/300

The DS-200/300 is shipped from the factory with each channel configured as shown in Figure 23.

AUXOUT RTS

XCLK TXEN TXEN

/TXEN

5	6
1	2

CTS

AUXIN

7

3

	4	5	6
	1	2	3
	DTR		RXEN
RCLK	RTS

J5, J7	J6, J8
Loopback RTS to CTS	Full Duplex Operation
Loopback AUXOUT to AUXIN
Loopback XCLK to RCLK

Figure 23 --- Factory Default Configuration on J5-J8

7-5 Quatech Inc.