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

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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
			4	5	6	-1
			1	2	3
					AUXIN	RS-422 or
					AUXIN	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		RXEN

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.

Image 30

Contents DS-200/300 Page Warranty Information DS-200/300Quatech Inc Iii Table of Contents General Information This Page Intentionally Left Blank Installation Photo of DS-200/300 Quatech Inc Windows 95 Configuration Using the Add New Hardware WizardQuatech Inc Viewing and Changing Resources with Device Manager Page Page Setting the address Addressing PortsSerial 0 uses SW1 and SW2 Serial 1 uses SW3 and SW4 Enabling or disabling ports Recommended addresses for serial portsData Rate Multiplier Data Rate Multiplier Jumper BlockOptions Register Options Register bit definitions This Page Intentionally Left Blank Interrupt Level IRQ Interrupt level IRQ selection Quatech IncInterrupt Sharing Interrupt Status Register contents Quatech Inc Interrupt Status RegisterThis Page Intentionally Left Blank Output Configuration Jumper/Channel/Function correspondenceRTS/CTS handshake RclkXclk AUXIN/AUXOUT Loopback Xclk selection on J5, J7Half Duplex/Full Duplex selection J6/J8 J6 = Serial0 J8 = Serial1Factory Default Configuration of DS-200/300 Output control block diagramTermination Resistors RS-422/485 Peripheral ConnectionDS-200/300 connector definitions for RS-422/485 This Page Intentionally Left Blank Specifications Baud RatesQuatech Inc Troubleshooting Computer will not boot upPage DS-200/300 Revision March