Quatech RS-485 user manual RS-422/485 Peripheral Connection, DSC-200/300 connector definitions

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7.7 RS-422/485 Peripheral Connection

The DSC-200/300 is a DTE device which connects to peripheral equipment through two female D-9 connectors. The standard serial port connections are listed in Figure 22.

7.8 RS-422/485 Peripheral Connection

The DSC-200/300 connects to peripheral equipment through two female D-9 connectors. The serial port connector definitions are listed in Figure 22.

SignalDescription	D-9 Connector Pin

TxD+	2

TxD-	7

RxD+	4

RxD-	8
AUXOUT+	1

AUXOUT-	6

AUXIN+	5

AUXIN-	9

GND	3

Figure 22 --- DSC-200/300 connector definitions

5

9

4

8

3

7

2

6

1

D-9 connector (CN2 and CN3)

Figure 23 --- DSC-200/300 output connectors

Quatech DSC-200/300 User's Manual

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Contents DSC-200/300 Date of Purchase Model Number Page Declaration of Conformity IND Option --- Surge Suppression Upgrade Changing Resource Settings with Device Manager2 AUX0SEL1,0, AUX1SEL1,0 J12,11,19,18 4 TGL0SEL1,0, TGL1SEL1,0 J15,14,22,21External Connections Half-Duplex/Full-Duplex/Auto-Toggle SelectionGeneral Information Features DSC-200/300 Product Series SummarySignal Connections Full-duplex/Half-duplex OperationJumpers J10-J23 define the options for this card RCLK0SEL, RCLK1SEL J13 1 CTS0SEL, CTS1SEL J10,17RXEN0SEL, RXEN1SEL J16 Enable Scratchpad Register SPAD, J2 Clock Rate and Optional RegistersClock multiplier jumper options Hardware Installation Base Address and Interrupt Level IRQ Enabling the Special Registers Interrupt Status RegisterQuatech Modem Control Register Quatech Modem Control RegisterOptions Register Bit Name DescriptionClock Rate Multiplier RR1 RR0Windows Millennium Windows Windows Windows Windows NT Viewing Resources with Device Manager Quatech DSC-200/300 PCI Two-Port RS-422/RS485 Serial Adapter Adapter Data Rate Multiplier Application. This mode is useful for legacy Used when external handshaking or Page OS/2 DOS and other operating systemsQTPCI.EXE QTPCI.EXE Expert Mode display RTS/CTS Handshake Jumpers J10-12Rclk TclkAUXIN/AUXOUT Loopback AUXIN/AUXOUT loopbackHalf/full-duplex and Auto-Toggle selection Termination Resistors RS-422/485 TerminationDSC-200/300 connector definitions RS-422/485 Peripheral ConnectionPCI Resource Map Specifications Computer will not boot up