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Quatech DSCLP-200, DSCLP-300, SSCLP-200, SSCLP-300 Figure 20 --- Half/full-duplex and Auto-Toggle selection, DSCLP/SSCLP-200/300 User's Manual 42

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Full-Duplex Operation

Half-Duplex(DTR) Operation

Half-Duplex(RTS) Operation

Jumpers J14-16

TGL0_SEL0

TGL0_SEL1

J14

J15

RXEN0_SEL

J16

TGL0_SEL0

TGL0_SEL1

J14

J15

RXEN0_SEL

J16

TGL0_SEL0

TGL0_SEL1

J14

J15

RXEN0_SEL

J16

Auto-Toggle Operation

TGL0_SEL0

TGL0_SEL1

J14

J15

RXEN0_SEL

J16

Figure 20 --- Half/full-duplex and Auto-Toggle selectionDSCLP/SSCLP-200/300 User's Manual 42

Contents

Main Page Page Declaration of Conformity 6 Other Operating Systems 2 Hardware Configuration 3 Hardware Installation 4 Address Map and Special Registers 5 Windows Configurations 10 Troubleshooting 7 External Connections 8 PCI Resource Map 9 Specifications Page 1 General Information 2 Hardware Configuration 2.1 RS-422 or RS-485 Signal Line Termination Jumpers J6-J9 2.2 Signal Connections 2.3 Full-duplex/Half-duplex Operation Jumpers J10-J23 define the options for this card: Figure 2 - Right Card Edge Jumpers DSCLP/SSCLP-200/300 User's Manual 11 Page 2.4 Clock Rate and Optional Registers 2.4.1 Enable Scratchpad Register (SPAD, J2) 2.4.2 Force High-Speed UART Clock (X2, X4, or X8; J3, 4, 5) Page 3 Hardware Installation 4 Address Map and Special Registers 4.1 Base Address and Interrupt Level (IRQ) 4.2 Enabling the Special Registers 4.3 Interrupt Status Register 4.4 Quatech Modem Control Register 4.5 Options Register 4.5.1 Enhanced Serial Adapter Identification 4.5.2 Clock Rate Multiplier 5 Windows Configurations 5.1 Windows Mille nnium 5.2 Windows 2000 Page Page 5.4 Windows 95 5.5 Windows NT 5.6 Viewing Resources with Device Manager Page Page 5.6.1 Changing Resource Settings with Device Manager Page Page Page Page 6 Other Operating Systems 6.1 OS/2 6.2 DOS and other operating systems 6.2.1 QTPCI.EXE Page 7 External Connections 7.1 RTS/CTS Handshake 7.2 RCLK 7.3 TCLK 7.4 AUXIN/AUXOUT Loopback 7.5 Half-Duplex/Full-Duplex/Auto-Toggle Selection Jumpers J14-16 Figure 20 --- Half/full-duplex and Auto-Toggle selection DSCLP/SSCLP-200/300 User's Manual 42 7.6 Termination Resistors DSCLP/SSCLP-200/300 User's Manual 43 Jumpers J6-J9 Figure 21 --- RS-422/485 Line termination resistance values 7.7 RS-422/485 Peripheral Connection 8 PCI Resource Map 9 Specifications 10 Troubleshooting