Quatech SSP-300, SSP-200 user manual

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Full Duplex

Half Duplex using RTS

Half Duplex using DTR

Auto Toggle

Always Receive

When NOT Tranmitting

Loopback All

Modem Control

Clocks

RS-422/485 Connector Setup

RTS routed to CTS, AUXIN routed to AUXOUT, and TCLK routed to RCLK. Used when external handshaking or clocking signals are not available.

RTS routed to AUXOUT, AUXIN routed to CTS, and TCLK routed to RCLK. Used when RTS/CTS handshaking is required.

RTS routed to CTS, AUXIN routed to RCLK, and TCLK routed to AUXOUT. Used to connect ports transmitting at different baud rates. In order to function, all ports must have and use this feature.

Receive Control

Receivers are always enabled. In a Half Duplex mode, you will receive what you transmit (sometimes called echo).

Receivers are only enabled when not transmitting. In a Half Duplex mode, you will not receive what you transmit.

RS-422/485 Duplex Mode

Transmitters and receivers are always enabled; ports can send and receive simultaneously. Used in four-wire communication.

RTS is set to enable the transmitters.

Used in two-wire communication.

DTR is set to enable the transmitters.

Used in two-wire communication

Hardware automatically enables the transmitters when transmitting. Transmitters will turn off three bit-times after the last stop bit of the last character, regardless of baud rate. Used in two-wire communication.

Windows 2000

4-12

Image 35

Contents SSP-200/300 SSP-200/300 Warranty InformationStandards to which Declaration of ConformityTable of Contents Introduction This page intentionally left blank DOS/Windows SSP-200/300 Client Driver for DOS Client Driver InstallationBaddress Command Line OptionsDevice = C\SSP-200\ SSP231CL.SYS Page Generic Client Drivers Common ProblemsAvailable Resources SSP-200/300 Enabler for DOSMultiple Configuration Attempts Older Versions of Card and Socket ServicesR option is not used Page Page Socket Numbers Card and Socket Services SoftwareMemory Range Exclusion Page Windows 95/98/Millennium ME Installing a SSP-200/300 Under Windows 95/98/MESSP-200/300 Resource Settings in Windows 95/98/ME PC Card 1Viewing Resource Settings with Device Manager2Changing Resource Settings with Device Manager Start the Windows 95/98/ME Device ManagerISR Auxout Base I/O Address Resource Modification Not Allowed Frequently Asked QuestionsBasic Configuration List Not Available This page intentionally left blank Windows Installing a SSP-200/300 Under WindowsDouble click ‘Serial Port Adapters’ Double click ‘Drivers’ Page Manager SSP-200/300 Resource Settings in WindowsLPT Viewing Resource Settings with Device Manager Changing Resource Settings with Device Manager Page Data Rate Multiplier Page Page Basic Auxiliary Range RS-422/485 Clock Scratch 0012 Loopback Any RTS Controlled Auxout Windows NT Installing SSP-200/300Page Page Page Auxiliary Channel RTS-CTS Handshaking Auxiliary Channel ConfigurationHardware Information Auxiliary Channel Handshaking Disabled Options Half Duplex OperationPage Recommended Termination Resistor Values Termination ResistorsThis page intentionally left blank SSP-200/300 Adapter Cable External ConnectionsThis page intentionally left blank Specifications SSP-200/300