Quatech RS-422 user manual Specifications, With 64-byte FIFOs optional

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9 Specifications

Bus interface:		PCI, 32-bit bus, 5-volt only
		IBM-compatible computers
Dimensions:		approx. 5.5" x 3.5"
Serial ports
Controller:		16550 with 16-byte FIFOs
		(16750 with 64-byte FIFOs optional)
Interface:		Two female D-9 connectors
Transceivers:		SP491 or compatible
Differential output:		2V min. with 50-ohm load (RS-422)
		1.5V min. with 27-ohm load (RS-485)
Output rise/fall time:		3ns min., 40ns max., 15ns typ.
Differential input
threshold:		-0.2V min., +0.2V max.
Input resistance:		12k ohm min., 15k ohm typ.
Input current:		+/- 1.0mA max.
Power requirements
+5	volts:	approx. 320 mA
Temperature:		operating 0° to 70°
		storage -50° to 80°
Humidity:		10% to 90%

DSCLP-200/300 User's Manual

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Contents DSCLP-200/300 Page Serial Number Declaration of Conformity Table of Contents General Information Hardware Configuration RS-422 or RS-485 Signal Line TerminationSignal Connections Full-duplex/Half-duplex OperationRCLK0SEL, RCLK1SEL J13 1 CTS0SEL, CTS1SEL J10,172 AUX0SEL1,0, AUX1SEL1,0 J12,11,19,18 RXEN0SEL, RXEN1SEL J16 Enable Scratchpad Register SPAD, J24 TGL0SEL1,0, TGL1SEL1,0 J15,14,22,21 Clock Rate and Optional RegistersEnable scratchpad registers Force High-Speed Uart Clock X2 or X4, J4-J5X4 mode Hardware Installation Jumper/connector locationsAddress Map and Special Registers Base Address and Interrupt Level IRQEnabling the Special Registers Interrupt Status RegisterQuatech Modem Control Register Quatech Modem Control RegisterOptions Register Enhanced Serial Adapter IdentificationClock Rate Multiplier RR1 RR0Windows Configurations Windows MillenniumWindows Windows Windows Using the New Hardware Found Wizard Viewing Resources with Device Manager Page Page Page OS/2 Other Operating SystemsWindows NT DOS and other operating systemsQTPCI.EXE Basic Mode display QTPCI.EXE Expert Mode display External Connections Jumper/Channel correspondenceRTS/CTS Handshake RclkXclk AUXIN/AUXOUT LoopbackHalf-Duplex/Full-Duplex Selection Half- or full-duplex selection Termination Resistors RS-422/485 Line termination resistance valuesDSCLP-200/300 connector definitions RS-422/485 Peripheral ConnectionPCI Resource Map INTA#Specifications With 64-byte FIFOs optionalTroubleshooting Computer will not boot upDSCLP-200/300 Revision December