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QUATECH, INC. 

5675 Hudson Industrial Parkway 

Hudson, Ohio 44236 

TEL: (330) 655-9000 

FAX: (330) 655-9010 

http://www.quatech.com. 

CompactFlash Card 

User’s Manual P/N: 940-0190-110 

Version 1.10, 02.05.04 

User’s Manual 

 

SSCF

SSCF--200/300

200/300  

One Port RS-422/485 Serial 

CompactFlash Card

 

 

 

Summary of Contents for SSCF-200

Page 1: ...arkway Hudson Ohio 44236 TEL 330 655 9000 FAX 330 655 9010 http www quatech com CompactFlash Card User s Manual P N 940 0190 110 Version 1 10 02 05 04 User s Manual SSCF SSCF 200 300 200 300 One Port...

Page 2: ...ndows CE and MS DOS are trademarks of the Microsoft Corporation All other trademarks or registered trademarks are property of their respective owners The authors have taken due care in the preparation...

Page 3: ...OS Windows 3 x 5 4 SSCF 200 300 Register Interface 5 5 Hardware Specification 6 5 1 Pinout 6 5 2 Electrical 7 5 3 Power Consumption 7 5 4 Mechnaical 7 5 5 Environmental 7 5 6 Notes on Serial Data Thro...

Page 4: ...SSCF 200 300 is a RS 422 485 serial card with a 16550 compatible UART ASIC device The serial data and control lines are buffered using ESD protected RS 422 485 drivers Industry standard baud rates up...

Page 5: ...ns on how to do this The SSCF 200 300 requires no extra drivers to operate in DOS Insertion of the card should create a familiar happy beep as the host software configures the card as a standard DOS C...

Page 6: ...ctor on the supplied cable the cable is pinned one to one PIN NAME FUNCTION 1 RXD Receive Data inverting input 2 RXD Receive Data non inverting input 3 TXD Transmit Data inverting output 4 TXD Transmi...

Page 7: ...te of TXD drivers when not transmitting TERMINATORS None fitted in card use an external termination resistor as required FAIL SAFE FEATURE The receiver inputs include a fail safe feature that guarante...

Page 8: ...interrupt in use on the host is being shared by other devices leading to increased latency etc As a simple rule of thumb using the standard serial drivers on a fast PC will allow throughput rates of...

Page 9: ...n the cable To prevent reception of these data bits the SSCF 200 300 receiver inputs incorporate 1 2k bias resistors one pulling up on and one pulling down on that ensure that the differential voltage...

Page 10: ...used for both half duplex one twisted pair and full duplex two twisted pairs arrangements however for half duplex mode the link between the TXD and RXD signals must be made externally on the DB9 conn...

Page 11: ...ir MUST be assigned a Returned Material Authorization RMA number prior to shipment This RMA number must be clearly marked on the exterior of the product s return packaging and in any correspondence to...

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