Access 104i-COM-8SM, User Manual

Page 1: ...10623 Roselle Street San Diego CA 92121 858 550 9559 www accesio com PCI 104 SERIAL COMMUNICATION BOARDS 104i COM 8SM 104i COM 4SM 104i COM 8S 104i COM 4S USER MANUAL FILE m104i COM 8SM A1o...

Page 2: ...hts of ACCES nor the rights of others IBM PC PC XT and PC AT are registered trademarks of the International Business Machines Corporation Copyright by ACCES I O Products Inc 10623 Roselle Street San D...

Page 3: ...parts not excluded by warranty Warranty commences with equipment shipment Following Years Throughout your equipment s lifetime ACCES stands ready to provide on site or in plant service at reasonable...

Page 4: ...485 Balanced Mode Operation 12 Chapter 4 ADDRESS SELECTION 13 Chapter 5 PROGRAMMING 14 Chapter 6 CONNECTOR PIN ASSIGNMENTS 15 Table 6 1 P1 Connector Pin Assignment 8 port and 4 port boards 15 Table 6...

Page 5: ...he design of industrial and commercial systems Based on the XR17D158 the boards have eight enhanced 16550 UARTs each with a set of modem signals CTS RTS RI DTR DSR CD in RS 232 mode Each UART has both...

Page 6: ...Manual 104i COM 8SM 6 Figure 1 1 Block Diagram...

Page 7: ...oHS This product is available in a RoHS compliant version Please call for specific pricing then be sure to add this suffix to the model number on any hard copy or verbal purchase orders Special Order...

Page 8: ...ling and can be mated with C104 40F D37F for various PC 104 serial requirements CAB40F X Ribbon cable assembly with 40 pin female header connectors X length in feet STB 40 Screw terminal board typical...

Page 9: ...o Install the Card 1 Install jumpers for selected options and position the slide switches to select the position in the stack 2 Remove power from the PC 104 stack 3 Assemble standoff hardware optional...

Page 10: ...ted at the receiving end in its characteristic impedance Installing a jumper at the location labeled TX TERM or RX TERM applies a 120 load in series with a small capacitor across the transmit receive...

Page 11: ...Manual 104i COM 8SM 11 Figure 3 2 Option Selection Map...

Page 12: ...nects the auto RTS signal from the UART to the transmit enable pin on the half duplex differential transceiver or it connects either a permanent ON for RS 422 or a permanent OFF signal for RS 232 to t...

Page 13: ...is Plug and Play This means that the BIOS or Operating System determines the resources assigned to PCI cards rather than you selecting those resources with switches or jumpers As a result you cannot s...

Page 14: ...y Windows COM Utility Program WinRISC is a COM utility program provided on CD with the installation package for this card that is very useful when working with any serial ports and serial devices If y...

Page 15: ...B DSR 13 B TX RX B TX B RX 14 B TX RX B TX B RTS 15 B TX 16 B RX B CTS 17 B RX B DTR 18 B RI 19 B Ground B Ground B Ground 20 21 C CD 22 C DSR 23 C TX RX C TX C RX 24 C TX RX C TX C RTS 25 C TX 26 C R...

Page 16: ...X F TX F RX 14 F TX RX F TX F RTS 15 F TX 16 F RX F CTS 17 F RX F DTR 18 F RI 19 F Ground F Ground F Ground 20 21 G CD 22 G DSR 23 G TX RX G TX G RX 24 G TX RX G TX G RTS 25 G TX 26 G RX G CTS 27 G RX...

Page 17: ...ransmit Data Ch x 4 DTR Data Terminal Ready Ch x 5 GND Signal Ground Ch x 6 DSR Data Set Ready Ch x 7 RTS Request To Send Ch x 8 CTS Clear to Send Ch x 9 RI Ring Indicator Table 6 3 DB9M Accessory Cab...

Page 18: ...ceiver IC s Mode Cable Pins Port 1 to Port 2 RS 232 RX to TX TX to RX Ground to Ground RS 422 Full Duplex1 RX to TX RX to TX TX to RX TX to RX Ground to Ground RS 422 Simplex Receive Only RX to TX RX...

Page 19: ...Receiver Input Sensitivity 3V Receiver Input Range 15V Driver Slew Rate 24V S minimum Driver Load Impedance 3K to 7K ohm Driver Output Signal Level Loaded 5 4V typical RS 422 485 Mode Receiver Input...

Page 20: ...pears across a pair of wires A balanced line driver will produce a differential voltage from 2 to 6 volts across its output terminals A balanced line driver can also have an input enable signal that c...

Page 21: ...e equal to the characteristic impedance of the cable The exception is when the line is driven by an RS422 driver that is never tristated or disconnected from the line In this case the driver provides...

Page 22: ...work The following illustration shows a typical multidrop or party line network Note that the transmission line is terminated on both ends of the line but not at drop points in the middle of the line...

Page 23: ...anual or just want to give us some feedback please email us at manuals accesio com Please detail any errors you find and include your mailing address so that we can send you any manual updates 10623 R...