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Manual Document# 3PXCC4A3001  

Cover Page 

B&B Electronics Mfg Co – 707 Dayton Rd - PO Box 1040 - Ottawa IL 61350 - Ph 815-433-5100 - Fax 815-433-5104 

B&B Electronics Ltd – Westlink Comm. Pk – Oranmore, Galway, Ireland – Ph +353 91-792444 – Fax +353 91-792445  

 

This manual covers the following B&B Electronics’ model serial 

cards: 

 

 

Four Port, Any Address, Any IRQ 

RS-232/422/485 Serial Card

   

CE

 

Model 3PXCC4A 

Documentation  Number  3PXCC4A3001 

 

 

 

Each of these models is an RS-232 serial card and uses the same printed 

circuit board. The "1" and "2" suffix designates the number of ports on the card.  The 
model number of the card is printed on a sticker on the board. 

 

This product designed and manufactured in Ottawa, Illinois USA 

of domestic and imported parts by 

 

 

International Headquarters 

B&B Electronics Mfg. Co. Inc.  

707 Dayton Road  --  P.O. Box 1040  --  Ottawa, IL  61350 USA 

Phone (815) 433-5100 -- General Fax (815) 433-5105  

Home Page:  www.bb-elec.com 

Sales e-mail: [email protected] --  Fax (815) 433-5109 

Technical Support e-mail: [email protected] --  Fax (815) 433-5104 

 
 

European Headquarters 

B&B Electronics Ltd. 

Westlink Commercial Park, Oranmore, Co. Galway, Ireland 

Phone +353 91-792444  --  Fax +353 91-792445 

Home Page:  www.bb-europe.com 

Sales e-mail:  [email protected] 

Technical Support e-mail:  [email protected] 

 

 

 

  B&B Electronics  --  Revised August 2001

 

Summary of Contents for RS-232/422/485 Serial Card CE 3PXCC4A

Page 1: ...orts on the card The model number of the card is printed on a sticker on the board This product designed and manufactured in Ottawa Illinois USA of domestic and imported parts by International Headqua...

Page 2: ...g COM Port Resources in Windows 95 98 13 Checking Windows NT Diagnostics for Available Address IRQ s Windows NT 4 0 16 Checking Windows 2000 for Available Address IRQ s 19 Adding Serial Port s in Wind...

Page 3: ...upts the serial software used must also offer that flexibility If you are writing your own application be sure the communications routines used support any address and IRQ B B Electronics SimpCom Comm...

Page 4: ...th 5 6 7 or 8 bits Parity Even odd or none Stop bits 1 1 5 or 2 RS 232 Drivers Device 75185 Transceiver High level output voltage 6 0 V minimum Low level output voltage 6 0 V minimum Output current li...

Page 5: ...er from the computer and unplug the power cord before inserting the card Retain the ESD bag for handling the card Save the packaging for storage or shipping 1 Make sure you have an available ISA slot...

Page 6: ...IRQ s that you want to use The address dipswitch setting consists of configuring seven dipswitches that reflect a particular hex address The IRQ is set via a little black jumper See Chapter 4 for an...

Page 7: ...04 B B Electronics Ltd Westlink Comm Pk Oranmore Galway Ireland Ph 353 91 792444 Fax 353 91 792445 Chapter 3 Windows Installation Checking Device Manager for Available Address IRQ s Windows 95 98 Clic...

Page 8: ...Pk Oranmore Galway Ireland Ph 353 91 792444 Fax 353 91 792445 Left click on Interrupt Request Find a free IRQ in the displayed list Any number that is seen on the left hand side of this screen is an...

Page 9: ...02E8H If one of these is available use it If not check alternates Find a free address in the list Most desktop PC s have a COM1 and possibly a COM2 already on their system which will be seen in the l...

Page 10: ...1350 Ph 815 433 5100 Fax 815 433 5104 B B Electronics Ltd Westlink Comm Pk Oranmore Galway Ireland Ph 353 91 792444 Fax 353 91 792445 Adding Serial Port s in Windows 95 98 Go to Start Menu Settings Co...

Page 11: ...cs Mfg Co 707 Dayton Rd PO Box 1040 Ottawa IL 61350 Ph 815 433 5100 Fax 815 433 5104 B B Electronics Ltd Westlink Comm Pk Oranmore Galway Ireland Ph 353 91 792444 Fax 353 91 792445 Click Next Select Y...

Page 12: ...PO Box 1040 Ottawa IL 61350 Ph 815 433 5100 Fax 815 433 5104 B B Electronics Ltd Westlink Comm Pk Oranmore Galway Ireland Ph 353 91 792444 Fax 353 91 792445 Select No you do not want Windows to searc...

Page 13: ...ics Mfg Co 707 Dayton Rd PO Box 1040 Ottawa IL 61350 Ph 815 433 5100 Fax 815 433 5104 B B Electronics Ltd Westlink Comm Pk Oranmore Galway Ireland Ph 353 91 792444 Fax 353 91 792445 Select Standard po...

Page 14: ...3 5104 B B Electronics Ltd Westlink Comm Pk Oranmore Galway Ireland Ph 353 91 792444 Fax 353 91 792445 The next screen will show the address and interrupt request of the port These may not match your...

Page 15: ...Ltd Westlink Comm Pk Oranmore Galway Ireland Ph 353 91 792444 Fax 353 91 792445 Changing COM Port Resources in Windows 95 98 Click Start Settings Control Panel and double click on System Properties C...

Page 16: ...fg Co 707 Dayton Rd PO Box 1040 Ottawa IL 61350 Ph 815 433 5100 Fax 815 433 5104 B B Electronics Ltd Westlink Comm Pk Oranmore Galway Ireland Ph 353 91 792444 Fax 353 91 792445 Click Resources Click o...

Page 17: ...c Configuration 0007 or last one Select Input Output Range Click Change Setting Change Address to match the free address settings you found earlier Click OK Select Interrupt Request Click Change Setti...

Page 18: ...x 353 91 792445 Checking Windows NT Diagnostics for Available Address IRQ s Windows NT 4 0 Click on Start Programs Administrative Tools Windows NT Diagnostics Left click on Resources Find a free IRQ i...

Page 19: ...list check 03F8H 02F8H 03E8H 02E8H If one of these is available use it If not check alternates Find a free address in the list Most desktop PC s have a COM1 and possibly a COM2 already on their syste...

Page 20: ...trol Panel Double click on Ports Click Add Choose COM Port Number Base I O Address and IRQ that you want to use for the new Serial Port s being added After clicking OK you will see a screen System Set...

Page 21: ...PO Box 1040 Ottawa IL 61350 Ph 815 433 5100 Fax 815 433 5104 B B Electronics Ltd Westlink Comm Pk Oranmore Galway Ireland Ph 353 91 792444 Fax 353 91 792445 Checking Windows 2000 for Available Address...

Page 22: ...XCC4A3001 B B Electronics Mfg Co 707 Dayton Rd PO Box 1040 Ottawa IL 61350 Ph 815 433 5100 Fax 815 433 5104 B B Electronics Ltd Westlink Comm Pk Oranmore Galway Ireland Ph 353 91 792444 Fax 353 91 792...

Page 23: ...001 21 B B Electronics Mfg Co 707 Dayton Rd PO Box 1040 Ottawa IL 61350 Ph 815 433 5100 Fax 815 433 5104 B B Electronics Ltd Westlink Comm Pk Oranmore Galway Ireland Ph 353 91 792444 Fax 353 91 792445...

Page 24: ...onics serial card to Scroll through the list check 03F8H 02F8H 03E8H 02E8H If one of these is available use it If not check alternates Find a free address in the list Most desktop PC s have a COM1 and...

Page 25: ...x 1040 Ottawa IL 61350 Ph 815 433 5100 Fax 815 433 5104 B B Electronics Ltd Westlink Comm Pk Oranmore Galway Ireland Ph 353 91 792444 Fax 353 91 792445 Double click on Interrupt Request IRQ Here you w...

Page 26: ...O Box 1040 Ottawa IL 61350 Ph 815 433 5100 Fax 815 433 5104 B B Electronics Ltd Westlink Comm Pk Oranmore Galway Ireland Ph 353 91 792444 Fax 353 91 792445 Adding Serial Port s in Windows 2000 Go to S...

Page 27: ...onics Mfg Co 707 Dayton Rd PO Box 1040 Ottawa IL 61350 Ph 815 433 5100 Fax 815 433 5104 B B Electronics Ltd Westlink Comm Pk Oranmore Galway Ireland Ph 353 91 792444 Fax 353 91 792445 Click Next Click...

Page 28: ...7 Dayton Rd PO Box 1040 Ottawa IL 61350 Ph 815 433 5100 Fax 815 433 5104 B B Electronics Ltd Westlink Comm Pk Oranmore Galway Ireland Ph 353 91 792444 Fax 353 91 792445 The following screen will appea...

Page 29: ...x 815 433 5104 B B Electronics Ltd Westlink Comm Pk Oranmore Galway Ireland Ph 353 91 792444 Fax 353 91 792445 Click No I want to select the hardware from a list Click Ports COM LPT Click Next Select...

Page 30: ...anmore Galway Ireland Ph 353 91 792444 Fax 353 91 792445 The Resources area will allow you to set the IRQ and address of your new ports Click on the down arrow to the middle right of the screen after...

Page 31: ...Box 1040 Ottawa IL 61350 Ph 815 433 5100 Fax 815 433 5104 B B Electronics Ltd Westlink Comm Pk Oranmore Galway Ireland Ph 353 91 792444 Fax 353 91 792445 Double click on the Interrupt Request to set...

Page 32: ...04 B B Electronics Ltd Westlink Comm Pk Oranmore Galway Ireland Ph 353 91 792444 Fax 353 91 792445 At this point you can shut down the system and physically install your B B Electronics Serial Card in...

Page 33: ...16 bit decoded devices most notably between video cards and COM 4 B B has solved these conflicts by decoding all 16 bits of the ISA address bus Address settings in our ISA bus serial cards is set by D...

Page 34: ...B Electronics Mfg Co 707 Dayton Rd PO Box 1040 Ottawa IL 61350 Ph 815 433 5100 Fax 815 433 5104 B B Electronics Ltd Westlink Comm Pk Oranmore Galway Ireland Ph 353 91 792444 Fax 353 91 792445 Figure 1...

Page 35: ...the card Table 1 shows the numerical weight and electrical connection of each switch position Refer to Table 2 for COM port addresses Table 3 shows frequently unused port addresses for applications wh...

Page 36: ...upt The processor then clears the interrupt and returns to what it was doing before IRQ lines are set by the internal timer keyboard hard drive controller PCI USB controller sound card serial ports pr...

Page 37: ...orts Shared IRQ mode should only be used if your software supports this feature If you are writing your own software B B Electronics SimpCom V1 04 and later serial communications library supports this...

Page 38: ...y be in either position RS 422 Mode To configure Port A for RS 422 mode 7 jumpers must be checked The following settings configure PORT A as RS 422 1 The four jumpers of JP7 must be set to the 422 low...

Page 39: ...ns To set up the 3PXCC4A Serial Card up for two wire mode you can simply jumper TD A to RD A for your Data and TD B to RD B for your Data Use the Signal Ground for your return path as the thrid wire i...

Page 40: ...More information on termination and biasing can be found in B B Electronics free RS 422 RS 485 Application Note High Speed Mode High data rates can be obtained with the 3PXCC4A cards by adjusting JP1...

Page 41: ...ting information Pinouts RS 232 Pinouts The 3PXCC4A Serial Cards are wired using RJ45 type connectors for each port The following table shows the pinout for the RS 232 connections Table 5 RS 232 Pinou...

Page 42: ...duplex communication link Table 6 RS 422 RS 485 Pinout Description RS 485 Pinouts RS 485 mode supports both full and half duplex communications transmit and receive data signals The pinouts of the DB...

Page 43: ...munication cable specifications are 24AWG wire gauge and 30pF ft capacitance rating Twisted pairs are ideal for the RS 422 RS 485 Cable in order to suppress noise on the data line B B Electronics can...

Page 44: ...ing Simpterm you must set up the port address and IRQ you have set on the B B Electronics serial card Jumper TD to RD on the DB9 male connector located on the serial card You may have to make a loopba...

Page 45: ...XT Class Machines 000 00F DMA controller 8237A 020 021 interrupt controller 8259A 040 043 timer 8253 060 063 PPI 8255A 080 083 DMA page register 74LS612 0A0 0AF NMI non maskable interrupt 200 20F game...

Page 46: ...errupt controller 1 8259A 040 05F timer 8254 060 06F keyboard 8042 070 07F NMI non maskable interrupt CMOS RAM 080 09F DMA page register 74LS612 0A0 0BF interrupt controller 2 8259A 0C0 0DF DMA contro...

Page 47: ...ion of Conformity Statement DECLARATION OF CONFORMITY Manufacturer s Name B B Electronics Manufacturing Company Manufacturer s Address P O Box 1040 707 Dayton Road Ottawa IL 61350 USA Model Numbers 3P...

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