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Four Port, PCI Bus
RS-232/422/485 Serial Card CE
with Send Data Control
3PCISD4A 3PCISD4B
Documentation Number 3PCISD4x-3903 (pn4324-r006)
This manual applies to models 3PCISD4A and 3PCISD4B. The “A” models are
equipped with 16550A UARTs which have 16 byte transmit and receive buffers. The
“B” models are equipped with 16850 UARTs with 128 byte transmit and receive
buffers. The model number of each card is printed on a sticker on the board.
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TABLE OF CONTENTS CHAPTER 1: GENERAL INFORMATION......................................1 INTRODUCTION .......................................................................................1 FEATURES ...............................................................................................1 SPECIFICATIONS ......................................................................................2 CHAPTER 2: SETUP .................................................................
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Ω • RS-485 Signal Lines: TD(A), TD(B), RD(A), RD(B) and Signal Chapter 1: GENERAL INFORMATION Ground. (Data A & Data B lines when wired for 2-wire operation.) Introduction The B&B Electronics 3PCISD4x serial interface card is designed Specifications for IBM compatibles with a PCI Bus. The PCI design is Plug and Bus: PCI bus version 2.1 Play compatible which allows the driver and Operating System to select the IRQ and hardware addresses used by the card. Slot: Requires 1 PCI
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Ω RS-422/485 Driver/Receiver: Device: 75ALS180 or MAX491 Differential driver output voltage: 1.5 - 6 V Differential input high-threshold voltage: 0.2 V Differential input low-threshold voltage: −0.2 V Automatic RS-485 Driver Control Timing: Driver is enabled when data is a logic “0” (start bit). Driver remains enabled for one character transmission time (10 bits of data at current baud rate). Each additional logic “0” resets the timeout. Termination: A 120
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Chapter 2: SETUP Inspection Your 3PCISD4x serial card was tested for proper operation before shipment. It should be in perfect mechanical and electrical condition upon receipt. The card is normally pre-configured for RS-232 operation on all ports. The data clock speed for all 4 ports is set by one jumper to x1 (normal) operation or to x4 operation. The operating mode of each port on the card is set using 9 jumpers: 5 jumpers select RS-232 operation or RS-422/485 operation, 2 sele
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Ω RS-422/RS-485 Pinouts The RS-422 mode supports 2 channels (transmit and receive). RS-232 Mode Table 8: RS-422/RS-485 Pinouts To configure Port 1 for RS-232 mode, 5 jumpers must be checked. The following settings will configure Port 1 as RS-232. RS-422 Description Direction DB9M Signal Pinout 1. Set the four jumpers of JP1 to the "232" (left) position. -- -- 1 2. Set the first jumper of JP3 (A) to the "232" (left) position. Receive Data A input 2 RD(A) − The remaining jumpers
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Ω Ω Ω RS-422 and RS-485 Termination 5. Set the fourth jumper of JP3 (D) to select the type of RS-485 An 120 termination resistor has been provided for the RS-422/485 transmit driver control, RTS or Send Data. Select SD control receivers. Note that termination should only be used in systems unless you are sure your software requires RTS control. with both high baud rates (>19200) and over several thousand feet of cable. If a value other than 120 is desired, space for a through 6. The
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Installing the Card 1. Ground yourself by touching the metal chassis of the computer to discharge any static electricity. 2. Turn the power to your computer off and unplug the power cord. 3. Remove the cover of the computer. 4. Locate a free PCI expansion slot. 5. Remove the expansion slot cover. Save the screw for installation of the 3PCISD4x card. 6. Install the card into the unused slot. Be certain that the card is inserted completely (fully seated) in the slot. 7. Secure the
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5. After new hardware is detected, this screen will appear. (W95: Chapter 3: WINDOWS INSTALLATION This screen is named Update Device Driver Wizard.) Windows 95 and Windows 98 Any prior installation using previous B&B Serial drivers must be removed before installing the new drivers (refer to page 20). Windows 98 screens are shown for this section. Windows 95 is a bit different, fewer steps and the screen names and text shown differs. Windows 95 differences are noted (W95:…). 1. Co
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11. Click Finish to begin the second part of the driver installation 8. Select Floppy disk drives, Specify A:\ which installs the Com port drivers for Port A , B, C & D. 9. Insert the driver disk, then Click Next. Windows will find “4-Port PCI Serial Adapter (3PCISD4)” and the driver inf file. (W95: Driver name not shown - skip to step 11.) 12. Click Next. (W95: Skip to step 15.) 10. Click Next. Documentation Number 3PCISD4x-3903 Manual Chapter 3 15 16 Chapter 3 Documen
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15. Click Finish to complete Com driver installation. 13. Click Next to continue. Re-insert the driver disk if needed. The computer will finish Com driver installation for Port A, then search, find and install the driver for Port B, then Port C, and Port D Windows will find the Communications Port and inf file. without requiring any more user input. 16. Wait for the process to complete. To verify the installation, open My Computer, Control Panel, System (or Start, Setting, Cont
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Removal of Card And Drivers If you need to remove the card from your system or remove the current driver before installing a possible future driver upgrade: 1. Open My Computer, Control Panel, System (or Start, Setting, Control Panel, System). 2. Select the Device Manager Tab (see figure on previous page). 3. Click B&B Electronics Serial Adapters, then Select the 4-Port PCI Serial Adapter (3PCISD4). 4. Click the Remove button. 5. Close the Windows, and Open My Computer, Drive C: 6
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Windows 2000 Professional This section covers device driver installation for Windows 2000 Professional. Windows 2000 Server Windows 2000 Advanced Server Windows 2000 Data Center 1. Configure each port on the PCI card to the desired RS- 232/422/485 mode using the jumpers for Port 1, 2, 3, & 4. 2. Install the card in the slot, start the computer as an Administrator or ask your system administrator to install the software. 3. Windows will detect the PCI card and start Found New Hardware
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The computer will finish the installation of the driver for the card, then search for, find and install the Com driver for Port A, Port B, Port C and Port D. 15. Wait for the process to complete. Don't remove the floppy disk until you verify that Com ports have been assigned to the card. 16. Open My Computer, Control Panel, System, then select the Hardware Tab on System Properties. 17. Select the Device Manager button. 18. View the device list (next page). 8. Click Next.
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The 4-Port PCI Serial Adapter card is installed under B&B Electronics Serial Adapters. This can be opened to show General, Removal of Card & Drivers Driver, Resources (Address settings & IRQ). If you need to remove the card from your system or remove the Under Ports, COM3 was assigned to Port A , and COM4 through current driver before installing a possible future driver upgrade: COM6 was assigned to Port B, C and D. (Port 1=A, 2=B, 3=C & 4=D) Refer to the figure on the prior page:
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5. Click the Install button, then click Next. WINDOWS NT 4.0 1. Configure each port on the PCI card to the desired RS- 232/422/485 mode using the jumpers for Port 1, 2, 3, & 4. 2. Install the card in the slot, start the computer, and log on to Windows NT 4.0 as an Administrator or ask your system administrator to install the software. 3. Open the Control Panel. (Select Start, Settings.) 6. Insert the driver disk into drive A: 7. Enter A:\WinNT40\Setup.exe in the Command line for ins
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You can check details of the serial card setup using Windows NT Diagnostics, found under Administrative Tools. This can show the 10. This driver does not require re-booting to complete installation. Resources used such as addresses and IRQ. 11. Open the Control Panel, select Ports. Windows Diagnostics will not allow changing anything. 12. Verify 4 new COM Ports (COM5, COM6, COM7, COM8). If you have 4 new COM ports, the installation is complete. Select one of the new ports, selec
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The screen below shows the address range for each serial port on the B&B Electronics 4 port Serial Card. Removal of Card and Driver If you need to remove the card from your system or remove the current driver before installing a possible future driver upgrade: 1. Open the Windows NT subdirectory. 2. Open System32. 3. Open Drivers. 4. Find the "Bbserial.Sys" file and delete it. 5. Shut down the system. 6. Remove the 4-Port PCI Serial Adapter card. Documentation Number 3PCISD4x-3
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Chapter 4: TROUBLESHOOTING If you have any trouble starting your system after installing the card, the card may not be properly seated in the slot. Remove and re- insert it or try a different slot. If you are unable to communicate with the card using your software and hardware devices: 1. Check your pinouts. In RS-422 or RS-485 mode the "A" lines should match your "A" or "−" lines. "B" lines should match your "B" or "+" lines. Note: RS-422/485 pinouts are non-standard. 2. Use
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Appendix A: DB9 Signal Connections Table 7: RS-232 Pinouts RS-232 Description Direction DB9M Pin Signal DCD Data Carrier Detect input 1 RD Receive Data input 2 TD Transmit Data output 3 DTR Data Terminal Ready output 4 GND Signal Ground ---- 5 DSR Data Set Ready input 6 RTS Request to Send output 7 CTS Clear to Send input 8 RI Ring Indicator Input 9 Table 8: RS-422/RS-485 Pinouts RS-422 Description Direction DB9M signal Pinout -- -- 1 Receive Data A input 2 RD(A) − T
