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PCL-849 4-Port RS-232 Interface Card.
Copyright Notice This documentation and the software included with this product are copyrighted 2001 by Advantech Co., Ltd. All rights are reserved. Advantech Co., Ltd. reserves the right to make improvements to the products described in this manual at any time without notice.
Contents Chapter 1: Introduction ....................................................... 5 Description ............................................................................. 6 Feature s ..........................................................
1 Introduction CHAPTER.
6 PCL-849 User's Manual Description The PCL-849 series are four port serial communication interface cards. Each port can be configured individually to RS-232 using on- board jumpers. PCL-849A/849B serial ports are implemented using 16C554 UARTs which make serial I/O more reliable.
Chapter 1 Introduction 7 Features v Four independent RS-232 serial ports v Transmission speeds up to 307.2 kbps v Independent I/O addresses and independent/shared IRQ settings for each of 4 serial ports v W ide IRQ selection: 3, 4, 5, 6, 7, 9, 10, 1 1, 12, 15 v Supports Standard DOS COM1, COM2, COM3, and COM4 v Supports DOS/W indows 3.
8 PCL-849 User's Manual · UAR T : 1 × 16C554 (PCL-849A/849B) 1 × 16C654 (PCL-849+) · Speed: 50 ~ 921.6 kbps (PCL-849A) 50 ~ 307.2 kbps (PCL-849B/849+) · Connectors: 30-cm male DB-37 to 4 × .
Chapter 1 Introduction 9 Figure 1-1: Switch and jumper layout.
10 PCL-849 User's Manual.
2 Hardware Installation CHAPTER.
12 PCL-849 User's Manual Initial Inspection Depending on the option you ordered, in addition to this manual, you should find the following items inside the shipping container: • PCL-849(A/B/+) .
Chapter 2 Hardware Installation 13 Card Installation W arning! T ur n off y our PC’ s po w er supply whenev er y ou install or remov e the PCL-849 or its cab les . Static electr icity can easily damage computer equipment. Ground y ourself b y touching the chassis of the computer (metal) bef ore y ou touch an y boards .
14 PCL-849 User's Manual Card Configuration Each port on the PCL-849 card has a jumper and a DIP switch which require configuring prior to use. The DIP switch sets the port to the appropriate I/O address and speed mode. The jumpers set the port's IRQ.
Chapter 2 Hardware Installation 15 S tandard Mode In this mode, each of the four ports is assigned an address, as shown below. Port 1 Ch1 base address 3F8 Port 2 Ch2 base address 2F8 Port 3 Ch3 base a.
16 PCL-849 User's Manual Default Settings Mode Enhanced Mode Port 1 IRQ12 Address 300H Port 2 IRQ12 Address 308H Port 3 IRQ12 Address 310H Port 4 IRQ12 Address 318H The following example shows how to set the base address to 2F8. The switch sum is set to 2F8: 200 + 80 + 40 + 20 + 10 + 8 (HEX).
Chapter 2 Hardware Installation 17 Independent IRQ Mode (JP1-JP4) In this mode, the IRQ level for each of the four ports is set individual- ly. For each port, select an IRQ which is not already in use by another card in the system. The correspondence of jumpers to ports is shown below.
18 PCL-849 User's Manual switch S1 designates the card's interrupt status register address, as shown in the following figure and table. Interrupt Status Register S1 Bit Function 0 Port 1 1 Port 2 2 Port 3 3 Port 4 4 Not Used 5 Not Used 6 Not Used 7 Not Used The user may change the interrupt status register address via S1.
Chapter 2 Hardware Installation 19 T able 2-1: DIP switch settings for S1 A4 A5 A6 A 7 A8 I n ter ru pt R egister O N ON O N O N O N 200H O FF O N O N ON O N 210H ON O FF ON ON O N 220H O FF O FF O N .
20 PCL-849 User's Manual Speed Mode selection The PCL-849 employs a unique speed option that allows the user to choose either normal speed mode (1x) or high speed mode (8x). This high speed mode is selected at S2. Normal Speed Mode To select the baud rate commonly associated with COM ports , such as 2400, 4800, 9600.
3 Software Installation CHAPTER.
22 PCL-849 User's Manual Operating Environment Selection Set jumper 15 (JP15) to correspond with your desired software operating environment. Connect the left two pins of JP15 to operate in DOS or Windows 3.1 mode, as shown below. Connect the right two pins to operate in Windows 95/98 or Windows NT mode .
Chapter 3 Software Installation 23 Following completion of installation, please r estar t your system as prompted. Once the board and driver have been installed and the system restarts successfully, u.
24 PCL-849 User's Manual Share IRQ: 3, 4, 5, 6, 7, 9, 10, 11, 12, 15 Vector Address: 200H ~ 3F0H After you finish the installation, you can click [ Exit ] and restart your system. Unless the system is restarted, the latest configuration will not take effect.
Chapter 4 Wiring 2 5 4 Wiring CHAPTER.
26 PCL-849 User's Manual Connector Pin Assignments The following diagrams show the pin assignments for DB-37 and DB- 25 connectors for RS-232. PCL-849: DB-37 Four Port Connectors: DB-25 PCL-849 P.
Chapter 4 Wiring 2 7 Wiring RS-232 signal wiring Since the RS-232 interface is not strictly defined, many devices have their own connection methods which may ignore some signal lines or define reserved lines for other functions. It is best to refer to the user’s manual for your device for installation instructions.
28 PCL-849 User's Manual Modem connections DB-25 Male: PCL-849 Modem (DCE) Pin Signal Pin Signal 2 TxD 2 RxD 3 RxD 3 TxD 4 RTS 4 CTS 5 CTS 5 RTS 6 DSR 6 DTR 7 GND 7 GND 20 DTR 20 DSR 8 DCD 8 DCD For DTE to DCE connections, use straight through cable (i.
Appendix A PC I/O Address Assignments 2 9 A PC I/O Address Reference APPENDIX.
30 PCL-849 User's Manual PC I/O Address Usage The following table indicates the PC I/O address usage assignments. To prevent the PCL-849 card settings from conflicting with other device or I/O card settings, we recommend you refer to this table.
Appendix B Quick Reference 3 1 B Quick Reference APPENDIX.
32 PCL-849 User's Manual Ø Jumper Setting · IRQ Mode DIP 1 ( MODE 0 ) of S1 is used to set the IRQ mode of this card. DIP1 : ON (Upper) position è Shared IRQ mode DIP1 : OFF (Lower) position è Independent IRQ mode · STANDARD/ ENHANCED Mode DIP 2 ( MODE 1 ) of S1 is used to set the standard/enhanced mode of this card.
Appendix B Quick Reference 3 3 STANDARD MODE: In this mode, the I/O addresses and the IRQ levels for each port are set to default as shown below, (Disable BIOS setting of on-board COM1 ~ COM4) ENHANCE.
34 PCL-849 User's Manual.
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