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ESC(LP)-100

Eight Channel Low Profile RS-232 

Asynchronous Communications Adapter

for PCI bus

User's Manual

QUATECH, INC.

TEL:

(330) 655-9000

5675 Hudson Industrial Parkway

FAX: (330) 655-9010

Hudson, Ohio 44236

http://www.quatech.com

Summary of Contents for ESC-100

Page 1: ... Eight Channel Low Profile RS 232 Asynchronous Communications Adapter for PCI bus User s Manual QUATECH INC TEL 330 655 9000 5675 Hudson Industrial Parkway FAX 330 655 9010 Hudson Ohio 44236 http www quatech com ...

Page 2: ...ned in this document during the warranty period Any damage that results from improper installation operation or general misuse voids all warranty rights Please complete the following information and retain for your records Have this information available when requesting warranty service DATE OF PURCHASE MODEL NUMBER ESC LP 100 PRODUCT DESCRIPTION Eight Channel Low Profile RS 232 Asynchronous PCI B...

Page 3: ...to ensure its accuracy and completeness In no event will Quatech Inc be liable for damages of any kind incidental or consequential in regard to or arising out of the performance or form of the materials presented in this document or any software programs that might accompany this document Quatech Inc encourages feedback about this document Please send any written comments to the Technical Support ...

Page 4: ...l Directive 89 336 EEC Standards to which Conformity is Declared EN50081 1 EN55022 EN60555 2 EN60555 3 EN50082 1 IEC 801 2 IEC 801 3 IEC 801 4 Type of Equipment Information Technology Equipment Equipment Class Commercial Residential Light Industrial Product Name PCI Eight Port Serial Communications Card Model Number ESC LP 100 iv ESC LP 100 User s Manual ...

Page 5: ...ce Manager 12 5 4 1 Using the New Hardware Found Wizard 12 5 4 Windows 95 10 5 3 Windows 98 9 5 2 Windows 2000 8 5 1 Windows Millennium 8 5 Windows Configurations 7 4 4 2 Clock Rate Multiplier 6 4 4 1 Enhanced Serial Adapter Identification 6 4 4 Options Register 5 4 3 Interrupt Status Register 5 4 2 Enabling the Special Registers 4 4 1 Base Address and Interrupt Level IRQ 4 4 Address Map and Speci...

Page 6: ...vi ESC LP 100 User s Manual ...

Page 7: ... s BIOS or operating system The eight serial ports share a single interrupt line and are addressed in a contiguous block of 64 bytes A special interrupt status register is provided to help software to manage the shared interrupt The ESC LP 100 s serial ports are implemented using 16750 compatible Universal Asynchronous Receiver Transmitters UARTs These UARTs contain hardware buffers FIFOs which re...

Page 8: ... configured at boot time by the computer s BIOS or operating system There are no switches or jumpers to set for installation See Section 5 5 for instructions on how to use Windows Device Manager to view and change resource settings ESC LP 100 User s Manual 2 ...

Page 9: ...RB screw 4 Replace the system cover according to the instructions provided by the computer manufacturer 5 Attach and secure the cable connectors to the desired equipment 6 Turn on the power of the computer system Figure 1 ESC LP 100 board outline The output of the ESC LP 100 is a 68 pin VHDCI connector A choice of cables is provided to convert the VHDCI into either eight standard male D 9 connecto...

Page 10: ...0 to Base Address 47 Serial 6 Base Address 32 to Base Address 39 Serial 5 Base Address 24 to Base Address 31 Serial 4 Base Address 16 to Base Address 23 Serial 3 Base Address 8 to Base Address 15 Serial 2 Base Address 0 to Base Address 7 Serial 1 I O Address Range Port Figure 2 Port Address Map All eight serial ports share the same IRQ The ESC LP 100 signals a hardware interrupt when any port requ...

Page 11: ...B bit selects between special registers 4 3 Interrupt Status Register The read only Interrupt Status Register can be used to quickly identify which serial ports require servicing after an interrupt Reading the Interrupt Status Register will return the interrupt status of the entire ESC LP 100 as shown in Figure 4 The individual bits are cleared as the interrupting ports are serviced The interrupt ...

Page 12: ...ication The ID bits are used to identify the ESC LP 100 as a Quatech Enhanced Serial Adapter Logic operations are performed such that the values read back from these bits will not necessarily be the values that were written to them Bit ID1 will return the logical AND of the values written to ID 1 0 while bit ID0 will return their exclusive OR Software can thus identify a Quatech Enhanced Serial Ad...

Page 13: ...lier at which the board is operating 921 6 kbaud 14 7456 MHz X8 1 1 460 8 kbaud 7 3728 MHz X4 0 1 230 4 kbaud 3 6864 MHz X2 1 0 115 2 kbaud 1 8432 MHz X1 default 0 0 Maximum Data Rate UART Clock Frequency Clock Rate Multiplier RR0 RR1 Figure 7 Rate Register bit definition At powerup and reset the Options Register is initialized to 0 The ESC LP 100 will thus powerup in the x1 mode with software con...

Page 14: ...gin 2 Select Search for the best driver for your device Check the Removable media and Specify location box Click the Next button 3 Window will locate the proper INF file and copy the file from the CD Click the Next button 4 The final dialog screen will verify the file copy from the CD Click the Finish button ESC LP 100 User s Manual 8 ...

Page 15: ...og box will be displayed Insert the Quatech COM CD shipped with the device Click the OK button 3 The following dialog box will display the appropriate INF file on the CD in the drive Click the OK button 4 Window will copy the INF file from the CD and display a final dialog indication that the process is complete Click the Finish button ESC LP 100 User s Manual 9 ...

Page 16: ...ill appear at start up Click the Next button 2 Select Search for the best driver for your device Click the Next button 3 On the next dialog select the CD ROM DRIVE check box Insert the Quatech COM CD shipped with the device into the CD ROM drive Click the Next button ESC LP 100 User s Manual 10 ...

Page 17: ...he appropriate INF file on the diskette in the drive Click the Next button 5 Window will copy the INF file from the diskette and display a final dialog indication that the process is complete Click the Finish button ESC LP 100 User s Manual 11 ...

Page 18: ...I communications adapter before the dialog box may simply indicate that it has found a PCI Card 2 Select the radio button for Driver from disk provided by hardware manufacturer Click the OK button to continue 3 An Install From Disk dialog box should pop up Insert the diskette with the Quatech INF files on it select the correct drive letter and click the OK button Windows 95 automatically browses t...

Page 19: ...u are certain that your system has the latest version of these files installed If you do not have your Windows 95 install disks immediately available click OK anyway A dialog box appears with an option to Skip the files Click the Skip button and the files will not be installed This is all right if the latest version of these drivers are currently in the WINDOWS SYSTEM directory 9 The New Hardware ...

Page 20: ... devices registered inside the Windows registry Additional information is available on any of these devices by click on the device name and then selecting the Properties button 3 Double click the device group Multi function Adapters The ESC LP 100 model name should appear in the list of Multi function adapters 4 Double click the ESC LP 100 model name and a properties box should open for the hardwa...

Page 21: ...k the Properties button This action opens a properties dialog for the specific COM port on the ESC LP 100 8 Click the Port Settings tab and then click the Advanced button The ESC LP 100 driver will display a custom Advanced Port Settings control which allows the ports UART compatibility mode and FIFO threshold levels to be configured The threshold values of full scale for the transmit buffer and s...

Page 22: ...M Port names to access the serial ports on your ESC LP 100 through your software applications Note The Logical COM Port name is assigned to your ports by Windows This name is required by a Windows application when accessing a particular port ESC LP 100 User s Manual 16 ...

Page 23: ...nager 2 Double click on the hardware class Multi Port Serial Adapters to list hardware devices in the class 3 The ESC LP 100 parent device belongs to this hardware class The full device name for the ESC LP 100 is Quatech ESC LP 100 Eight Port RS 232 Serial Adapter ESC LP 100 User s Manual 17 ...

Page 24: ... Request resource allocations Do not change these settings without specific instructions from a Quatech Technical Support Specialist To exit without saving changes click the cancel button 5 Open the Properties dialog for the ESC LP 100 device then click the Advanced tab to view the clock rate settings ESC LP 100 User s Manual 18 ...

Page 25: ...ESC LP 100 User s Manual 19 ...

Page 26: ...ouble the standard rate The baud rate the port runs at will always be double the rate requested by the applications This mode is useful for legacy applicattions which cannot request baud rates over 115 200 230 400 X2 The X1 clock mode mimics a standard COM port The hardware drivers lock the clock to the standard rate The port will run at the baud rate requested by the application 115 200 X1 Auto c...

Page 27: ...river will display a custom Advanced Port Settings control which allows the ports UART compatibility mode and FIFO threshold levels to be configured The threshold values of full scale for the transmit buffer and scale for the receive buffer are optimal for most applications Note that the FIFO option for each of the ESC LP 100 s eight ports is configured independently ESC LP 100 User s Manual 21 ...

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Page 29: ...n replacement for a legacy serial port because its base address and IRQ cannot be fixed at values such as 3F8 hex IRQ 4 COM1 or 2F8 hex IRQ 3 COM2 etc Rather the system BIOS assigns the address and the IRQ in a plug and play fashion at boot time Software which is to use the ESC LP 100 must be able to accommodate any valid assignments of these resources For Windows 95 98 2000 ME Windows NT and OS 2...

Page 30: ...necessary configuration information The PCI BIOS specification can be obtained from the PCI Special Interest Group Contact Quatech technical support for more information ESC LP 100 User s Manual 24 ...

Page 31: ...key has been pressed In this example the ESC LP 100 uses I O base address FF80 hex and IRQ 11 The hardware revision of the ESC LP 100 is also displayed Pressing the N key will show similar information for all non Quatech PCI devices in the system including those devices integrated on the motherboard The QTPCI program is capable only of displaying the PCI configuration It cannot be used to make cha...

Page 32: ...O regions etc Pressing the N key will show similar information for all non Quatech PCI devices in the system including those devices integrated on the motherboard In this example the Base addr 0 resource is reserved For users interested in even more details PCI BIOS information can be displayed by pressing the B key Pressing the I key displays the PCI interrupt routing table Figure 12 QTPCI EXE Ex...

Page 33: ...to be connected directly using a one to one cable as shown in Figure 13 In many applications DCEs are unnecessary and in these cases a cable called a null modem cable or modem eliminator cable is used to directly connect two DTE type devices A typical null modem cable is also shown in Figure 14 RxD TxD RTS CTS DTR DSR DCD GND 3 2 4 5 20 6 8 22 7 RI TxD RxD CTS RTS DSR DTR DCD GND 3 2 4 5 20 6 8 22...

Page 34: ...eight male D 9 connectors The standard serial port connections are listed in Figure 15 6 5 GND 2 9 RI 10 1 DCD 5 6 DSR 7 4 DTR 3 8 CTS 4 7 RTS 9 2 RxD 8 3 TxD RJ 45 D 9 RS 232 Signal Figure 15 ESC LP 100 D 9 connector pinouts Figure 16 ESC LP 100 RJ 45 connector pinouts ESC LP 100 User s Manual 28 ...

Page 35: ...l numbers in hex PCI Vendor ID 0x135C Quatech Inc PCI Device ID 0x01E0 ESC LP 100 PCI Class Code Base class 0x07 Simple communications controller Subclass 0x02 Multiport serial controller Interface 0x00 IRQ sourced by INTA Base address 0 0x40 bytes I O Serial ports Port 1 at offset 0x00 Port 2 at offset 0x08 Port 3 at offset 0x10 Port 4 at offset 0x18 Port 5 at offset 0x20 Port 6 at offset 0x28 Po...

Page 36: ... FIFOs Interface One female 68 pin VHDCI connector to Eight male D 9 connectors using adapter cable or Eight female 10 pin RJ 45 connectors using adapter cable Transceivers ISL4245EIR High level output 5V min Low level output 5V max Switching speed Power requirements 5 volts approx 150 mA Temperature operating 0 to 70 storage 50 to 80 Humidity 10 to 90 ESC LP 100 User s Manual 30 ...

Page 37: ...the signal transitioning from 3V to 3V The EIA TIA 232 E standard defines a maximum signal transition time ratio of 4 most RS 232 receivers will recognize signal transitions with much larger ratios With a 4 signal transition time ratio EIA TIA 232 E is limited to a theoretical data rate of 200 kbaud If maximum signal transition time ratio is extended to 10 15 20 or even 25 the maximum data rate ac...

Page 38: ...rent IRQ for the ESC LP 100 An address conflict is unlikely because most PCI based computers will assign I O addresses in such a way that they cannot conflict with ISA bus devices 3 The ESC LP 100 may be defective Contact technical support for instructions Cannot communicate with other equipment 1 Are the cable connections correct Are the cables securely attached 2 Is the software configured with ...

Page 39: ...ESC LP 100 User s Manual Revision 1 12 December 2006 P N 940 3105 112 ESC LP 100 User s Manual 33 ...

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