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SSP-200/300 Single Channel RS-422/485 PCMCIA Asynchronous Adapter for PCMCIA Card Standard compatible machines User's Manual QUATECH, INC. TEL: (330) 434-3154 662 Wolf Ledges Parkway FAX: (330) 434-1409 Akron, Ohio 44311 www .
Warranty Information Quatech Inc. warrants the SSP-200/300 to be free of defects for one (5) year from the date of purchase. Quatech Inc. will repair or replace any adapter that fails to perform under normal operating conditions and in accordance with the procedures outlined in this document during the warranty period.
Declaration of Conformity Manufacturer's Name: Quatech, Inc. Manufacturer's Address: 662 Wolf Ledges Parkway Akron, OH 44311 (USA) Application of Council Directive: 89/336/EEC Standards to w.
Table of Contents 8-2 Specifications .......................................................... 7-2 External Connections .................................................. 6-5 Termination Resistors ................................................... 6-3 Half Duplex Operation .
1. Introduction The SSP-200/300 is a single channel RS-422/RS-485 asynchronous serial adapter for systems equipped with PCMCIA Type II and/or Type III expansion sockets. The SSP-200/300 is a PCMCIA Type II (5 mm) card and is PCMCIA PC Card Standard Specification 2.
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2. DOS/Windows 3.x Two configuration software programs are provided with the SSP-200/300 : a Client Driver, and a card Enabler. Both of these programs are executed from DOS (before entering Windows) and allow operation of the SSP-200/300 in both the DOS and Windows 3.
2 . 1 SSP-200/300 Client Driver for DOS In order to use the SSP-200/300 Client Driver, the system must be configured with Card and Socket Services software. Card and Socket Services software is not provided with the SSP-200/300 but is available from Quatech .
version of Card and Socket Services must be installed on the system or the SSP-200/300 Enabler program must be used to configure the adapter. If the Client Driver reports the desired adapter configuration, the installation process is complete and the SSP-200/300 may be removed and/ or inserted from the system as desired.
Auto-Toggle o3 RTS Controlled o2 DTR Controlled o1 Always Enabled o0 Port Output Driver Option Figure 0 . DOS Client Output Enable Options. H instructs the client driver to enable the RTS-CTS modem control handshake on the RS-422/485 port.
2.1.2.3 Example 3 DEVICE = C: SSP-200 SSP231CL.SYS (s0,b300,i5,o2) In example 3, a single command line argument is provided. The Client Driver will attempt to configure a SSP-200/300 inserted into socket 0 with a base address of 300H and IRQ 5. If address 300H or IRQ 5 is unavailable, the SSP-200/300 will not be configured.
2.1.2.6 Example 6 DEVICE = C: SSP-200 SSP231CL.SYS (b300,i5) ( ) (i10) In example 6, the three command line arguments of example 5 have been rearranged. The Client Driver will first attempt to configure a SSP-200/300 inserted into any socket with a base address of 300H and IRQ 5.
Available Resources: One function of the Card and Socket Services software is to track which system resources (memory addresses, I/O addresses, IRQs, etc.
The SSP-200/300 Enabler does not support automatic configuration of adapters upon insertion, more commonly referred to as "Hot Swapping". This means the adapter must be installed in one of the system's PCMCIA sockets before executing SSP2 3 1EN.
W address specifies the base address of the memory window required to configure the SSP-200/300 . Set address = D0 for a memory window at segment D000, address = D8 for a memory window at segment D800, etc. Valid settings for address are C8, CC, D0, D4, D8, and DC.
2.2.1.1 Example 1 SSP231EN.EXE In example 1, no command line argument is specified. The Enabler will report an error and display the proper usage of the command.
2.2.1.6 Example 6 SSP231EN.EXE (s0,b300,i5,r) In example 6, the Enabler will release the configuration used by the SSP-200/300 in socket 0 using a configuration memory window at segment D000. The base address and IRQ parameters are ignored and may be omitted.
For systems configured with Card and Socket Services, the SSP-200/300 Client Driver is the recommended method of configuration. 2-13 SSP-200/300 (Rev. I and later) User's Manual.
3. Windows 95/ 98/Millennium (ME ) To allow easy configuration of the SSP-200/300, an Windows 95/98/ME "INF" configuration file has been written for the hardware. It supports the AUXIN/AUXOUT options and the RS-422/485 output driver enable options for full and half duplex operation .
hardware using free resources it finds within the hardware registry, and updates the registry automatically. To view and/or edit hardware devices in Windows 95/98/ME use the system Device Manager .
4. Open the Properties dialog for the SSP-200/300 device, then click the Resources tab to view the Input/Output Range and Interrupt Request resource allocations . 5. Several predefined Basic Configurations have been included for the SSP-200/300 (see Figure 5.
Scratch Pad 8x DTR Controlled Any Clocking 0033 Scratch Pad 8x DTR Controlled Any Handshaking 0032 Scratch Pad 8x RTS Controlled Any Clocking 0031 Scratch Pad 8x RTS Controlled Any Handshaking 0030 Sc.
SSP-200/300 PCMCIA serial ports with these applications you might be forced to remove other serial communications devices from your system 7. To modify the Interrupt Request setting click the resource name and click the Change Setting button. An Edit Resource window will open up.
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4 Windows 2000 To allow easy configuration of the SSP-200/300, an Windows 2000 "INF" configuration file has been written for the hardware. This configuration file supports the SSP-200/300 in both addressing modes: block mode and “ com ” mode.
4. Double click ‘Serial Port Adapters’ 5. Double click ‘Drivers’ 4-3 SSP-200/300 (Rev. I and later) User's Manual.
6. Double click on ‘Windows 2000, XP, for PCI, PCMCIA, ISA’ 7. Click on ‘qserbrd’ and select open Windows 2000 4-4.
8. Select ‘OK’ at the ‘Files Needed’ window 9. The same process as above in steps 1-9 will apply for the next file ‘qserpt.inf’. In step 7 be sure to choose ‘qserpt.inf’ and select ‘Open’. 4 . 2 SSP-200/300 Resource Settings in Windows 2000 Windows 2000 maintains a registry of a ll known hardware installed within the computer.
PCMCIA Serial Port) which is listed under the hardware class Ports (C OM & LPT). Windows 2000 4-6.
4 . 2 . 1 Viewing Resource Settings with Device Manager 1. Start the Windows 2000 Device Manager . 2. Double click on the hardware class Quatech Multiport Serial Devices to list hardware devices in the class. 3. The SSP-200/300 “ parent device ” belongs to this hardware class.
6. Use the COM Port device names (COM 5, COM 6, etc.) to access any of the particular serial ports on the SSP-200/300. This name is required by a Windows 2000 application when accessing a particular port . 4 . 2 . 2 Changing Resource Settings with Device Manager 1.
4-9 SSP-200/300 (Rev. I and later) User's Manual.
The X8 clock mode locks the ports hardware clock at eight times the standard rate. The baud rate the port runs at will always be eight times the rate requested by the application. This mode is useful for legacy applications which cannot request baud rates over 115.
4-11 SSP-200/300 (Rev. I and later) User's Manual.
Hardware automatically enables the transmitters when transmitting. Transmitters will turn off three bit-times after the last stop bit of the last character, regardless of baud rate. Used in two-wire communication. Auto Toggle DTR is set to enable the transmitters.
6. Click the Resources tab to view the Input/Output Range and Interrupt Request resource allocations. If options that are not available on the preceding pages are required, a different basic configuration will have to be selected.
Scratch Pad 1x Always Enabled Memory Mapped Loopback 0052 Scratch Pad 8x DTR Controlled Any Clocking 0051 Scratch Pad 8x DTR Controlled Any Handshaking 0050 Scratch Pad 8x RTS Controlled Any Clocking .
** Handshaking indicates RTS routed to AUXOUT, AUXIN routed to CTS, and TCLK routed to RCLK. Loopback indicates RTS routed to CTS, AUXIN routed to AUXOUT, and TCLK routed to RCLK. Clocking indicates RTS routed to CTS, AUXIN routed to RCLK, and TCLK routed to AUXOUT.
5 Windows NT 5 . 1 Installing SSP - 200/300 To allow easy configuration of the SSP-200/300 the Quatech Device Manager for Windows NT has been written for the hardware. This configuration util ity supports the SSP-200/300 only in block addressing mode.
1. Locate and double click the Quatech Device Manager icon on the desktop Device Manager Icon on Desktop 5-2 SSP-200/300 (Rev. I and later) User's Manual.
2. Click the ‘Add’ button at the bottom of the Quatech Device Manager Window 3. Follow the steps for the ‘Add Quatech Hardware Wizard’. Windows NT 5-3.
4. Complete the final steps of the installati on, shut down Windows NT and then insert the PCMCIA Card and re-boot the computer. Additional help is available online The S SP- 200 /300 PC Card should now be configured. In the future, Windows NT will automatically recognize and configure the SSP-200/300.
6. Hardware Information 6 . 1 Auxiliary Channel Configuration An auxiliary channel is provided which allows for handshaking between the SSP-200/300 port and a peripheral device. This auxiliary channel may be configured in one of two ways: v RTS-CTS handshake enabled.
6 . 1 . 2 Auxiliary Channel: Handshaking Disabled. The SSP-200/300 ports may be configured so that the RTS-CTS handshake is disabled. This is the default configuration. In this configuration, RTS and CTS from the 16C750 UART will be looped back to each other.
6 . 2 Half Duplex Operation The SSP-200/300 ’s ports may be configured for either full duplex or half duplex operation. By default, the RS-422/485 ports are configured for full duplex operation with the RS-422/485 output drivers always enabled.
Selection of half duplex mode operation is dependent upon the configuration software and/or the operating system used. Each of these, however, ultimately control the half duplex mode by accessing the PCMCIA Configuration Register on the SSP-200/300 .
6 . 3 Termination Resistors No termination resistors are provided on the SSP-200/300 ports. Both output and input signals are connected only to the external connector.
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7. External Connections An adapter cable is included with the SSP-200/300 to convert the 9-pin PCMCIA output connector into a standard D-9 female connector, data terminal equipment (DTE), as shown in the figures below. Standard D-9 (Female) Figure 0. SSP-200/300 Adapter Cable.
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8. Specifications Bus Interface PCMCIA PC Card Standard 2.1 compliant Physical Dimensions Type II PCMCIA card (5mm) Maximum Baud Rate 921.6 K Power Requirements +5 volts 20 mA (typical) 30 mA (maximum.
SSP-200/300 User's Manual Revision 3.11 May 2002 Quatech, Inc..
P/N 940-007 5 - 311 SSP-200/300 (Rev. I and later) User's Manual.
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