Page 2 - One Omega Drive, River Bend Technology Centre; OMEGAnet
Servicing North America: USA: One Omega Drive, P.O. Box 4047 ISO 9001 Certified Stamford CT 06907-0047TEL: (203) 359-1660 FAX: (203) 359-7700 e-mail: [email protected] Canada: 976 BergarLaval (Quebec) H7L 5A1, CanadaTEL: (514) 856-6928 FAX: (514) 856-6886 e-mail: [email protected] For immediate technical o...
Page 3 - Contents; IRQ S
Contents I NTRODUCTION ..........................................................................1 O VERVIEW ................................................................................................ 1 W HAT ’ S I NCLUDED ...........................................................................
Page 4 - EMC D; Figures
RS-232..................................................................................................... 12 RS-422..................................................................................................... 12 RS-485...........................................................................
Page 5 - Introduction; Overview
Introduction OMG-COMM2 -EX Page 1 Introduction Overview The OMG-COMM2 -EX provides the PC with 2 asynchronous serial ports providing a versatile interface field selectable as RS-232 for modems, printers and plotters, as well as RS-422/485 for industrial automation and control applications. What’s In...
Page 6 - Card Setup; Address Selection; Address; Figure 1 - Address Selection Table
Card Setup OMG-COMM2 -EX Page 2 Card Setup The OMG-COMM2 -EX contains several jumper straps which must be set for proper operation. Address Selection Each port on the OMG-COMM2 -EX occupies eight consecutive I/O locations. A DIP-switch is used to set the base address for these locations. Be careful ...
Page 7 - E6 sets Port 1; IRQ Sele ction; Figure 3 - Header E1 and E2, IRQ Selection
Card Setup OMG-COMM2 -EX Page 3 Port Enable / Disable Each port on the OMG-COMM2 -EX can be enabled or disabled with switch position 8 on the DIP-switch. The port is enabled with the switch ‘On’ or ‘Closed’ and disabled when ‘Off’ or ‘Open’. If any port is disabled, be sure to disable the interrupt ...
Page 8 - Interrupt Modes; Figure 4 - Headers E9 and E10, Normal IRQ Mode; Figure 5 - Headers E9 and E10, Shared IRQ Mode
Card Setup OMG-COMM2 -EX Page 4 Interrupt Modes Headers E9 and E10 select the interrupt modes for each port. Each port must be set in the correct mode to insure proper installation. E10 sets Port 1 and E9 sets Port 2 ‘ N ’ indicates the ( N )ormal, single interrupt per port mode. ‘ S ’ Indicates the...
Page 9 - Setting the adapter in this configuration when it is not; Figure 6 - Headers E9 and E10, Sharing IRQ’s with another adapter; Headers E3 and E4; E4 sets Port 1; Figure 7 - Headers E3 and E4 (Factory Default
Card Setup OMG-COMM2 -EX Page 5 Set the jumper to ‘ S ’ if you are usin g more than one OMG-COMM2 -EX in a bus or you wish to completely remove the pull-down resistor for hardware compatibility. Setting the adapter in this configuration when it is not accompanied by a pull-down resistor will prevent...
Page 10 - Installation; Operating System Installation; Start by choosing; Install Software at the beginning of the CD. Choose; Other Operating Systems
Installation OMG-COMM2 -EX Page 6 Installation The OMG-COMM2 -EX can be installed in any of the PC expansion slots, but to access the ‘AT’ or (E)ISA IRQs (10 - 15) it must be installed in one of the 16 bit slots. The OMG-COMM2 -EX contains several jumper straps for each port which must be set for pr...
Page 11 - Technical Description; The; Features
Technical Description OMG-COMM2 -EX Page 7 Technical Description The OMG-COMM2 -EX adapter utilizes the 16550 UART chip. This chip features programmable baud rate, data format, interrupt control and has a 16 byte transmit and receive FIFO. Features • Full independent operation of ports allowing two ...
Page 12 - Connector Pin Assignments; Name; Technical Note
Technical Description OMG-COMM2 -EX Page 8 Connector Pin Assignments RS-232 (Male DB9) Name Pin # Mode TD Transmit Data 3 Output RTS Request To Send 7 Output DTR Data Term Ready 4 Output GND Ground 5 RD Receive Data 2 In put DCD Data Carrier Detect 1 Input DSR Data Set Ready 6 Input CTS Clear To Sen...
Page 13 - Specifications; Environmental Specifications; Board length
Specifications OMG-COMM2 -EX Page 9 Specifications Environmental Specifications Specification Operating Storage Temperature Range 0º to 50º C (32º to 122º F) -20º to 70º C (-4º to 158º F) Humidity Range 10 to 90% R.H. Non-Condensing 10 to 90% R.H. Non-Condensing Manufacturing • IPC 610-B Class-III s...
Page 14 - Appendix A - Troubleshooting; Make sure the adapter is securely installed in a motherboard slot.
Appendix A - Troubleshooting OMG-COMM2 -EX Page 10 Appendix A - Troubleshooting Serial Utility test software is supplied wit h the adapter and will be used in the troubleshooting procedures. By using this software and following these simple steps, most common problems can be eliminated without the n...
Page 15 - Appendix B - How To Get Assistance; . The latest software
Appendix B - How To Get Assistance OMG-COMM2 -EX Page 11 Appendix B - How To Get Assistance Please refer to Troubles hooting Guide prior to calling Technical Support. 1. Begin by reading through the Trouble Shooting Guide in Appendix A. If assistance is still needed please see below. 2. When calling...
Page 16 - Appendix C - Electrical Interface; is
Appendix C - Electrical Interface OMG-COMM2 -EX Page 12 Appendix C - Electrical Interface RS-232 Quite possibly the most widely used communication standard is RS-232. This implementation has been defined and revised several times and is often referred to as RS-232 or EIA/TIA -232. The IBM PC compute...
Page 17 - Active
Appendix C - Electrical Interface OMG-COMM2 -EX Page 13 RS-485 RS-485 is backwardly compatible with RS-422; however, it is optimized for partyline or multi-drop applications. The output of the RS-422/485 driver is capable of being Active (enabled) or Tri-State (disabled). This capability allows mult...
Page 18 - Appendix D - Asynchronous Communications; Figure 8 - Asynchronous Communications Bit Diagram
Appendix D - Asynchronous Communications OMG-COMM2 -EX Page 14 Appendix D - Asynchronous Communications Serial data communications implies that individual bits of a character are transmitted consecutively to a receiver that assembles the bits back into a character. Data rate, error checking, handsha...
Page 19 - Page
Appendix E - Silk-Screen OMG-COMM2 -EX Page 15 Appendix E - Silk-Screen 3.9" 6.9" 4.2"
Page 20 - Appendix F - Compliance Notices; Federal Communications Commission Statement; Warning
Appendix F - Compliance Notices OMG-COMM2 -EX Page 16 Appendix F - Compliance Notices Federal Communications Commission Statement FCC - This equipment has been tested and found to comply with the limits for Class A digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to pr...
Page 21 - RETURN REQUESTS/INQUIRIES; WARRANTY
WARRANTY/ DISCLAIMER OMEGA ENGINEERING, INC. warrants this unit to be free of defects in materials and workmanship for aperiod of 13 months from date of purchase. OMEGA’s WARRANTY adds an additional one (1) month grace period to the normal one (1) year product warranty to cover handling and shipping...
