B&B Electronics 2IQEC4, 2IQEC2 manual Hardware I/O Map of AT Class Machines

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Hardware I/O Map of AT Class Machines

Hex Address

Address Function in AT Class Machines

000-01F

DMA controller #1 (8237A-5)

020-03F

interrupt controller #1 (8259A)

040-05F

timer (8254)

060-06F

keyboard (8042)

070-07F

NMI - non maskable interrupt & CMOS RAM

080-09F

DMA page register (74LS612)

0A0-0BF

interrupt controller #2 (8259A)

0C0-0DF

DMA controller #2 (8237A)

0F0-0FF

80287 math coprocessor

1F0-1F8

hard disk

200-20F

game port joystick controller

258-25F

Intel Above Board

278-27F

parallel printer port 2

2E8-2EF

COM4 serial port

2F8-2FF

COM2 serial port

300-31F

prototype card

378-37F

parallel printer 1

380-38F

SDLC or bisynch com 2

3A0-3AF

bisynch com 1

3B0-3BF

MDA - monochrome adapter

3BC-3BE

parallel printer on monochrome adapter

3C0-3CF

EGA - reserved

3D0-3D7

CGA - color graphics adapter

3E8-3EF

COM 3 serial port

3F0-3F7

floppy diskette controller

3F8-3FF

COM1 serial port

Any sixteen byte space not listed above and not used by any other equipment in your system may be used for the serial port.

A-2 Appendix A: Hardware I/O Maps

2IQEC2/43798 Manual

B&B Electronics -- PO Box 1040 -- Ottawa, IL 61350

PH (815) 433-5100 -- FAX (815) 433-5105

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Contents Designed and Manufactured Ottawa, Illinois Models 2IQEC2 2IQEC4Internet Table of Contents Introduction Address Switch SetupPacking List Specifications Installation Software InstallationInstalling the Card Card SettingsAddress Switches 1st Digit 2nd Digit Position Bus Weight Hex WeightConnection Decimal 3A0 1110100000 0111010 Bisync comHardware Interrupts AT machines XT machinesConfiguring the jumpers Location of Jumpers 2IQEC2/43798 Manual Software Registers Flag Register Read Data AddressFlag Byte Defined RLD Byte DefinedCounter Mode Registers Write to Control Address Filter Clock PrescalersCMR Byte Defined Definitions of count modesInput/Output Control Register Write to Control Address IOR Byte DefinedIndex Control Registers Write to Control Address IDR Byte DefinedTroubleshooting Appendix a Hardware I/O Map Map of XT Class MachinesHardware I/O Map of AT Class Machines Pin Description Appendix B Specifications/Timing DiagramsAddresses Quadrature Mode Transient CharacteristicsNon-Quadrature Mode Page Page Page Appendix C Typical Set-up Examples

2IQEC2, 2IQEC4 specifications

B&B Electronics has long been a key player in the field of industrial communication and networking solutions, and their 2IQEC4 and 2IQEC2 devices stand as reflective examples of their innovation and dedication to quality. These devices are part of the company's extensive range designed to facilitate communication in diverse industrial settings, ensuring reliability and efficiency.

The 2IQEC4 is a robust 4-port Ethernet switch, while the 2IQEC2 serves as a 2-port variant. Both models are integrated with advanced technologies to deliver seamless connectivity in environments where durability and performance are critical. One of the standout features of these devices is their compatibility with Power over Ethernet (PoE), which allows for simpler installations by eliminating the need for separate power sources for each connected device.

These Ethernet switches are engineered for industrial applications, meaning they can withstand harsh conditions, including extreme temperatures, vibration, and electromagnetic interference. Their rugged design ensures reliable operation in demanding environments, making them ideal for industries such as manufacturing, transportation, and utility management.

Both the 2IQEC4 and 2IQEC2 come equipped with advanced security features including VLAN support and IGMP snooping, which help to optimize traffic performance and enhance overall network security. These functionalities are crucial in preventing unauthorized access, managing bandwidth efficiently, and minimizing potential network congestion.

In terms of installation and management, B&B Electronics has designed these devices for user-friendliness. The web-based management interface allows for straightforward configuration and monitoring, empowering users to manage their networks with ease. Additionally, diagnostic LEDs provide real-time feedback on device status, facilitating quick troubleshooting and maintenance.

The Ethernet switches also support a wide range of networking protocols, which ensures compatibility with various industrial devices and systems. This flexibility makes them suitable for integrating with existing infrastructure while also enabling future scalability as a network grows or evolves.

In summary, B&B Electronics' 2IQEC4 and 2IQEC2 models offer a reliable, efficient, and secure solution for industrial networking. With their robust construction, advanced features, and user-friendly management capabilities, these Ethernet switches are well-equipped to meet the challenges of modern industrial environments, making them invaluable assets in enhancing communication and operational efficiency.