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

Models: 2IQEC2 2IQEC4

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Appendix A: Hardware I/O Map

I/O Map of XT Class Machines

Hex Address

Address Function in XT Class Machines

000-00F

DMA controller (8237A)

020-021

interrupt controller (8259A)

040-043

timer (8253)

060-063

PPI (8255A)

080-083

DMA page register (74LS612)

0A0-0AF

NMI - non maskable interrupt

200-20F

game port joystick controller

210-217

expansion unit

2E8-2EF

COM4 serial port

2F8-2FF

COM2 serial port

300-31F

prototype card

320-32F

hard disk

378-37F

parallel printer

380-38F

SDLC

3B0-3BF

MDA - monochrome adapter and printer

3D0-3D7

CGA - color graphics adapter

3E8-3EF

COM3 serial port

3F0-3F7

floppy diskette controller

3F8-3FF

COM1 serial port

2IQEC2/43798 Manual

Appendix A: Hardware I/O Maps

A-1

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

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

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

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.