# IBM 3745

> final model in the IBM 37xx family of mainframe communications controllers

**Wikidata**: [Q5968656](https://www.wikidata.org/wiki/Q5968656)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/IBM_3745)  
**Source**: https://4ort.xyz/entity/ibm-3745

## Summary
The IBM 3745 was the final model in the IBM 37xx family of mainframe communications controllers. It functioned as a small computer that attached to mainframes and performed networking functions on their behalf.

## Key Facts
- The IBM 3745 was part of the IBM 37xx family of mainframe communications controllers
- It was discontinued in 2002
- It was manufactured by IBM and clone manufacturers
- It had a Freebase ID of /m/03by4g1
- It was the final model in the IBM 37xx family
- It has 2 sitelinks
- It is available in English and Indonesian Wikipedia
- The Wikidata description identifies it as the final model in the IBM 37xx family of mainframe communications controllers

## FAQs
### Q: What was the primary function of the IBM 3745?
A: The IBM 3745 functioned as a communications controller that attached to mainframes, essentially serving as a small computer that performed networking functions on behalf of the mainframe.

### Q: When was the IBM 3745 discontinued?
A: The IBM 3745 was discontinued in 2002, marking the end of its production and service life.

### Q: How does the IBM 3745 compare to other models in the 37xx family?
A: The IBM 3745 was specifically identified as the final model in the IBM 37xx family, indicating it was the last or most advanced iteration in this series of communication controllers.

## Why It Matters
The IBM 3745 represented an important component in the mainframe computing ecosystem of its time. As the final model in the IBM 37xx family, it served as the bridge between mainframe computers and various networking infrastructure, enabling organizations to efficiently manage data communications between their mainframe systems and peripheral devices. By handling networking functions separately from the mainframe itself, these controllers optimized system performance and allowed for more scalable network architectures. The discontinuation of the IBM 3745 in 2002 marked a transition point in mainframe networking technology, reflecting the evolution of computer networking from dedicated hardware controllers to more integrated software-based solutions.

## Notable For
- Being the final model in the IBM 37xx family of mainframe communications controllers
- Serving as a dedicated hardware solution for mainframe networking tasks
- Being manufactured by both IBM and clone manufacturers, indicating its industry significance
- Having a service life that extended until at least 2002, showing its durability

## Body
### Overview
The IBM 3745 was the final model in the IBM 37xx family of mainframe communications controllers. This series of controllers was designed to handle networking functions separately from the mainframe computer itself.

### Technical Function
The IBM 3745 functioned as a small computer that attached to mainframes and carried out networking functions on their behalf. This separation of networking tasks from the mainframe's processing helped optimize overall system performance and reliability.

### Historical Context
As part of the broader IBM 37xx family, the IBM 3745 represented the culmination of a line of communication controllers that played a crucial role in mainframe networking infrastructure. The fact that it was discontinued in 2002 indicates it had served a significant market need for decades.

### Manufacturing and Distribution
The IBM 3745 was manufactured by IBM and also clone manufacturers, indicating its technical specifications and functionality were significant enough to warrant duplication by third parties. This widespread manufacturing presence underscores its importance in the mainframe computing ecosystem.