
Safe checkout
Secure payments
Fast dispatch
1–2 day handling
Free shipping
U.S. ground
Warranty & RMA
Support after delivery
74F3306 - IBM 16/4 Token Ring DB-9 Micro Channel Adapter
- Token Ring Network Adapter
- IBM Micro Channel Architecture (MCA) Interface
- Supports 16 Mbps and 4 Mbps speeds
- DB-9 Connector
- Designed for IBM MCA systems
- Legacy network technology
- Used for connecting to Token Ring LANs on MCA platforms
74F3306 isn't on our shelf today — we source it to order. Request a quote and we'll confirm price and lead time within one business day.
Key specifications
See full specs ↓- Product Type
- Network Adapter
- Network Technology
- Token Ring
- Bus Interface
- Micro Channel Architecture (MCA)
- Data Transfer Rate
- 16/4 Mbps
- Connector Type
- DB-9
- Manufacturer
- IBM
Product details
The IBM 74F3306 is a Token Ring adapter designed for IBM Micro Channel Architecture (MCA) systems. It supports 16/4 Mbps speeds and features a DB-9 connector, which was common for Token Ring physical connections in some IBM environments. This adapter provides legacy network connectivity for MCA-based IBM computers.
Technical Information
| Product Type | Network Adapter |
| Network Technology | Token Ring |
| Bus Interface | Micro Channel Architecture (MCA) |
Additional Specifications
| Data Transfer Rate | 16/4 Mbps |
| Connector Type | DB-9 |
| Manufacturer | IBM |
Description
The IBM 74F3306 is a network adapter card specifically designed for IBM's proprietary Micro Channel Architecture (MCA) bus. MCA was an advanced bus architecture introduced by IBM in the late 1980s for its PS/2 line of computers, offering features like bus mastering and auto-configuration, which were ahead of the contemporary ISA bus. This adapter leverages the MCA bus to provide Token Ring networking capabilities. As a Token Ring adapter, it enables a compatible IBM MCA system to connect to a Token Ring local area network. It supports the dual speeds of Token Ring, operating at both 16 Mbps and 4 Mbps, ensuring compatibility with different network configurations. The adapter features a DB-9 connector, which was often used for the physical connection of Token Ring networks, particularly when using shielded or unshielded twisted-pair cabling. Given that both MCA and Token Ring are legacy technologies, the IBM 74F3306 is intended for use in older IBM PS/2 systems or other MCA-based machines. Its purpose is to provide network connectivity within environments that still utilize Token Ring infrastructure and IBM's MCA platform. It represents a specific piece of hardware for maintaining or operating legacy IT systems.
Condition: Refurbished
Free U.S. ground shipping
Typically 1–2 days handling, 3–7 days in transit.
Purchase orders accepted
Government, enterprise, data center and small business.
Buying 10+ units?
Get volume pricing and availability for 74F3306.
