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3C619B - 3Com TokenLink III 16/4 ISA Token Ring Adapter
- 16/4 Mbps Token Ring speed
- ISA bus interface
- Token Ring network technology
- Manufactured by 3Com
- Reliable connectivity for legacy systems
- Supports both 16 Mbps and 4 Mbps operation
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Product Overview
The 3Com TokenLink III 16/4 ISA Token Ring Adapter (3C619B) is a network card designed for legacy systems utilizing the ISA bus. It provides 16/4 Mbps Token Ring connectivity.
Technical Information
| Interface | ISA |
| Network Technology | Token Ring |
| Data Rate | 16/4 Mbps |
Additional Specifications
| Manufacturer | 3Com |
| Model | TokenLink III |
Product Description
The 3Com 3C619B, also known as the TokenLink III 16/4 ISA Token Ring Adapter, is a legacy network interface card (NIC) designed for older computer systems that feature an ISA (Industry Standard Architecture) expansion bus. This card provides connectivity to Token Ring networks, a networking technology that was popular before the widespread adoption of Ethernet. It supports dual data rates, allowing operation at either 16 Mbps or 4 Mbps, depending on the network configuration and requirements. As an ISA-based card, the 3C619B is intended for installation in older PCs and servers, particularly those from the late 1980s and early to mid-1990s. The ISA bus is characterized by its slower data transfer rates compared to later standards like PCI or PCI-Express, but it was sufficient for the speeds offered by Token Ring technology at the time. 3Com was a prominent networking hardware manufacturer, and the TokenLink III series was known for its reliability. This adapter would have been used in environments that relied on Token Ring for their local area network infrastructure, such as some corporate offices or educational institutions during its active deployment period. Its primary value today lies in maintaining or restoring functionality to such legacy systems.
