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Noteworthy Token Ring 16/4 Mbps PC Card
Price: US $10.00
Noteworthy Token Ring PC Cards (PCMCIA) 16/4 Mbps - Untested and could not find any brand drivers - Sold as is Token Ring PC Cards (PCMCIA) connected vintage laptops to IEEE 802.5 Token Ring networks. Notable models like the IBM Credit Card Adapter and 3Com TokenLink offered robust on-board processing and software-selectable ring speeds for collision-free star-wired logical rings.Core Technical SpecificationsFeatureSpecificationBus Interface16-bit PCMCIA (PC Card) Type IIData RatesSelectable 4 Mbps or 16 MbpsTopologyStar-wired physical, Ring logicalOnboard RAMTypically 64 KB shared buffer memoryCabling / MediaShielded Twisted-Pair (STP / IBM Type 1) or Unshielded Twisted-Pair (UTP / RJ-45 via external dongle/media filter)StandardsIEEE 802.5
