As part of its bid to become the number one alternative to IBM in the UK plug compatible 3270 display terminal market, Nokia Data has its Alfaskop System 74 family of 3174-compatible communications controllers which includes Model 7402 for local to host communication, and Models 7401, 7404, and 7406 for remote communication: this family offers 3270 users dual IBM host support on both SDLC links and Token Rings, as well as concurrent dual host, gateway, ASCII and MLT support; using the System 74 optional Token Ring gateway up to 140 devices can be supported on a Token Ring local area network, while the optional ASCII communications support enables up to 24 ASCII ports to be installed on the controller.
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