| 摘要 |
A terminal unit of the present invention and applicable to a wired services network distinguishes two or more different kinds of plugs possibly connected to its general-purpose modular jack, reads a particular protocol matching the plug out of its storage, and then sets the protocol as its own protocol. Therefore, a plurality of data terminals each having a particular protocol can share a single terminal unit. In addition, a protocol adequate for a desired data terminal can be automatically set. This enhances the convenient use of terminal equipments.
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