| 摘要 |
PURPOSE:To simultaneously transfer data to an optional equipment by storing tentatively a received prescribed data into a data buffer and sending the data to the reception port of a data terminal equipment of the post stage connected in series. CONSTITUTION:The data outputted from a data transmission side equipment 1 via a data transmission line 4 is stored temporarily in a buffer 2c via the reception port 2a of a handy terminal equipment 2. The data stored tentatively in the buffer 2c is sent to a post-stage handy terminal equipment 6 connected in series via a transmission port 2b. Similarly, the data is sent to the post-stage handy terminal equipment 7 from the handy terminal equipment 6.
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