| 摘要 |
In a modem pooling system for enabling selective connection of a plurality of data terminal units 51 to 5n to a modem 9 through an exchange switch 17, when the modem 9 is in standby state, the exchange switch 17 is controlled so that the modem 9 is continuously connected to a data terminal unit (e.g. 51) selected in advance as a responsive data unit terminal from among the data terminal units.
|
