4-wire circuit - メーカー・企業と製品の一覧

4-wire circuit branching device [BC-1142]

This device is installed at branching points such as distribution terminals to configure branching lines for four-wire telephone lines and is used to connect multiple four-wire telephone terminal devices.

This device is installed at branching points such as distribution terminals to configure branching lines for four-wire telephone lines, allowing for the branching connection of multiple four-wire telephone terminal devices.