incoming line การใช้

In a common design, incoming lines have a disconnect switch and a circuit breaker.
Workers who answer 4-plus incoming lines and to whom you have no obligation whatsoever.
On average, it costs about $ 400 to add a new modem and incoming line.
These changes will assign to each incoming line a dedicated track, without any intersections between the lines.
When not inserted into a jack, the jack itself ( mechanically ) connects the incoming line to the next socket.