| 摘要 |
A network interface device is attachable to an intermediate field of a building entrance protector unit. The network interface device includes a jack section having a jack which is designed to receive the plug of a standard telephone. The jack includes wire leads which are connected to the telephone network terminals on the intermediate field. The jack section is mountable into a base module which is in turn attachable to the intermediate field by wedging a portion of the base module between adjacent terminals on the intermediate field. A plug section includes a plug having a pair of conductive blades therein which are connected to a pair of wire leads, which terminate in screw terminals for connection to the customer side equipment. The network interface device performs a connecting function when the plug is positioned within the jack, and an electrical connection is established between the wire leads connected to the telephone company network and the wire leads connected to the customer equipment. When there is a need to disconnect the customer from the telephone company network or to test the system, the plug can simply be removed from the jack, and a standard working telephone can be plugged into the jack for line testing purposes.
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