1. Field of the Invention
The present invention relates to an errorproof device, and more particularly to the combination of an errorproof device and a modular socket.
2. Description of Related Art
A conventional communication modular socket for connection with a modular plug used in a telephone line or a modem does not have the ability to distinguish whether the plug to be inserted into the socket has the appropriate dimension. For example, the currently available RJ 11 or RJ45 plugs are both used for communication devices and respectively have a dimension different from the other. Because the RJ 11 plug has a smaller dimension than that of the RJ 45 plug, the RJ 11 plug may be erroneously inserted into the modular socket (namely the RJ 45 socket) configured to mate for the RJ 45 plug and thus leads on the RJ 45 modular socket may be damaged.
To overcome the shortcomings, the present invention tends to provide an improved modular socket having an errorproof device therein to mitigate the aforementioned problems.