I know most connectors that have the same type of plug and slot, or slot and slot, are generally used as extenders. However, I have a cable that's far too short to be useful as an extender. Yet, it's clearly RJ11 (6P2C) for both its plug and slot ends. What's the purpose of this connector, or any similar to it?
I have pics here (the first pic got some reflection and blur, but I can assure you that it's 6P2C):