Connect two finished telephone lines as a straight-through head to extend the telephone line
Divide a telephone line into two, one is connected to a telephone, the other can be connected to a modem or fax machine and other equipment.
Interface: RJ12 standard 4-core female port, highly compatible with RJ11 specifications.
Applicable scene: For RJ11、RJ12 telephone line extension, 2 cores and 4 cores are universal; Fax, pos machine. It is especially suitable for the situation where you want to use the modem to send faxes and make calls, and you don’t need to unplug the telephone line again.