Black Box Modem Splitter 4-Port RS-232 on RJ-45 - serial splitter

Passively share one RS232 DCE device with four RS232 DTE devices. Featuring multiple ports for splitting modem signals the compact 4-Port Modem Splitter (RS-232 on RJ-45) makes it easy and affordable for four terminals to share a single modem. With it you can avoid the cost of having to purchase and install multiple modems and multiple modem lines. Plus it's easy to set up and use. There are no user-configurable switches jumpers or settings on the modem splitter. Simply connect the modem and terminal (DTE) devices to it then power up your modem and terminals as normal. The splitter's master port connects to your modem using an RJ-45 straight-through cable and the appropriate RJ or DB adapter. Its other ports (Port 1 through Port 4) connect to your DTE terminal devices. NOTE Only one terminal device can send data to the modem at a time.