USB 2.0 to 4-Port RS-232 DB9 Serial Adapter Hub — COM Port Multiplier

Convert a single USB 2.0 connection into four RS232 DB9 COM ports with this USB2.0 to RS232 hub. Acts as a serial port multiplier, providing four DB9 RS-232 interfaces for connecting legacy serial devices to modern systems. Ideal for adding multiple COM ports to a PC, POS terminal, modem, or industrial equipment that require RS-232 connectivity.