1 RS232 input into 2 RS232 Outputs splitter.
  The Ikon 232 Pea is used to split a single RS232 Transmit to feed two receivers. It’s typically
used when two identical projectors are to be controlled from a single RS232 output.
It can be used as a stand alone module and is mounted on a Din rail base.

For more info on how to use this module Click Here

23mm wide module.