The C-0438 is an easy-to-use telephone distribution module that delivers 4 CO lines to 7 phone locations. It can be used as a standalone phone distribution module or as an expansion module for larger phone systems. The 110 style connectors provide a quick and simple installation that will ensure long-lasting, trouble-free operation. The C-0438 easily mounts into Channel Vision's structured wiring enclosures using push and lock pins