1 RJ31X PHONE JACK & CORD ADEMCO VISTA GE CONCORD ALARM
The RJ31X is for use with Alarm System Communicators, Line Fault devices, or other equipment as a means of connecting to the incoming telephone line. Includes RJ31X 8 pin modular surface mount jack and 2 ft. 8 wire modular cord with plug on one end and spade terminals on the other.