Request a Quote
Relay Control Boards are used in 1816 intercom systems to identify phone lines to the main control board as relay numbers.
One (1) relay board is required for every 12 telephone lines in the system.
Total Security Warehouse is a wholesale distributor of the highest quality, most widely recognized brands of access control products available on the market.
Become a Dealer
5100 W Brown Deer RdBrown Deer, WI 53223Phone: 262-649-5111Email: firstname.lastname@example.org