1816 AP Telephone Intercom Expansion

• Only a single Access Plus controller can be used with the 1816AP intercom expansion module
• Ideally suited for apartment buildings, college resident halls, and office buildings
• Full-Duplex communication, built-in call waiting, double ring feature identifies visitor calls from regular incoming phone calls

1816-083 cabinet includes one relay board and a decoder board.
Relay board allows the Access Plus system to interface with an additional 12 phone lines when being used in the telephone intercom mode.
One RJ71C phone block necessary for each relay board in the system (maximum 2).
One connecting cable (15-ft) necessary for each relay board in the system (maximum 2).
Extra cable available as needed.