DoorKing 1812 Classic - Manual (Page 46)

www.doorking.com
Residential Telephone Intercom/Access Control System
Installation/Owner’s Manual
Use this manual for circuit board 1871-010 Revision S or higher.
Model 1812 Classic Model 1812 Classic Model 1812 Classic
DoorKing, Inc.
120 Glasgow Avenue
Inglewood, California 90301
U.S.A.
Phone: 310-645-0023
Fax: 310-641-1586
1812-065-U-12-13