AWD008 Rev. 2 (11/00)
Copyright© 1995-2000, Alpha Communications®, All Rights Reserved
TYPICAL WIRING INSTRUCTIONS
FOR OR502SS REMOTE STATION(S)
Showing connections for 2,3 and 4 wire remote
station configurations for various intercom systems
INSTALLATION GUIDELINES and GENERAL INFORMATION:
See the specific system wiring diagram for the balance of the wiring connections required.
All low voltage wiring is #22 AWG, unless otherwise noted.
Observe all local and national electrical codes.
42 Central Drive, Farmingdale NY 11735-1202
(631) 777-5500 Fax: (631) 777-5599
TOLL-FREE Technical Line 1-800-666-4800
NOTE: The OR502SS remote comes out of the box in a 4-wire configuration. It can be
used as a 4-wire remote, or it can be modified (depending upon the system it is used
with) as a 3-wire or 2-wire remote. Use this wiring guide to assist you in wiring the
OR502SS correctly, depending upon your system.
Typically used with the PK101A, PK103B,
PK104B or PK543 systems(s). Replaces
the model OR501B or other 4-wire remotes.
Typically used with the PK704, PK724, EK714A,
SM103B, SM103BD, or NC150N system(s).
Replaces the OR501B, OR603/W or other
Typically used with the SM201B, SM203B, SM205, SM210,
SM401, SM404, SM406, SM411 system(s). Replaces the
OR510 or OR610 or other 2-wire remotes.
OR510 / OR610