Video Switching Adaptor
The Alpha Communications® PK417 multi-
entrance adaptors are used with our PK314A
series amplifiers and VM104 series video-in-
tercom monitors. They provide audio inter-
com, video, and door release switching for two
(2) to three (3) entrances.
The PK417 adaptors are used in addition to the
system amplifier, and power off of the same
transformer. Positive screw terminals and 'F'
connectors make installation quick and easy.
You must add one (1) PK417 switching adap-
tor to each entrance, after the first entrance, up
to a maximum of three (3) entrances (using a
maximum of two PK417 units).
• Can be used for two (2) to three (3) entrances
• Operates on Safe Low-Voltage Class II Wiring
• Positive screw terminal and 'F' connectors
Construction: Rugged Extruded Aluminum Casing.
Positive screw terminals and 'F' conn-
ectors (for video coax).
Rev. 2 - 11/01
ARCHITECTS' AND ENGINEERS'
The multi-entrance adaptor(s) shall be Alpha Com-
munications®/Tektone model PK417, or approved
equal. Unit(s) shall provide the control and power
circuits needed to switch the audio, video, and door
release functions, to the calling entrance station.
Unit(s) shall be used in addition to standard system
amplifier. Low voltage wiring shall be used and
positive screw terminals and 'F' connectors shall be
provided for installation wiring. The PK417 unit(s)
shall be installed adjacent to the video-intercom
amplifier (PK314A or equivalent).
Contractor shall observe all local and national elec-
trical and building codes.
Copyright© 1998-2001, Alpha Communications®, All Rights Reserved
42 Central Drive • Farmingdale NY 11735-1202 • Phone (631) 777-5500 • Fax (631) 777-5599
TOLL-FREE 1-800-666-4800 • Web: www.AlphaCommunications.com • Email: firstname.lastname@example.org
Due to conti