The visitation telephone
pair shall be the Sound Powered Communications
(SPC) VisitPhone System 500 or approved equal. The visitation
phone system shall comprise a fully self-contained, amplified, voice
powered phone pair, capable of being directly connected through
a wall and requiring no external connections for power or voice
signals. The amplifiers shall be capable of not less than three
years operation on a single pair of alkaline "D" cells.
The telephones
shall be fully hearing aid compatible.
The transmitters
and receivers shall be self-energizing balanced armature magnetic
elements which are equal and identical to each other. They shall
be mounted in a black "500 Style" handset and provide full duplex
communications.
The system
shall include a pair of heavy-duty handsets each attached to an
.070" thick brushed stainless steel wallplate via stainless steel
armored cable. Full strain relief shall be provided via a stainless
steel lanyard inside the armored cable. A chrome plated hanger
shall be mounted on the wallplate. The unit shall mount in a standard
two-gang backbox and tamper-proof hardware shall be included.
The system also shall be made available by the manufacturer with
separately mountable hangers to provide for situations where mounting
the system on a counter is desired or wall mounting is not possible.
The system shall be suitable for use in the correctional environment.
