Turning the lamps on or off is accomplished by pressing the appropriate switches on the corresponding pillow speakers. The lamp control modules can also be directly mounted to stations equipped with PM311C or PM312C pillow speaker intercom modules.
The multiplex Lamp Control Module(s) shall be Alpha Communications® / TekTone Model PM321B, PM322B or approved equal. The PM321B module(s) shall be designed for use with NC300II series IR319B patient station; the PM322B shall be designed for use with NC300II series IR320B patient station.
When used in conjunction with the appropriate Alpha Communications® pillow speaker, PM321B and PM322B modules shall provide for on/off control of two lamp sources, generally one room lamp and one reading lamp. Lamp control modules may also be used in conjunction with Alpha Communications® / TekTone model PM311C or PM312C pillow speaker intercom modules.
All electronic components necessary for this function shall be mounted on a printed circuit board which shall be mounted to the IR319B or IR320B station. For stations equipped with PM311C or PM312C modules, the PM321B or PM322B shall be mounted to those modules.