DESCRIPTION
The H11AAX-M series consists of two gallium-arsenide infrared emitting diodes connected in inverse parallel driving a single silicon phototransistor output.

FEATURES
• Bi-polar emitter input
• Built-in reverse polarity input protection
• Underwriters Laboratory (UL) recognized File #E90700, Volume 2

APPLICATIONS
• AC line monitor
• Unknown polarity DC sensor
• Telephone line interface