IS-SS - Aiphone stainless steel, flush mount audio only door station

The IS-SS is a stainless steel, flush mount
audio only door station and is both vandal and
weather resistant. It connects to the
IS-CCU, IS-SCU, or IS-RCU using CAT-5e/6
cable. There is a built in dry contact for door
release (24V AC/DC, 500mA). The IS-SS is
powered by the system.