The NSA (Network Stream Adapter) in a PoE (Power over Ethernet) enabled, bidirectional AES67 to AES3 converter; the NSA also enables 1000 and 1100 series Intercom panels to be connected via AES67 to a Riedel ARTIST-32/64/128 Intercom matrix; the NSA can be powered redundant or alternative with a power adapter (1090302).