Provides 8 4-wire and GPIO analog interface ports (8 DB-9 ports).

Provides eight 4-wire analog interface ports (8 RJ45 etherCON ports).

Provides 4 channels of 2-wire (4 XLR connectors) and 4 ports of 4-wire + GPIO (4 DB-9 ports). 

Provides 4 channels of 2-wire (4 XLR connectors) and 4 ports of 4-wire (4 RJ45 etherCON ports). 

Provides 4 channels of 2-wire analog partyline with pass-through (8 XLR connectors).

Provides two 4-wire + GPIO analog interface ports (4x DB-9).

Provides two 4-wire analog interface ports (4 RJ45 etherCON ports).

Provides 2 channels of 2-wire analog partyline channels (2 XLR connections).