-Caller Output: XLR male, 0dBu nominal, adjustable, balanced, 50 Ohm impedance
-Aux Output: XLR male, 0dBu nominal, adjustable, balanced, 50 Ohm impedance
-Telco Line: RJ-11 connector, POTS line or analog extension from a PBX or dry line (no DC offset voltage)
-Telco Set: RJ-11 connector
-Remote: DB-25 Female
-Remote Send Input: 0dBu nominal, adjustable, unbalanced, 20k Ohm impedance
-Remote Caller and Aux Output: 0dBu nominal, adjustable, . . .