Aiphone TD-1H to 24H 1-24 way Master stations

Aiphone TD-12H 12 way master interphone

TD-12H

Can be installed with up to 11 additional TD-12H units to create a 12 way intercom system, allows any unit to call any other unit, allows conference calls, allows up to 6 calls simultaneously.

Can be used as a master 12 way unit and combined with TD-1H where master to slave calling is required

Requires power supply PS-12S-1 for up to 12 units

TD-1H

Can be used as a single intercom call point, allows calling master to slave or slave to master type setup, can not be used as slave to slave.

Can be used as a master 12 way unit and combined with TD-1H where master to slave calling is required

Requires power supply PS-12S-1 for up to 12 units

PS-12S-1 Power supply for up to 12 TD-12H/TD-1H units

See PDF for full details