Analogue Terminal Adaptor – ATA1
Connects a Norstar digital extension port to a standard analogue voice or data device.
Analogue Terminal Adaptor – ATA2
Connects a Norstar digital extension port to a standard analogue voice or data device, as with the ATA1, but it runs at twice the speed.
Call Logging Interface – CL1 & CL2
A call collection device that attaches to an extension port in the box connection.
AC15 Signalling Interface
Allows you to connect a 4 wire private circuit.
E-RAD
Allows you to remotely administer the telephone system.
Ring Generator
Allows you to connect external bells to your system.
Busy Lamp Field (BLF)
Available for M7310 handset only, its LCD display indicates the active or idle state of up to 24 telephones.
