User Manual
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4.5
USB external ringing interface module (USB Interface module 2 relays
3GV28184AA)
The USB external ringing interface module allows driving an external system (like a ring or a lamp),
following the ring tone cadence or the communication state of the phone connected on the telephone
line. No system configuration is requested to install the module.
USB Interface module 2 relays lets to connect directly one or 2 external ringings on the USB connector of
your desk phone:
Relay 2
The phone is in audio
communication. The relay is active as
long as the phone is in
communication.
Relay 1
The phone is ringing. The relay
follows exactly the ring signal.
List of supplies
•
USB external ringing interface module.
•
1 USB cable 1,5 m (4,9 feet) USB type A - USB type B.
4.5.1
Installation
WARNING: The module must be closed before use. No settings require the module to be open.
In idle state:
Ringing or during
communication:
N: Common.
NC: Active signal.
NO: Non-active signal.
Typical usage diagram:
Phase
Neutral
The lamp lights up when the phone is in communication.
The breaking capacity is 12V/24V DC 15A or 120V/220V AC at 10A.
4.5.2
Connect the device
•
Plug the provided cord USB type B on the USB connector of the module.
Plug the provided cord USB type A on the USB connector of the desk phone. See description of the
connectors of your phone.