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User Manual
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:
List of supplies
•
USB external ringing interface module.
•
1 USB cable 1,5 m (4,9 feet) USB type A - USB type B.
Installation
WARNING: The module must be closed before use. No settings require the module to be open.
In idle state:
Typical usage diagram:
Phase
The breaking capacity is 12V/24V DC 15A or 120V/220V AC at 10A.
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.
8AL91433ENAAed01
Relay 2
Relay 1
Ringing or during
communication:
Neutral
The lamp lights up when the phone is in communication.
The phone is in audio communication.
The relay is active as long as the
phone is in communication.
The phone is ringing. The relay
follows exactly the ring signal.
N: Common.
NC: Active signal.
NO: Non-active signal.
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