AASTRA 7434ip User Guide EN - Manual (Page 28)

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A ASTRA 7434 IP D ESCRIPTION
Gigabit Ethernet
The option unit offers a gigabit Ethernet interface module, the
purpose of which is to pass on gigabit traffic to the PC connected
to the IP terminal. The phone itself does not require the gigabit
speed.
Extra bell and busy signal
The option unit offers an interface for auxiliary equipment, such as
an external bell or a busy signal indicator. There are three alterna-
tives using this function:
• Busy Signal. The busy signal is activated in off-hook mode.
Can be used to control a Do-not-disturb lamp at the door.
• Extra Bell. The extra bell is activated parallel to the ring
signal.
• Combined Bell/Busy. A combined busy signal and extra bell.
Steady active in off-hook mode, and flashing when the phone
rings. Can be used for lamp indication in an office landscape,
for example.
2.12.1 Installing an Option Unit
To install the option unit, do the following:
1. Log off the phone and disconnect the power from the phone to
avoid electrostatic discharges, ESD.
2. Connect the ribbon cable to the phone, making sure the cable does
not get stuck.
3. Attach the option unit at the arrows on the back of the phone. Press
until you hear a click sound.
Note: Avoid touching the contacts when you connect the ribbon cable.