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Setting up and connecting a device
Gigaset T440 PRO / Gigaset T640 PRO / Admin Guide INT en / A31008-N2003-R103-2-7620 / starting.fm / 6/26/17
Connecting ISDN lines
The BRI ports (Basic Rate Interface) are used to connect ISDN PABXs. Every BRI port can be
configured as an end device connector (TE) ( p. 48).
Affixing the earthing cable
The device must be earthed using a standard earthing cable (1.5 A/mm as a minimum).
Connecting the power
RJ11 phone cable (not supplied)
¤
Connect the BRI RJ-45 port to an
ISDN device
A cable with a minimum rating of 0.14 A/mm is required for BRI port connections to
the phone network to provide protection against electric shock and fire.
Earthing cable: 1.5 A/mm minimum
(not supplied)
¤
Undo the earthing screw
on the
rear of the housing
¤
Attach the earthing cable
to the
earthing screw. Connect the other
end of the earthing cable to a
protective earth conductor.
The devices are classified as Class I EN60950 and UL60950 and must be permanently
earthed.
Only use the power cable supplied.
¤
Connect the device to the mains
power
As soon as power is connected up, start
the system. The
POWER
LED on the front
lights up.
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