Service
10
Socket with only one slot
1 Insert the power supply unit with the small connector into the
POWER jack and then insert the power supply unit into a 230V
wall socket.
2 Disconnect the existing telephone cable from the telephone and
insert the freed-up connector into the LINE jack.
3 Insert the connection cable provided into the telephone with
one connector and insert the other connector into the TEL jack.
This connection option is recommended on the assumption
that the telephone's connections are a normal pair of telephone
cable connections. This is the case if the telephone complies
with Regulations TBR21 or ETSI ES 203 021. In the event that
the "earth" and "alarm" contacts are used on your telephone
socket, you must exclusively use a two-core telephone cable.
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