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IMPORTANT: to ensure protection against lightning when adding
an external antenna make sure the antenna is installed inside the
home.
12.4 Connecting an external antenna
12.3 Fixing the device in place
IMPORTANT: only fix the dialler in place once the GSM network and radio repeater relay tests are satisfactory as described above.
IMPORTANT: remove the unused washer so that the dialler is
flat against the wall.
1. Fix the bracket at the 3 points. 2. Hook the dialler on to the fixing bracket.
3. Lock the dialler on to the
bracket using the locking
screws.
Locking screw (provided)
5. Screw the 2 captive
screws in the cover.
6. Position the 2 screw
covers.
Fixing hole with washer
Fixing hole without washer
Remove and throw away
the unused washer
Pozidriv 2
4. Position the cover.
Two types of antenna are available in the catalogue.
• 903-21X: bracket-mounted 5 dB antenna,
• 904-21X: 3 dB antenna with magnetic fastener.
Connector for external
antenna
Programming Display
to be performed
Selecting the
internal or external
antenna
Install mode
Programming
Programming
GSM/GPRS
GSM/GPRS
GSM antenna set.
GSM antenna set.
Internal antenna
GSM antenna set.
External antenna
or
Programming
GSM/GPRS
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