Honeywell EK280 Applications Manual page 89

EK280
− Open the housing cover of the EK280.
− Push the 2×8-pin terminal strip of the modem assembly onto the
modem interface (X26) of the EK280 ( illustration). Pay special
attention to correct engagement of all 16 pins into the socket strip.
− Pass the GSM antenna supplied from the inside into the central plastic
cable gland. One eyelet of the green-yellow protective earth wire is
placed between the cable gland and the antenna base; the protective
earth wire is positioned laterally ( illustration).
i
Lead the protective earth wire laterally out of the bore ( illustration)! If this is not done, the
antenna cannot be pushed into the correct position.
Fasten the antenna by tightening the
cable gland ( illustration.)
i
While tightening, hold the antenna from the inside against the cable gland. Otherwise the antenna
will be pushed into the housing during tightening.
− Loosen the M4×6 pan headed screw with which
the earthing lead is retained between housing
cover and housing base.
− Reattach the earth lead of the antenna together
with the earth between housing cover and base at
the illustrated screw post ( picture).
Application Manual
Attach the modem assembly at the three points marked.
Only use the Plastide 3×6 pan headed screws supplied.
The fourth screw is fitted later (
Earthing of aerial
 below).
Earthing of cover / base
Oval headed screw
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