81907017E
4
GSM-3G modem type ABS CA 523, Installation guide
1.6
Power Supply
NOTE:
Normally the modem is supplied from same source as the control unit.
1.7
Mounting of DIN-rail holder
The DIN-rail holder is fastened with two screws enclosed in the kit to fit an uni
-
versal 35 mm DIN-rail according to DIN EN 60715. There are two alternatives of
mounting the holder depending on if the modem shall be mounted horizontally or
vertically.
Alternative 2
Alternative 1
Figure 1-1
Mounting the holder for DIN-rail
1.8
Antenna
The enclosed antenna is a
Dipole type T
and is to be mounted on a nonmetallic
surface. For metal cabinet; use the “Smartdisc”-antenna. The Dipole-T and the
Smartdisc antenna cable must not be extended.
In the section of
4.1 Accessory List
are additional antennas which can be or-
dered from Sulzer if the receiving signal is not sufficient.
EN