User's Manual

TD 92082GB
PRELIMINARY
7 May 2012 / Ver. PB7
Installation Guide
LF Location Units
8
3.1.2 L951A1 Antenna Unit
50 mm
Tamper
magnet
108 mm
Figure 7. Mounting dimensions, L951A1 Antenna Unit.
1 Open the plastic case by removing the four screws on the cover plat
e.
2 Fasten the back plate of the case on the desi
red surface with four screws, see 
figure 7 for mounting dimensions. Mount the case w
ith the cable entry downwards.
NOTE: L951A1 must be mounted with the ferrite antenna i
n vertical orientation to achieve
maximum coverage.
NOTE: When the case of the L951A1 is put together, make sure that t
he reed relay and the
tamper protection magnet are placed opposite to each other.
3.1.3 L951A2 Antenna Unit
ø 6.5
90
115
90
115
Depth of
circuit board
with components
Minimum hole diameter
for flush mounting
70
30
Figure 8. Mounting dimensions in mm.
The Antenna Unit L951A2 is for flush mounti
ng. See figure 8 for mounting dimensions.
NOTE: L951A2 must be mounted with the ferrite antenna i
n vertical orientation to achieve
maximum coverage.