2-1
2. WIRING
Connect the equipment, referring to the figure below and the interconnection diagram
at the back this manual.
2.1 Grounding
The display unit contains several CPUs. While they are operating, they radiate noise,
which can interfere with other radio equipment. Ground the unit as follows to prevent it.
• The ground wire should be 1.25sq or larger.
• The ground wire should be as short as possible.
Ground the display unit to
prevent loss of sensitivity
and mutual interference.
CAUTION
Antenna Unit
GPA-021S GPA-020S GPA-017S
20 cm
HUB-100
External
equipment
+
–
FUSE 3A
Black
White
INPUT
12-24 VDC (0.8 - 0.4A)
Wing bolt
Flat washer
Flat washer
Crimp-on lug
Spring washer
Ground
Ground
terminal
Rear of Display Unit
ANT
Ethernet
DATA1
DATA2
DATA3
DATA4
Note: The fuse is not waterproof.
Wrap the fuse holder with vinyl
tape to keep water out of the fuse
holder.
Cable for Ethernet
Use the following cable for
waterproof.
MOD-WPAS0001-030+
Base of the clamp
Note: If the optional
waterproof LAN cable is
not used, fix the LAN
cable to the base of the
clamp with the cable tie
provided.
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