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1.7
ANTENNA
Primary cellular antenna connections are SMA female connectors and must be used with antenna with SMA male
connectors. When using a direct mount or rubber duck antenna, choose the antenna specific to your band
requirements. Mounting options and cable lengths are user's choice and application specific.
The diversity antenna connector, labeled AUX on fixed location models and DIV on mobile models, can be used for a
Diversity antenna. The diversity port supports Cellular (850 MHz) and PCS (1900 MHz) bands. Connect a dual band
cellular antenna to this port to implement RX diversity on the unit and increase receive sensitivity on the cellular
network.
For mobile models equipped with WiFi, the antenna connector labeled AUX is an RP-SMA female connector for 2.4 GHz
WiFi that facilitates 802.11 b and 802.11 g wireless networks.
1.8
POWER CABLE PINOUT
Depending on the version (fixed or mobile) of Vanguard 3000 ordered, different power cables are provided. The mobile
version ships with a 22-foot power cable that requires a fuse (included). The fixed version ships with a 6 foot DC three-
wire power cable that does not contain a fuse. An AC power adapter is available as an optional accessory. Regardless of
the cable length, the pinout is the same and only the color of the ground wire differs (blue in the mobile wire harness,
and black in the fixed).
When installed for a fixed application or if the Ignition-sense line is not required in a mobile application, the ignition
sense line (white wire) should be shorted to V
Figure 9 Wiring for ignition sense
The fuse provided inside the fuse-holder that is part of the wiring for mobile applications is a 2 Amp fast-acting fuse
(EF2AL250VP).
/ V
(red wire).
IN
Battery
Table 7 Power Cable pin-out, signal, and wire colors
Pin
Signal
1
V
/ V
IN
2
Ground
3
Ignition Sense
4
No Connect
Vanguard 3000 Series Multicarrier Cellular Data Modem & IP Router PN 001-7300-100 Rev. B
Color Mobile
= 9 to 28 VDC
Red
Batt
Blue
White
NA
Color Fixed
Red
Black
White
NA
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