CalAmp GUARDIAN User Manual download pdf (Page 11)

1.4 PHYSICAL DESCRIPTION

Guardian consists of two PCBs, one that includes the modem circuitry and the other the radio module. Both are

installed in a cast aluminum case. The unit is not hermetically sealed and should be mounted in a suitable enclosure

when dust, moisture, and/or a corrosive atmosphere are anticipated.

The Guardian is designed for easy installation and configuration; the Guardian features no external or internal switches

or adjustments. All operating parameters are set via the setup port.

1.4.1 FRONT PANEL

The front panel has the following connections.

• (1) 8-Pin user interface block connector

• (1) 50-ohm TNC female Antenna connector

• (1) 50-ohm SMA female receive antenna connector (Dual-Port and Full-Duplex models only)

• (1) Right-angle power connector (10-30 VDC)

• (2) DE-9F RS-232 ports

• For Dual-Port or Full-Duplex Guardian connections, see Section 1.4.6.

Figure 1 Guardian Front Panel

1.4.2 LED PANEL

The LED panel has five Tri-Color LEDs. The functionality of each LED is shown in the following table.

Table 2 Guardian LED Functionality

LED

Color

Definition

Power

Green

Amber (Solid or Blinking)

Red

Guardian ready, normal operations

Guardian is programming

Guardian hardware fault

Status

Green

Red

Amber (Solid or Blinking)

Guardian no fault conditions, normal operations

Guardian has a fault condition, check unit status

Guardian detects high background noise

Green

Off

Receiving data

Guardian™ Serial Modem or Analog Radio for Licensed Spectrum PN 001-5006-000 Rev. 3 | Page 3

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CalAmp GUARDIAN User Manual Page 11