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Section 3 Engineering Guidelines TRACER 4106/4206 System Manual
26 © 2004 ADTRAN, Inc. 612804206L2-1A
1. EQUIPMENT DIMENSIONS
The TRACER 4106/4206 unit is 17.12” W, 9.34” D, and 1.72” H and can be used in 19 or 23-inch rack-mount
configurations.
2. POWER REQUIREMENTS
The TRACER 4106/4206 system has a maximum power consumption of 20 Watts and a maximum current draw of
0.95 Amp (at 21 VDC).
3. REVIEWING THE FRONT PANEL DESIGN
The front panel contains an RSSI test point, a GND reference for use with the RSSI test point, and status LEDs to
provide visual information about the TRACER 4106/4206 system. Figure 1 identifies the various test points and the
LEDs on a TRACER 4206 front panel. The TRACER 4106 front panel layout is identical to the TRACER 4206
front panel.
Figure 1. TRACER 4206 Front Panel Layout
RSSI Monitoring Interface
The RSSI voltage is a function of the signal strength at the receiver and is used to measure the received signal
strength. RSSI varies from approximately 0 to 5 Volts DC (VDC). An RSSI Calibration sheet is shipped with the
system to provide the installer a cross-reference between actual received signal level (in dBm) and RSSI voltage.
This sheet is useful for verifying link budget calculations and ensuring proper equipment installation.
Front Panel LEDs
With the TRACER 4106/4206 powered-on, the front panel LEDs provide visual information about the status of the
TRACER 4106/4206 system. Table 1 provides a brief description of the front panel features, and Table 2 provides
detailed information about the LEDs.
Table 1. TRACER 4106/4206 Front Panel Description
Feature Description
RSSI Interface DC voltage indicating strength of the received signal
GND Interface
Ground reference for
RSSI interface
Status LEDs Status information about the system
ALARM
T1A T1B T1CT1D
TRACER 4206
Status LEDs
RSSI
GND