User's Manual

TRACER 4108/4208 System Manual Section 3 Engineering Guidelines
612804208L1-1B © 2003 ADTRAN, Inc. 27
Front Panel LEDs
With the TRACER 4108/4208 powered-on, the front panel LEDs provide visual information about the
status of the TRACER 4108/4208 system. Table 1 provides a brief description of the front panel features,
and Table 2 provides detailed information about the LEDs.
Table 1. TRACER 4108/4208 Front Panel Description
Feature Description
RSSI Interface DC voltage indicating strength of the received signal
TX PWR Interface DC voltage indicating strength of transmitted signal
GND Interface
Ground reference for
RSSI and TX PWR interfaces
Status LEDs Status information about the system
Table 2. TRACER 4108/4208 LEDs
For these LEDs... This color light... Indicates that...
PWR
Green (solid) the TRACER 4108/4208 is connected to a power source.
Off the TRACER 4108/4208 is not currently powered up.
PLAN A
Green (solid) the TRACER 4108/4208 is transmitting on Frequency Plan A.
Off
the TRACER 4108/4208 is not transmitting on Frequency
Plan A.
PLAN B
Green (solid) the TRACER 4108/4208 is transmitting on Frequency Plan B.
Off
the TRACER 4108/4208 is not transmitting on Frequency
Plan B.
RF DOWN Red (solid)
there is a communication problem between the local and remote
TRACER 4108/4208 systems.
T1 Alarms
T1A
.
.
.
.
T1H
Red (solid)
there is an Alarm Condition on a T1 Interface. Check the
respective T1 status page to identify the active alarm.
Red (blinking) the respective T1 is in a loopback mode.
RF LOW Red (solid)
the RSSI level is below suggested minimum threshold
(approximately 10 dBm above the minimum receive sensitivity).
TST Amber (solid) there is an active test being performed by the system.