Comtech-ef-data PCB-4000 Instrukcja Użytkownika Pobierz pdf (Strona 34)

PCB-4000 1+1 Phase Combiner Revision 2

Installation, Startup, and Troubleshooting Procedures MN/PCB4000.IOM

3–6

3.3.1 LED Status Operation

ThePCB‐40001+1PhaseCombinerfeaturesfour

Light‐Emitting Diode (LED)indi cators – three are

operational, with the fourth reserved for future

applications.EachLEDprovidesvisualcues tothe

operational, online, and offline status of the

system.



Figure 3‐4 illustrates the location of the LED

indicators. Located on th

e top of the PCB‐4000

enclosure under  a pivoting protective plate, you

mayview theLEDs byfirs t looseningthe captive

screw that keeps the plate in place, and then

swiveling the plate to reveal the LED display

window.



ThebehavioroftheLEDs,astheyappearundervaryingoperationalcondi

tions,isasfollows:



LED Color / Behavior Description

SUM

(LED 1)

Green Phase Combiner has no summary fault.

Red (blinking) A switch fault has occurred.

Red (constant) A Summary Fault has occurred.

SSPA 1

(LED 2)

-or-

SSPA 2

(LED 3)

Phase-Combine

mode (RED=1)

Green (constant) SSPA is unfaulted, unmuted and online.

Orange (constant) SSPA is unfaulted but muted, and online.

Red (blinking) SSPA is faulted and has gone offline.

Red (constant) SSPA is faulted but online.

Non Phase-

Combine mode

(RED=0)

Green (constant) SSPA is unfaulted, unmuted and online.

Green (blinking) SSPA is unfaulted, unmuted and offline.

Orange (constant) SSPA is unfaulted but muted, and online.

Orange (blinking) SSPA is unfaulted but muted, and offline.

Red (constant SSPA is faulted but online.

Red (blinking) SSPA is faulted and has gone offline.

(LED 4) Inoperable (always dark), reserved for future use

Figure 3-4. PCCB LED Display Window

1 2 ... 29 30 31 32 33 34 35 36 37 38 39 ... 87 88

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