Table 3-1. Led Descriptions - Comtech EF Data PCB-4000A Installation And Operation Manual

The behavior of the LEDs, as they appear under varying operational conditions, is as follows:
LED * Color / Behavior
SUM Green
(LED 1)
Red
SSPA 1 Green
(LED 2)
Orange
-or-
SSPA 2
Red
(LED 3)
(LED 4)
Inoperable (always dark), reserved for future use
* If LED light is blinking, this indicates there is a switch fault.
Operation and Adjustment Procedures

Table 3-1. LED Descriptions

Description
Phase Combiner has no summary fault.
A Summary Fault has occurred.
SSPA is unfaulted, unmated.
SSPA is unfaulted but muted.
SSPA is faulted.
3–7
PCB-4000A 1+1 Phase Combiner
Revision 2
MN-PCB-4000A