USER
MANUAL
MPD-1611291-A
EXACT-V2 High End Rack Modulator / Exciter
3/10/2017
MPD-1611291-A
Page 52/94
3.3
Front Panel signalization (LEDs description)
A set of 4 LED’s indicate the exciter status:
o
A Power LED indicator
o
An Input LED indicator
o
An Output LED indicator
o
An Alarm LED indicator
Behavior may differ depending on the exciter function and configuration.
Below is a description of the LED’s behavior:
Name
Description
Power
Green off: power off
Green static: power on
Input
Green off: Primary input is not detected (in manual mode) or
primary and secondary input is not detected (in auto mode)
Green flashing: Primary input is OK
(1)
but secondary input is OK
(in auto mode)
Green static: Primary input is OK
(1)(4)
Output
Green off: no RF output (module failure or mute condition)
Green static: the RF output is available (normal mode)
Green flashing: Test signal
(2)
is generated or RF Maintain mode
Yellow static: Warning RFP or FWP
Red static: Error RFP or FWP
Red flashing : RFP Critical Error
Alarm
Off: No critical error detected
Red static: Module failure
Red flashing: Primary input failure
(3)
or primary clock
reference
(5)
loss (10 MHz or PPS in case of ext 10MHz + ext
1PPS primary selection)
Table 5: LED status
(1)
If primary input is detected while any condition for "Mute on TS error" is met,
the input LED flashes.
(2)
PRBS, Sine, or any special test.
(3)
Except in case of PRBS or Sine test mode.
(4)
In automatic mode, if primary input is detected, the input LED is fixed whatever
the secondary input status.
