HD-EO
Rev.
2
14
Diode \ state
Red LED
Yellow LED
(Version 2 only)
Green LED
No light
Status
Module is faulty,
or module is
initialising.
N/A
Module is OK
Module power is
OK
Module has no
power
Laser fail
Laser is
malfunctioning
and the APC can
no longer keep the
output power
within range.
Laser turned off
Laser is OK
LOS
(Version 1)
Loss of signal
No electrical input
signal.
N/A Electrical
input
signal present
LOCK
(Version 1)
Re-clocker is out of
lock
N/A
Re-clocker is in
lock on a
supported signal
format
LOS/LOCK1
(Version 2)
No signal on
input 1
Signal 1 present,
reclocker not in
lock
Signal on input 1
is ok
LOS/LOCK2
(Version 2)
No signal on
input 2
Signal 2 present,
reclocker not in
lock
Signal on input 2
is ok
