HOMS
+
OP
+
and OHDS
+
OP
+
Installation and Operation Manual
31
Chapter 3: Operation
LEDs and Alarms
LEDs
The
Module Status
LED is located in the left corner of the card edge on
HOMS
+
OP
+
and OHDS
+
OP
+
front modules (see
Figure 3-1
and
Figure 3-2 on page 33
).
On the HOMS
+
OP
+
, the
Channel Status
LEDs (
Laser Transmitting
,
Lock
, and
Presence
) are immediately to the right of the
Module Status
LED. On the OHDS
+
OP
+
, the
Channel Status
LEDs consist of
Lock
and
Presence
.
Table 3-7
describes the meanings of the specific LED colors.
.
Table 3-7.
LED Descriptions
Card-Edge LED LED Color
Meaning
Module Status
None (Off)
There is no power to the module; the module is not operational.
Green
There is power to the module; the module is operating properly.
Red
An alarm condition exists (resulting from faults detected by Laser
Transmitting, Lock, or Presence LEDs, as described below).
Laser Transmitting
(HOMS
+
OP
+
only)
None (Off)
The specified channel transmitter is not functioning.
Green
The specified channel is transmitting.
Lock
None (Off)
On the specified channel, the SDI signal is not locked.
Green
On the specified channel, the SDI signal is locked.
Presence
None (Off)
No SDI signal is present on the specified channel.
Green
A valid SDI signal is present on the specified channel.
