GE Grid Solutions MDS Master Station - LN Radio Modules; LN Master Radio Module LED Indicators

MDS 05-6399A01, Rev. F MDS™ Master Station 105
6.5 LN Radio Modules
Figure 6-8. LN Radio Module
(Part No. 03-6846A01-Lxx)
The LN Master Radio Modules are field replaceable, hot swappable, radios offering narrowband
communications.
Master station Radio modules are field replaceable and hot
swappable. Refer to Section 8.4 Replacing Modules for information on removal
and installation.
When installing Radio Modules, torque thumbscrews to 10 in-lbs,
or approximately ¼ turn past hand tight, to insure optimum heat
transfer through thermal contact connector on the rear of the unit.
LN Master Radio Module LED Indicators
The LN Radio Modules have bi-color green/red LEDs to indicate power, alarm, and
active/standby status as shown in the table below. Blue LEDs to indicate receiver transmit and
receive are also provided.
Table 6-14. LN Interface LED Descriptions
Mode
LED
State
Description
Access Point / Remote
ACTIVE
PWR/ALARM
Off
Green
 Interface is operational.
 Interface is not currently the active NIC in a
redundant system.
Access Point / Remote
ACTIVE
PWR/ALARM
n/a
Flashing Red
 Interface is in an alarmed state
Access Point
ACTIVE
PWR/ALARM
Red
Green
 Interface is operational.
 Interface is currently the active NIC in the
system.
 There are no connected remotes.
Access Point
ACTIVE
PWR/ALARM
Green
Green
 Interface is operational.
 Interface is currently the active NIC in the
system.
 There are is at least one connected remote.
Remote
ACTIVE
PWR/ALARM
Green
Green
 Interface is operational.
 Interface is currently the active NIC in the
system.
 The interface is connected to an access point.