User's Manual Part 8

Remote Displays Section 7
Element Management System (EMS) 4.0 User Manual
82
4.5.2 Remote RF Window
The remote RF (Radio Frequency) window, shown in Figure 72, contains two
subset of alarm indicators, one pertaining to the RF system in general and one
specific to the Linear Power Amplifier (LPA). In addition, this window has
dashboard displays for RF and Voltage Standing Wave Ratio (VSWR) readings
received from the LPA.
NOTE: When the LPA has been automatically disabled due to an internal LPA
alarm, it may be manually restored. For instructions, position the mouse cursor on
the LPA Disable indicator and read the instructions in the pop-up window that
appears as shown in
Figure 73. In this situation, the remote Alarms window will
also display a message indicating to “Reset PA,” as shown in
Figure 74.
Hardware Mismatch Host unit and remote unit are on different bands.
Host Lost Remote unit cannot communicate with host unit.
EMS Link Status EMS has not heard from the remote unit for the number of
minutes specified by the current value of the EMS Link
Timeout parameter (see Topic Topic 3.6, Setting EMS Link
Timeout, Cataloging Time, Demo Mode, on page 34).
Table 22: Remote Minor Alarms When Faulted
ALARM NAME DESCRIPTION
Temperature STM temperature is too hot.
Sec Laser Fail The reverse path secondary fiber laser is not sending light (no
light from remote unit to host unit).
Sec Rev Mux Lock The reverse path secondary fiber phase-locked-loop is out of
lock.
Sec Rev Synth Lock The secondary reverse path synthesizer is out of lock.
LPA Fan LPA fan is faulted.
LPA Temp LPA temperature is too high.
Minor Extern Alarm The minor alarm input to the remote unit is faulted.
Table 21: Remote Major Alarms When Faulted (Continued)
ALARM NAME DESCRIPTION