User's Manual Part 9

Screen-Based Reference Remote Displays
Element Management System (EMS) 4.0 User Manual
85
4.5.3 Remote STM Window
The remote STM (Spectrum Transport Module) window, shown in Figure 75,
contains subsets of alarm indicators pertaining to the STM optics function and
synthesizers. The indicators are refreshed about every three seconds. Table 26
describes the optics alarms. Table 27 describes the synthesizer alarms. Table 28
describes the band indicator.
Figure 75. Remote STM Window
Table 26: Remote STM Optics Alarms When Faulted
ALARM NAME DESCRIPTION
Pri Laser Fail The reverse path primary fiber laser is not sending light (no light
from remote unit to host unit).
Pri Rx Light No light is being received on the primary fiber (no light from host
unit to remote unit).
Pri Errors Multiple errors are occurring on primary fiber. Error rate has
exceeded 10
–6
(one bit error per million bits).
Sec Laser Fail The reverse path secondary fiber laser is not sending light (no light
from remote unit to host unit).
Table 27: Remote Synthesizer Alarms When Faulted
ALARM NAME DESCRIPTION
Pri Rev Mux Lock Reverse path primary fiber phase-locked-loop is out of lock.
Fwd Synth Lock Forward path synthesizer is out of lock.