3-102 TM80 Telemetry Monitor Service Manual 
 
NOTE 
  Contents in 3.11.2Environmental Survey Table are actually part of 
3.11.3Network Acceptance Table. If service personnel have already 
performed environmental survey, they can fill the survey results in 
the Network Acceptance Table directly. 
 
 
3.11.4 TM80 Verification Confirmation Table 
Test or Observation Item  Result(Pass, Fail or NA) 
Ping the TM80 from the CMS and make sure that the 
mean delay is less than 250 ms and the packet lost 
rate shall be less than 1%.
 
Hold the TM80 and walk in the scope of different APs. 
After walking through the whole expected telemetry 
coverage area, observe continuous waveform on the 
CMS. Offline event times should be less than 10% of 
 
In the location where coverage is the poorest, signal 
strength displayed on the screen is higher than 
 
When the signal strength is the weakest , the amount 
of time each TM80 transporting data to central 
station is not available shall be less than 86s over a 24