FX80 / FX81 PON Optical Power Meters User Manual
Page
17
of
50
Selecting the Default profile, FX81
6.2.2.3
Thresholds Adhering to the Current 1G/10G PON Standards
The following tables are provided as reference to set thresholds adhering to the current 1G/10G
PON standards when performing measurements onsite.
ITU-T G.984-2 Standard Pass/Fail Thresholds
1.244 Gbps DS direction
1490nm OLT Launch Power
1490 ONT/ONU Receive Power
ODN Class
Class A
Class B
Class C
Class A
Class B
Class C
Min Avg Power (dBm)
-4
1
5
-25
-25
-26
Max Avg Power (dBm)
1
6
9
-4
-4
-4
2.488 Gbps DS direction
1490nm OLT Launch Power
1490 ONT/ONU Receive Power
ODN Class
Class A
Class B
Class C
Class A
Class B
Class C
Min Avg Power (dBm)
0
5
3
-21
-21
-28
Max Avg Power (dBm)
4
9
7
-1
-1
-8
