VeEX MTTplus-420, User Manual

Page: 15 / 75

2.48 Gbps Downstream Direction
1490nm OLT Launch Power (dBm)
1490nm ONT/ONU Receive Power
(dBm)
Class
A
Class
B
Class
B+
Class
C
Class
C+
Class
A
Class
B
Class
B+
Class
C
Class
C+
Min Avg
Power
0 5 1.5 3 -10 -21 -21 -28 -28 -32
Max Avg
Power
4 9 5 7 9 -1 -1 -8 -8 -8
1.244 Gbps Upstream Direction
1310nm ONT/ONU Launch Power
(dBm)
1310 OLT Receive Power
(dBm)
Class
A
Class
B
Class
B+
Class
C
Class
C+
Class
A
Class
B
Class
B+
Class
C
Class
C+
Min Avg
Power
0 5 1.5 3 -10 -21 -21 -28 -28 -32
Max Avg
Power
4 9 5 7 9 -1 -1 -8 -8 -8
Launch power specifications for downstream and upstream Signal Levels
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The communication ladder is defined within the ITU G.984.3 standards document and provides full details of OLT and ONU communication that occurs during the
activation process. For an overview of the GPON activation process, refer to Appendix C
MTTplus-420_User_Manual_RevC00 Page 15 of 75