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2.10 PON
2.10.1 Splitting Ratio Options
OLT system GPON ports currently support a splitting ratio of 1:64 in accordance with ITU-T rec. G.984.
2.10.2 Supported PON Classes
The OLT system currently supports B+ and C+ PON interfaces.
2.11 Protection
2.11.1 OLT Supported Protection Mechanisms
The following protection mechanisms are supported by the OLT system:
GPON type-B protection
Uplink 1:1 protection
LACP
ERPS
2.11.1.1 Type B Redundancy for GPON Ports
Configuration of type B redundancy for GPON ports (according to G.984), is a functionality that enables the protection of a GPON port with
another GPON port.
This feature is hardware enabled on the OLT system. It 1 GPON port protection for at least 4k ONTs (margin for splitter N:2 & 20km).
Figure 2-13: Type B redundancy for GPON ports
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