Right to use (RTU) is a license that controls the working mode of a Flex-PON port. The working mode of a Flex-PON port can be changed by using different RTUs.
Mapping between the Flex-PON port mode, RTU type, Optical module type, and ONU type
When formulating an evolution solution for the Flex-PON, ensure that the port mode is supported by the RTU, optical module, and ONU. The following table lists the mapping between the Flex-PON port mode and the RTU, optical module, and ONU type.
Table 1 Mapping Between the Port Mode and the RTU, Optical Module, and ONU
| Port Mode | RTU Type | Optical Module Type | ONU Type |
|---|---|---|---|
| GPON | No need RTU | GPON | GPON ONU |
| XG-PON | 10G PON RTU | XG-PON | XG-PON ONU |
| XGS-PON | 10G PON RTU | XGS-PON |
|
| XG-PON/GPON Combo | 10G PON RTU | XG-PON/GPON Combo |
|
| XG-PON/GPON Combo | No RTU | XG-PON/GPON Combo | GPON ONU |
| XGS-PON/GPON Combo | 10G PON RTU | XGS-PON/GPON Combo |
|
| XGS-PON/GPON Combo | No RTU | XGS-PON/GPON Combo | GPON ONU |
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