XGSPON Combo OLT – Technical Specification
General Description XGSPON Combo OLT supports both GPON and XGS-PON services on a single port. It allows operators to migrate from GPON to 10G networks smoothly while continuing to support existing GPON ONTs.
Standards
Optical Parameters
Feature
GPON
XGS-PON
Downstream Wavelength
1490 nm
1577 nm
Upstream Wavelength
1310 nm
1270 nm
Downstream Rate
2.488 Gbps
9.953 Gbps
Upstream Rate
1.244 Gbps
Optical Budget
B+ (28 dB), C+ (32 dB)
N1/N2: 29–31 dB, E1/E2: 33–35 dB
Max Split Ratio
1:128 (typical 1:64)
Transmission Distance
Up to 20 km (40 km with high-power optics)
Up to 20 km (40 km with extended optics)
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