OTDR reflector is located at all the optical network unit (ONU) side of a passive optical network (PON), which will reflect the test signal from the OTDR at the optical line terminal (OLT) side, while the traffic signal of PON system will pass through the reflector with very little loss. OTDR reflector is used to help to increase the sensitivity of the OTDR for checking the optical continuity of a subscriber and troubleshooting.
PON network
OTDR testing
Central Office Terminal
FTTX
Low insertion loss and reflectivity at traffic wavelength
High reflectivity at test wavelength
Easy to install
Exceptional reliability and environmental stability
Compatible with GPON, EPON, GEPON
Parameter | Unit | Value |
Pass band wavelength range | nm | 1260~1360 & 1460~1520 & 1575~1670 |
Reflect band wavelength range | nm | 1545~1555 |
IL(1260nm-1360nm) | dB | ≤1.5 |
IL(1460nm-1520nm) | dB | ≤2 |
IL(1545nm-1555nm) | dB | ≥20 |
RL(1260nm-1360nm) | dB | ≥35 |
RL(1460nm-1520nm) | dB | ≥30 |
RL(1575nm-1670nm) | dB | ≥30 |
RL(1545nm-1555nm) | dB | ≤1 |
PDL | dB | ≤0.4 |
Ripple(REFLECT BAND) | dB | ≤0.6 |
TDL | dB | ≤0.5 |
Operation Temperature | ℃ | -20~+65 |
Relative Humidity | %RH | 5~95 |
Connector | SC/APC or LC/APC Attenuator Type |
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