GPON OLT SFP PX20++ 20km 2.5G/1.25G 1490nm-Tx/1310nm-Rx 20km

2.5G/1.25G GPON/GEPON OLT SFP 1490nm-Tx/1310nm-Rx Class B+/C+ 20km module

Features

• Support ITU-T G.984.2 GPON OLT C+ application
• Single fiber bi-directional data links with symmetric 2.488Gbps Tx and 1.244Gbps Rx
• 1490nm continuous-mode transmitter with DFB LD
• 1310nm burst-mode receiver with APD-TIA
• 2-wire interface for integrated digital diagnostic Monitoring
• Receiver RESET, Signal Detect, RSSI function indication (RESET, RX_SD, RSSI)
• SFP package with SC/UPC receptacle optical interface
• Single +3.3V power supply
• Operating case temperature: 0~70°C
• RoHS6 compliance

Product Description

RNT-4311S-BCD transceiver is the high performance module for single fiber by using 1490nm continuous-mode transmitter and 1310nm burst-mode receiver. It is optical line terminal(OLT) for ITU-T G984.2. The optical transceiver is compliant with the Small Form- Factor Pluggable (SFP) Multi-Source Agreement (MSA).

The transmitter section uses a 1490nm DFB LD with automatic power control (APC) function and temperature compensation circuitry to ensure stable extinction ratio over all operating temperature range. and is ClassⅠlaser compliant IEC825 and CDRH standards.The receiver has a hermetically packaged burst-mode APD-TIA (trans-impedance amplifier) pre-amplifier and a burst-mode limiting amplifier with LVPECL compatible differential outputs.

The receiver also includes the function of burst mode signal detect output and fast RSSI output which is enabled by a trigger. When the burst optical power is on, the receiver outputs high level; when the burst optical power is off, the receiver outputs low level. Fast RSSI function can satisfy more severe timing demand to monitor the power from any ONU.

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