Features
1.25G GPON OLT 20km Transceiver
◆Bi-directional 1.25Gbps Upstream/1.25Gbps Downstream
◆1490nm continuous-mode 1.25Gb/s DFB transmitter,
1310nm burst-mode 1.25Gb/s APD receiver
◆Complies with IEEE802. 3ah 1000Base-PX20 application
◆SFP package with SC Receptacle
◆Average Optical Power：2-7dBm
◆Receiver Sensitivity (Average Power)：<-30Dbm
◆Support Digital Diagnostic Monitoring interface
◆Laser Class 1 Product which comply with the Requirements of IEC 60825-1 and IEC 60825-2
◆RoHS compliant and lead-free
◆Rx Signal Detect output
◆Single +3.3V power supply
◆Case operating temperature
Commercial: 0 ~ +70oC
Extended: -10 ~ +80oC
Industrial: -40 ~ +85oC
◆Applications: Gigabit Ethernet Passive Optical Network (GEPON) OLT
Part Number Ordering Information
1.25G GPON OLT 20km Transceiver
Part Number | Data Rate (Gb/s) | Wavelength (nm) | Transmission Distance(km) | Temperature (oC) (Operating Case) |
HTSA-1S4323C | 1.25Gb/s Upstream/1.25Gb/s Downstream | 1490Tx/1310nmRx | 20km SMF | 0~70 commercial |
HTSA-1S4323E | 1.25Gb/s Upstream/1.25Gb/s Downstream | 1490Tx/1310nmRx | 20km SMF | -10~80 Extended |
HTSA-1S4323I | 1.25Gb/s Upstream/1.25Gb/s Downstream | 1490Tx/1310nmRx | 20km SMF | -40~85 Industrial |
General Description
HTF’ GE-PON OLT 1.25G GPON OLT 20km Transceiver transceiver HTSA-1S4323x is designed for Gigabit Ethernet Passive Optical Network transmission. The module is contained in a SFP package with SC/UPC receptacle connector. The module consists 1490nm DFB laser, InGaAs APD, Preamplifier and WDM filter in a high-integrated optical sub-assembly, and it receives up to 1.25Gbps of continuous data at 1310nm, and receives 1.25Gbps of burst-mode data at 1310nm.The module data link up to 20km in 9/125um single mode fiber.
What is PON?
Passive Optical Network is an optical point-to-multipoint access network. There are no optical repeaters or other active devices in a PON, hence the name "passive." PONs are designed for local loop transmission rather than long distance and serve to bring fiber closer to the customer in order to obtain higher speed. PONs began in 1995 when a group of telecom providers organized the Full Service Access Network group.
An optical line terminal (OLT) device resides in the telco central office or cable company head end. It generates or passes on SONET and DWDM signals via fiber to an optical network unit (ONU) in the field. The ONU provides the optical to electrical (O-E) and electrical to optical (E-O) conversion between the fiber and the copper wires that reach homes and offices in a "fiber to the curb" (FTTC) or "fiber to the neighborhood" (FTTN) scenario. When the optical line goes directly into the building for "fiber to the home" (FTTH), an optical network terminal (ONT) is used to terminate the fiber. Fiber to the home is also called "fiber to the premises" (FTTP).
FAQ
1、Question：Is it necessary to clean a transceiver's optical connector?
Answer：Dust and contamination can accumulate on transceiver's connectors and cause problems such as reducing the optic launch power. To ensure better connection, HTF strongly recommends cleaning both connectors each time you disconnect and reconnect them.
2、Question：What kinds of custom choices are offered in HTF?
Answer：As for customized transceivers, HTF offers regular custom choices such as compatibility, transmission distance, operating temperature, label pattern, label colors and etc. What's more, HTF welcomes any inquiry for customized products and solutions for all need and specifications
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