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Things You Should Know about GPON OLT/ONU by ann travis
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Things You Should Know about GPON OLT/ONU |
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Science & Technology,Communication,Computers
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GPON is a Gigabit-capable passive optical networks which are point to multipoint fiber to the premises (FTTP)/fiber to the home (FTTH) architecture in which single optical fiber is used to serve multiple premises or users. A PON consists of an Optical Line Termination (OLT) on the provider's side and one or many Optical Network Units (ONU) on the users' side. From the Central Office’s (CO) OLT with GPON OLT SPT transceiver, a single strand of fiber goes out to a passive optical splitter where its signal is multiplied to 64 (128) different lines. The Transmit and Receive signals operate on different wavelengths allowing bi-directional operation over a single fiber. Anything transmitted from the OLT is transmitted to all 32 lines. It is up to the customer’s system ONU to determine what packets are for that customer. The PON current standards have defined downstream data rates up to 2.5Gbps. ITU-T G.984. GPON (Gigabit PON) is an evolution of the BPON standard. It supports higher rates, enhanced security, and choice of Layer 2 protocol (ATM, GEM, and Ethernet). Ingellen GPON OUN SFP 20 Km is a small form-factor pluggable module used for the ONU of GPON with 2.5Gbps in downstream and 1.25Gbps in upstream. It is high performance module for single fiber communications by using 1310nm burst-mode transmitter and 1490 nm continuous-mode receiver. This GPON OUN SFP transceiver can fully support the Class B+ ODN application specified by the ITU-T G.984.2 standard and ITU-T G.984.2 Amendent1. The module consists of 1310nm un-cooled DFB Laser, InGaAs preamplifier and WDM filter in a high-integrated optical sub-assembly. The metallic package guarantees excellent EMI and EMC characteristics, which totally comply with international relevant standards. GPON OLT SFP by Ingellen is also a high performance module for single fiber communication by using 1490nm continuous-mode transmitter and 1310 nm burst-mode receiver and compatible with GPN OLT per ITU-T G.984.2. The transmitter section incorporates a 1490nm DFB Laser with automatic power control function and temperature compensation circuitry to ensure stable extinction ratio over the whole operating temperature range. The receiver section consist of a hermetically pacakaged burst-mode APD-TIA pre-amplifier and a burst-mode limiting amplifier with LVPECL compatible differential outputs. Ingellen Technology is one of Chinese biggest Gigabit or Ethernet Passive Optical Networks solutions providers offers a wide range of fiber optic passive components and related transceivers su as GPON OLT SFP for OLT and GPON OUN SFP for OUN which totally comply with international relevant standards. If you are such customer that seaching for the object GPON OLT/ONU SPFs, you can go to visit Ingellen.com or contact our sales by sales@ingellen.com directly.
Related Articles -
GPON OLT, GPON OUN,
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