RicherLink

GPON technical features are mainly reflected in the transmission convergence layer. The transmission aggregation layer is further divided into a PON frame sublayer and an adaptation sublayer. The framing sublayer of GTC (GPON Transmission Convergence) completes the ODN transmission function required for the encapsulation and termination of GTC frames. The specific functions of the PON (such as ranging, bandwidth allocation, etc.) are also terminated at the framing sublayer of the PON. The gametophyte layer is invisible. The adaptation sublayer of the GTC provides an interface between the PDU and the higher layer entity. The ATM and GEM information completes the conversion of the Service Data Unit (SDU) and the Protocol Data Unit PDU at the respective adaptation sublayers. The OMCI adaptation sublayer is higher than the ATM and GEM adaptation sublayers, which identify VPI/VCI and Port-ID and complete the exchange of OMCI channel data with higher-level entities. Application of GPON in ...

SFU (Single Family Unit) type ONU device Mainly used by individual home users, which only supports broadband access terminal function, the device has 1 or 4 Ethernet interfaces, providing Ethernet/IP services,supporting VoIP service (built-in IAD) or CATV service. It mainly used in FTTH occasions ( also can be used with a home gateway to provide greater business capabilities). According to the difference between the service type and the number of ports of the ONU, there are three specific forms of the SFU-type ONU shown in Table 1. Table 1: SFU ONU device specific form NO. Ethernet  POTS CATV RF SFU-1 1 (GE or FE) 0 Optional SFU-2 4 (FE) 0 Optional SFU-3 4 (FE) 2 Optional HGU (Home Gateway Unit) ONU device This mainly used for individual home users, with home gateway function, equivalent to home gateway with EPON uplink interface, with 4 Ethernet interfaces, 1 WLAN interface and at least 1 USB interface, providing Ethernet/IP services, which can support...

The FTTH Asia Pacific Council is pleased to announce the 2019 FTTH Asia Pacific Conference – the premier fiber-to-the-home conference in the Asia Pacific region, which will be held April 15-17, 2019 at the Hilton Wuhan Optics Valley Hotel in China. The theme of this conference is “Fiber-aid 5G Smart City”, which will explore how the telecom industry in the Asia-Pacific region will build smart cities and 5G networks, and how to continue to develop FTTx and deepen fiber in network terminals. The three-day conference is full of activities, including more than 45 presentations and seminars. The keynote address will explore how the region will develop the digital revolution, which is closely related to the extensive deployment of FTTH. There are also exhibitions, welcome receptions, tea break lunches, and dinners and cultural events sponsored by the Jade Sponsor. This conference will provide you with a unique platform and a must-attend meeting for all industry colleagues. As a mature...

PON (Passive OpTIcal Network). PON means that (in the optical distribution network) does not contain any electronic devices and electronic power supplies. The ODNs are all composed of passive components such as optical splitters, and do not require expensive active electronic devices. A passive optical network consists of an Optical Line Terminal (OLT) installed at the central control station and a set of associated Optical Network Units (ONUs) installed at the customer premises. The optical distribution network (ODN) between the OLT and the ONU contains optical fibers as well as passive optical splitters or couplers. PON working principle The OLT assembles the downlink services that are sent to the ONUs into frames, and sends them to multiple ONUs in a broadcast manner. That is, the optical splitters are divided into N independent signals, and each signal contains frames sent to all specific ONUs. Each ONU extracts only the frames sent to itself, and discards the frames of other ...

RicherLink RL8008G GPON OLT Overview The RicherLink RL8008G  GPON OLT  is self-developed Compact 1U GPON OLT equipment,meeting the requirements of ITU-T G.984/G.988 and relative standards of China Telecom/Unicom GPON, possessing super GPON access capacity, carrier-class reliability and the complete security function. It can satisfy long-distance optical fiber access requirement on account of its excellent management, maintenance and monitoring capability, abundant service features and flexible network mode. RL8008G GPON OLT equipment can be used with NMS2000 network management system so as to provide users with the perfect solution. The RL8008G GPON OLT Switch provides 8 *Downsteam GPON ports, 4 * Uplink GE ETH ports and 4* Uplink 10G SFP+ ports. Up to 1:128 Split ratio for up to 1024 GPON users. The 1U pizzabox design is for easy installation, Maintenance and Space saving. RL8008G is suitable for Broadcast three in one, video surveillance network, ent...

The most basic feature of the Internet of Things is to provide "ubiquitous connectivity and online services" with ten basic functions: Online monitoring : This is the most basic function of the Internet of Things. The Internet of Things business is generally focused on centralized monitoring and supplemented by control. Positioning and traceability : generally based on sensors (GPS, mobile systems, industrial systems, building control systems, home intelligence facilities, video surveillance systems, etc. GPS (or other satellite positioning, such as Beidou) and wireless communication technology, or rely solely on the positioning of wireless communication technology, Such as mobile base station based positioning, RTLS and so on. Alarm linkage : mainly provides event alarms and prompts, and sometimes provides linkage function based on workflow or rule engine (Rule "sEngine"). Command and dispatch : command, dispatch, and dispatch functions based on time sc...

Recently, the Broadband Development Alliance released the "China Broadband Rate Status Report" (No. 22) in the fourth quarter of 2018. The report shows that in the fourth quarter of 2018, the average download rate of China's fixed broadband network reached 28.06 Mbps, an increase of 12.3% from the previous quarter, an increase of 9.05 Mbps from the end of 2017, and an annual increase of 47.6%; China's mobile broadband users use 4G network access. The average download rate on the Internet reached 22.05 Mbps, an increase of 21.3% from the end of 2017. The data shows that China's broadband network speeding work has achieved remarkable results, and the fixed and mobile broadband user experience rates have achieved rapid improvement. The broadband network user experience rate is the actual experience of the user terminal accessing various Internet applications, not only related to the subscription access rate of the telecommunication enterprise and the user, but also...