2024年1月25日星期四

Why have and choose 100G QSFP28 BIDI ?

 The acceleration of global digital transformation has promoted the iterative upgrade of network construction in various countries around the world. In particular, data-intensive applications such as video applications and IoT have driven rapid growth in bandwidth demand. Operators and Internet manufacturers need to use their traditional 10G/40G networks under limited optical fiber resources. Upgrade to expand to 100G. Facing different distance application scenarios, HTF launched a full range of 100G QSFP28 BIDI solutions to help customers achieve low-cost system network upgrades.


HTF 100G QSFP28 BIDI series optical module products



100G QSFP28 BIDI module


It is suitable for application scenarios with long-distance, low-latency transmission and scarce optical fiber resources. It can meet the needs of interconnection between cities or remote villages, connection between regional data centers and edge data centers, interconnection between different campus computer rooms in the enterprise, and 5G convergence. Requirements for interconnection from the computer room to the core routing.


The full range of HTF 100G QSFP28 BIDI modules will help customers improve network transmission efficiency, increase fiber utilization, reduce network deployment costs, reduce operation and maintenance expenses, and help customers continue to create value.



HTF can help you design coherent 400G/200G/100G DWDM/OTN solution, DWDM Single lamda 100G/200G/400G Dual fiber/Single fiber Ultra long distance transmission.

HTF support customized DWDM Interconnect Solution for Data Center Cloud, If need the suitable solution for your Data Center, welcome to contact HTF team, Send your requirement to ivy@htfuture.com, Or Leave message or contact HTF sales online. Will reponse you within 24 hours.

2024年1月24日星期三

Why use 800G OSFP?

 High reliability

The 800G OSFP SR8 optical transceiver module has high reliability and can work stably for a long time in high-density environments.


Hot-swappable

The module adopts a hot-swappable design, allowing users to replace and maintain it without interrupting the network connection.


Low energy consumption

Due to the use of efficient VCSEL technology, the module has lower energy consumption, helping data centers achieve energy conservation and emission reduction.


High speed data transfer

This module can realize 800G high-speed data interconnection within 100m, improving the data transmission efficiency of the data center.

What is 800G OSFP SR8?

 The 800G OSFP SR8 optical transceiver module is a hot-swappable optical transceiver module designed for use in data center 800G SR8 Ethernet links. This module uses the latest 100G PAM4 and VCSEL technology to achieve 800G data interconnection within 100m. The emergence of this module enables data centers to achieve more efficient and reliable data transmission when performing high-speed data transmission.

100G PAM4 technology
100G PAM4 technology is a modulation technology that transmits data in the form of pulses. Compared with traditional binary signals, PAM4 signals have higher frequency band utilization and therefore can achieve higher data transmission rates. In the 800G OSFP SR8 optical transceiver module, PAM4 technology is used to achieve 800G high-speed data transmission.

VCSEL technology
VCSEL is a vertical cavity surface emitting laser. It is a laser manufactured on a semiconductor chip, and its emission direction is perpendicular to the surface of the semiconductor chip. VCSEL has the advantages of low power consumption, low cost, and high reliability, so it is widely used in the communication field. In the 800G OSFP SR8 optical transceiver module, VCSEL is used as the emitting light source to transmit data to the destination through optical fiber.

2024年1月23日星期二

Why use 10G BIDI SFP+ optical module?

 10G BIDI SFP+ optical module, the interface is LC simplex, and the transmission distance with single-mode simplex optical fiber is up to 100 kilometers. BiDi refers to single fiber bidirectional, which uses WDM technology to send and receive different center wavelengths in two directions, thereby realizing bidirectional transmission of optical signals with one fiber.

BIDI optical modules must be used in pairs.
The biggest advantage of BIDI optical modules is to save fiber resources and combine two transmission fibers into one, greatly reducing link costs.

2024年1月22日星期一

400 Gbps port increase

 Dell‘Oro expects 400 Gbps port shipments to continue to grow, with 51.2 Tbps chips also driving another wave of 400 Gbps adoption. It is expected that by 2027, the penetration rate of 400 Gbps/800 Gbps port number will reach more than 40%.

So now many customer use HTF 400G muxponder card, to increase network capacity.

HTF can help you design coherent 400G/200G/100G DWDM/OTN solution, DWDM Single lamda 100G/200G/400G Dual fiber/Single fiber Ultra long distance transmission.

HTF support customized DWDM Interconnect Solution for Data Center Cloud, If need the suitable solution for your Data Center, welcome to contact HTF team, Send your requirement to ivy@htfuture.com, Or Leave message or contact HTF sales online. Will reponse you within 24 hours.

2024年1月18日星期四

How to check if DWDM line has CRC error?

 How to check if DWDM line has CRC error?

Analysis of the causes of CRC error messages in wavelength division transmission networks

Based on many years of experience in the application and installation of wavelength division transmission networks, we summarize the following reasons for the occurrence of CRC error messages, which can be used for practical reference:

1. The light attenuation is large, and the light received by the optical module is weak, close to the critical value.
2. The influence of dispersion, the transmission distance is long, and the dispersion compensation is not enough.
3. The cumulative signal-to-noise ratio of the line is low, affecting signal integrity.
4. Nonlinear effects. Single-wave optical power is too large, causing nonlinear effects.

HTF can help you design coherent 400G/200G/100G DWDM/OTN solution, DWDM Single lamda 100G/200G/400G Dual fiber/Single fiber Ultra long distance transmission.

HTF support customized DWDM Interconnect Solution for Data Center Cloud, If need the suitable solution for your Data Center, welcome to contact HTF team, Send your requirement to ivy@htfuture.com, Or Leave message or contact HTF sales online. Will reponse you within 24 hours.

2024年1月14日星期日

DCI BOX, lighting up the DCI transmission network

 Data Center Inter-connect (DCI) technology refers to a technology that builds a DCI data center interconnection network to connect different data centers to each other in order to allow data centers to operate better together. With the rapid development of high-frequency transactions, 4K/8K high-definition video live broadcast, 5G and cloud services, DCI transmission networks are required to have low latency, large bandwidth, large-granularity services, and minimalist operation and maintenance. Data center interconnection, telecommunications or radio and television metropolitan wavelength division/backbone wavelength division construction, and industry network construction of dedicated lines and private networks are typical usage scenarios for coherent DCI transmission. The following requirements are put forward for DCI interconnection equipment:

Small size: compact 1U/2U

Low power consumption: ❤0W/100G

Minimalist maintenance: supports WEB/CLI/SNMP

Low latency, large bandwidth: 100GE and above service access

The WDM-OTN interconnection equipment used in traditional DCI is huge (generally 12U), while the compact DCI BOX only occupies a 1U/2U rack size and can easily meet the demand, so it is increasingly favored by enterprises and operators.

To this end, HTF has launched the latest DCI BOX2.0 series of related subsystem products, which are 2U 6.4T DCI BOX, with a maximum capacity of 6.4T in a single chassis. It is a business platform customized for data center interconnection (DCI) and metropolitan area network wavelength division applications. It realizes the sharing of optical layer equipment and electrical layer equipment or independent chassis, saving chassis and providing convenience for capacity expansion.

HTF 2U 6.4T DCI BOX

HTF DCI BOX Highlights

Ultra-large bandwidth granularity: a single wave supports 400G rate, adaptable to various scenarios in metropolitan areas and medium and long distances

Full-service access capability: DC full-service support (network, service, storage interface)

Modular design: all components are modular, deployed on demand, and expanded on demand

Ultra-large access capacity: 6.4T single chassis, 400G*80 waves 32T system capacity

Open system architecture: decoupled network architecture, adaptable to Yifeiyang and third-party optical layer solutions

Optoelectronic integrated plug-in box: the optical layer and the electrical layer are shared, the optoelectronic integrated chassis has flexible plug-in boards

Extremely simple maintenance: WEB/SNMP/CLI, supporting flexible and convenient device management methods

Fully supports ROADM: supports third generation ROADM, FLEX GRID, supports ROADM and flexible grid below 9 dimensions

The HTF DCI BOX system adopts a front and rear heat dissipation design and is equipped with multiple sets of high-speed fans to ensure excellent heat dissipation performance; the optical layer supports EDFA boards, WSS boards, OP boards, etc.; the electrical layer supports 100G/200G/400G coherent boards. ; Management supports SNMP/Netconf protocol, CLI/Web/BS management, dual master backup, and OSC communication. Its powerful transmission capabilities and management capabilities are very suitable for use in data centers and metropolitan area networks.

Supports business configuration, device status query, alarm record and query, online program upgrade, board reset and other functions.

Adopting client software management, it supports centralized management of no more than 500 network elements, network element topology generation, business configuration, equipment status query, alarm record and query, alarm email push and other functions. The HTF DCI BOX2.0 system can meet not only point-to-point networking, but also more complex long-chain, ring, and composite networking. As the technology of optical modules/optical chips continues to develop, the reduction in transmission costs and the improvement of transmission technology will increase the demand for DCI technology in the future.

HTF support customized DWDM Interconnect Solution for Data Center Cloud, If need the suitable solution for your Data Center, welcome to contact HTF team, Send your requirement to ivy@htfuture.com, Or Leave message or contact HTF sales online. Will reponse you within 24 hours.

2024年1月11日星期四

DWDM Interconnect Solution for Data Center Cloud

 Internet giants, ICPs, and enterprises use DCI (Data Center Interconnect) solutions to provide high-quality and near-infinite bandwidth connections to their data centers, while controlling costs through self-built infrastructure. However, with the massive increase in the scale of data center construction, the demand for data center interconnection has doubled. How to make full use of the limited optical fiber resources and obtain reliable large-capacity transmission is one of the challenges of data center interconnection.

When building a DCI solution, what aspects need to be considered?

Not only need to consider the demand for connection bandwidth,

It is also necessary to consider the requirements of simplification of operation and maintenance and intelligence.

The DCI optical transmission equipment (HT6000) specially created by HTF for data center interconnection has the outstanding characteristics of large capacity, small size, low energy consumption, and simple operation and maintenance. The simplified management mode brings the ultimate user experience to the DCI bearer network.

HTF support customized DWDM Interconnect Solution for Data Center Cloud, If need the suitable solution for your Data Center, welcome to contact HTF team, Send your requirement to ivy@htfuture.com, Or Leave message or contact HTF sales online. Will reponse you within 24 hours.

HTF can help you design coherent 400G/200G/100G DWDM/OTN solution, DWDM Single lamda 100G/200G/400G Dual fiber/Single fiber Ultra long distance transmission. Expand your network capacity and 400G DCI network easily.

2024年1月8日星期一

DWDM Solution for Long Distance 40G Network

 Background

The amount of data accumulated today by users and enterprises is vast, and keeps growing. Consequently, storing and accessing this data have also become more demanding, requiring higher data capacity and data transport over longer distances. One of our customers is looking at adding DWDM system for existing 40G Network as a future technology in a more serious way.

Challenge
The storage infrastructure in data centers today are equipped with 10G and 40G switches. Increasing the transmission distance of the network is challenging especially for 40G, as the maximum reach of 40G QSFP+ optics is limited to 40 km and each 40G interface needs a dedicated fiber between sites, leaving a gap for data centers to fill. The customer network has a dark fiber linking two sites beyond 40km, and they barely know the link loss between these sites.

Solution
With a relatively large link budget, this solution helps boost 80G data reach up to 60km without the need to place additional fiber. In this way, one 40G optical signal can be broken out into 4x10G signals, and then the OEO converts them into the corresponding DWDM wavelengths. If adding dispersion conpensation modules and amplifiers, the link distance can be more than 60km. For example, even 80km is possible.

As DWDM 10G 80km transceiver is utilized for data transmission, we use the attenuator to adjust the Rx power of optical transceiver in the range of -13dBm~-20dBm to avoid burning the transceiver.

The booster amplifier (BA) is deployed behind the optical transmitter MUX while in front of the optical fiber line to increase the power of the transmitted light. The pre-amplifier (PA) is placed before the optical receiver Mux but after the optical fiber line to amplify the weak optical signal.

DWDM solution
Customer Benefits
A cost-effective 40GbE solution is a key enabler for delivering support for higher bandwidth flows and lower latency. HTF 40G network solution enables the use of inexpensive and simple 10Gb DWDM systems to extend a 40GbE service, avoiding the need for new hardware or for an entirely new cabling infrastructure, providing a significant investment protection.

HTF can help you design coherent 400G/200G/100G DWDM/OTN solution, DWDM Single lamda 100G/200G/400G Dual fiber/Single fiber Ultra long distance transmission.

What is 400G DCI?

 As cloud storage, AI and 5G rapidly evolve, current transport abilities can no longer meet the demand for network capacity in data centers. The next generation 400G network equipment offers greater efficiency, more scalable features, larger capacity and fewer network failure points, addressing the massive bandwidth needs of network facility operators. When building more demanding network environments, 400G provides the foundation for high flexibility and customer selectivity, making it an ideal solution.

HTF can help you design coherent 400G/200G/100G DWDM/OTN solution, DWDM Single lamda 100G/200G/400G Dual fiber/Single fiber Ultra long distance transmission. Expand your network capacity and 400G DCI network easily.

What Is Active DWDM Network?

 Active DWDM system, regarded as a transponder-based system, can help to transport large amounts of data between sites in a data center interconnect setting. Different from passive DWDM networks,

Active DWDM networks usually include OEO, active DWDM Mux Demux, EDFA, DCM, and other active WDM components, which are more suitable for long-distance transmission. Besides, active DWDM networks provide performance monitoring and diagnostic tools for all-optical ports.

HTF can help you design coherent 400G/200G/100G DWDM/OTN solution, DWDM Single lamda 100G/200G/400G Dual fiber/Single fiber Ultra long distance transmission.

2024年1月5日星期五

What is DWDM components?

 A DWDM system generally consists of five components:

Optical Transmitters/Receivers, DWDM Mux/DeMux Filters, Optical Add/Drop Multiplexers (OADMs), Optical Amplifiers, Transponders (Wavelength Converters).

HTF can help you design coherent 400G/200G/100G DWDM/OTN solution, DWDM Single lamda 100G/200G/400G Dual fiber/Single fiber Ultra long distance transmission.

2024年1月3日星期三

What is an optical amplifier?

 Optical amplifiers extend the optical link power budget for building long-distance dense wavelength division multiplexing (DWDM) networks by amplifying up to 96 wavelengths (the full C-band).

Optical amplifier types include Raman and three main types of Erbium-doped fiber amplifier (EDFAs): booster, inline, and pre-amplifier.

Optical amplifiers form an amplified optical transport network (OTN) link over long distances, without the need for regenerators or for building ROADM networks.

The feature set of optical amplifiers includes remote management, configuration, and monitoring via an optical supervisory channel (OSC).

HTF can help you customized the EDFA(BA/PA/LA), Roman base on your requirement. Also HTF can help you design coherent 400G/200G/100G DWDM/OTN solution, DWDM Single lamda 100G/200G/400G Dual fiber/Single fiber Ultra long distance transmission.

Single Fiber Qsfp28 80km Lc Optical Module

  Now only one fiber can transmit 100G under distance 80km. 100G BIDI 80km. why use this optical module? (1) save one fiber rent. (2) easy t...