Introduction of 400G QSFP DD Products

12-09-2019

   With the exponential growth of data traffic demand caused by smartphones, multimedia applications, video streaming media and various connecting devices, the construction of high-capacity and ultra-large-scale data centers has been promoted, aiming at rapidly expanding and responding to such dynamic workloads. In order to meet this demand, most of the ultra-large data centers using 100Gb/s Ethernet link need to be converted to 200Gb/s or even 400Gb/s Ethernet link to achieve higher throughput. In order to meet the market demand, Beijing Zhaolian Technology has recently developed 400G QSFP DD products, as follows:


1, 400Gbps QSFP DD Passive DAC Cable


QSFP-DD (quad small form-factor pluggable double density) doubles the density of QSFP interconnects with an eight-lane electrical interface capable of 28 Gbps NRZ or 56 Gbps PAM-4 to achieve 200 or 400 Gbps aggregate per port. The QSFP-DD portfolio's backwards compatibility allows existing QSFP modules to be plugged into QSFP-DD ports. Our QSFP-DD cages feature a proprietary heat sink design, making them the only  solution to work in 15-18W applications at a low cost – providing superior thermal and signal integrity performance.

Introduction of 400G QSFP DD Products

Features:

•  Operating case temperature: 0~70C

•  Compliant with IEEE 802.3bj/IEEE 802.3cd 

•  Compliant with QSFP DD MSA

•  RoHS compliant


Applications:

•  Servers

•  Switches

•  Routers

•  Data centers

•  High performance computing


2, 400G QSFP-DD SR8 PAM4 100m Optical Transceiver


   400G QSFP-DD SR8 PAM4 100m optical transceiver is designed for 2x200GBASE-SR4 Ethernet links reach up to 70m (OM3) or 100m (OM4) over Multi-Mode Fiber (MMF) with FEC.This high-performance module integrates 8 data lanes in each direction with 8x26.5625GB. Each lane can operate at a data rate up to 53.125Gbps using a nominal wavelength of 850nm. The electrical interface uses a 76-contact edge type connector.The optical interface uses a 24-fiber MTP/MPO connector.Compliant with the Common Management Interface Specification (CMIS) for QSFP-DD modules, the 400G QSFP-DD SR8 transceiver incorporates C-Flink's proven circuit and VCSEL technology to provide reliable long life, high performance and consistent service.


Features:

▪ Hot-pluggable QSFP-DD form factor

▪ 8 channels full-duplex transceiver module

▪ 8x 850nm VCSEL array and PIN photo-detector array

▪ Internal CDR circuits on both receiver and transmitter channels

▪ Compliant with QSFP-DD MSA, IEEE 802.3cd 200GBASE-SR4 and CMIS

▪ Data rate up to 425Gbps (8x PAM4 53Gbps)

▪ Reach up to 70m (OM3) or 100m (OM4) over MMF with FEC

▪ Power consumption<10W

▪ MPO24 receptacle

▪ Built-in digital diagnostic functions

▪ Operating case temperature range from 0 °C to 70 °C

▪ 3.3V power supply voltage

▪ RoHS compliant (lead free)


Applications

▪ 2x 200GBASE-SR4 Ethernet

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