DAC high speed cable can be divided into 10G SFP+ DAC high speed cable, 25G SFP28 DAC high speed cable, 40G QSFP+ DAC high speed cable and 100G QSFP28 DAC high speed cable according to the different transmission rate, mainly used for data center short distance direct connection. At the same time, DAC high-speed cable in order to meet the needs of user network upgrade, 40G QSFP+ DAC high-speed cable and 100G QSFP28 DAC high-speed cable with branch cable packaging form, can be used in 40g-4 *10G, 100g-4 *25G network upgrade application scenarios.
10G SFP+ DAC high speed cable
The 10G SFP+ DAC high-speed cable is widely used for interconnect between 10G fiber optic network CARDS, interconnect between 10G ToR switches and servers, and stack of 10G Ethernet switches.
The 10G SFP+ DAC high-speed cable is based on the multi-source protocol of the pluggable small package optical transceiver module, and adopts the copper axis cable with SFP+ connector at both ends, which can provide a ten-gigabit Ethernet connection between the device (such as server, fiber network card, switch, etc.) and the SFP+ interface. In the past, RJ45 port or SFP port was used on the main board of the server. Now, with the development of big data and high bandwidth, 10G has become popular on the server.
25G SFP28 DAC high speed cable
The 25G SFP28 DAC high-speed cable is widely used in interconnection between 25G devices (such as servers, 25G fiber optic network CARDS, etc.) and in supercomputer scenarios.
The 25G SFP28 DAC high-speed cable follows the IEEE P802.3by Ethernet standard, which can provide users with 25G high-bandwidth data interconnection capability. Due to the late arrival of 25G Ethernet, the application of its related optical communication products has not been popularized. However, with the advent of 5G network, the demand for 25G for 5G pre-shipments will increase significantly.
40G QSFP+ DAC high speed cable
40G QSFP+ DAC high-speed cable as a direct connection between 40G switches, with a compact and independent 4-channel pluggable interface, can be downward compatible, suitable for 40G equipment stack and cascade; At the same time, in order to meet users’ needs for more connections, 40G QSFP+ to 4*SFP+ DAC high-speed cable and 40G QSFP+ to 4*XFP DAC high-speed cable came into being, realizing network upgrade between 10G and 40G devices.
As the server port rate is upgraded from 1Gbps to 10Gbps, the uplink from the access layer to the core layer is upgraded to 40Gbps/100Gbps in order to realize the basis of non-blocking full-line rate of the network. Since the cost of 40G fiber link is cheaper than 100G, most medium-sized enterprises choose 40G when building data centers.
100G QSFP28 DAC high speed cable
100G QSFP28 DAC high-speed cable has two interface types: QSFP28 to QSFP28 and QSFP28 to 4*SFP28, of which 100G QSFP28 to 4*QSFP28 DAC high-speed cable is suitable for stacking, cascade and direct connection between 100G devices over short distance, such as 100G switch, etc. QSFP28 to 4*SFP28 DAC high speed cable is suitable for interconnection between 100G and 25G equipment.
With the rapid growth of Internet data usage, video on demand (VOD), sharing the emergence of new type high bandwidth applications such as service, in order to meet the demand of higher bandwidth and greater network capacity, and global large data centers are on a 100G server link development, at this point, switch between stack from the earlier 10 GBPS upgraded to 100 GBPS.
DAC high-speed cable connection scheme within the frame
DAC high speed cables are generally used for short distance direct connection between data center racks, with length of 1~7 meters being the best (up to 12 meters).
If your cabling scenario is also short-range, DAC high-speed cables are a good choice for cost reasons. HTF can provide 10G/25G/40G/100G DAC high-speed cable to help users connect devices more quickly and conveniently. For more details, please visit the official website of HTF or contact info@htfuture.com.
