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MXS924 Users Guide 

 Dolphin Interconnect Solutions 

 

 

 

 

 

 Page 7 

PCI Express Gen4 Switch 

 MXS924 

The MXS924 is a 24 port PCI Express Gen4 x4 switch available from Dolphin providing an easy to use, multi-functional 
solution. 

MXS924 high level specification 

 

PCI Express Gen1 2.5 GT/s / Gen2 5.0 GT/s / Gen3 8.0 GT/s / Gen4 16 GT/s per lane signaling 

 4 lanes 

 up to 64 

GT/s total signaling per port. 

 

Compliant with PCI Express Gen1, Gen2, Gen3 and Gen4 computers and IO systems, auto detection. Each port 
operates independently at Gen1, Gen2, Gen3 or Gen4 speeds 

 

Lane width auto-training to connected cable width (x16, x8, x4, x2, x1) 

 

19-Inch 1U rack mountable chassis. 

 

Physical dimensions 440mm x 357mm x 45mm 

(17” x 14” x 1.75”) 

(WxDxH). 

 

Supports NTB connections to other hosts and transparent connections to IO systems as a transparent P2P device 

 

Based on Microsemi PFX Gen4 Switchtec chipset 

 

PCI Express Base Specification Rev 4.0 

 

PCI Express External Cabling Specification, Rev. 3.0 / 4.0 

 

Twenty-four PCI Express Gen4 x4 SFF-8644 Cable connection 

o

 

Durability max total 250 mating cycles 

 

Support for hot plugging of the PCI Express cable (NTB mode, SISCI and SuperSockets) 

 

Built in management processor for monitoring and firmware upgrade and management 

o

 

RJ45 Ethernet (1Gb/100Mb Ethernet) connector (optional use) 

o

 

USB port for firmware upgrade 

o

 

SD-card boot medium 

 

Operational status and alert LEDs 

 

No PCI Express power domain isolation 

 

4 Redundant fans 

 

Operating systems supported: 

o

 

NTB mode: Linux, Windows, RTX and VxWorks. 

o

 

Transparent mode: All (No drivers required) 

 

Power supply input 110 - 240VAC 50/60 Hz 

 2.8A 

 

Power Consumption: Max 80 Watt (including active optical transceivers) 

 

Operating temperature 0°C to 40°C, Relative Humidity 5% - 95% non-condensing 

 

Storage temperature -25°C to 70°C, Relative Humidity 10% - 90% non-condensing 

 

Weight: 4.6 Kilo (10 lbs.) 

 

RoHS compliant 

 

Pending tests for FCC & CE Mark 

 

 

 

 

 

Picture 1: MXS924 front view

 

Содержание MXS924

Страница 1: ...Dolphin PCI Express MXS924 Switch MXS924 24 ports PCI Express Gen4 Switch Users Guide Version 0 9d PRELIMINARY Date 6th June 2021...

Страница 2: ...MXS924 Users Guide Dolphin Interconnect Solutions Page 1...

Страница 3: ...node PCIe xx Gen4 NTB Cluster 8 10 node PCIe x16 Gen4 NTB Cluster 9 20 node PCIe x8 Gen4 NTB Cluster 9 Larger NTB Cluster configurations 9 Transparent PCIe IO expansion Multiple expansion chassis con...

Страница 4: ...Software installation MXH930 MXH830 21 Support 21 Compliance 22 EMC compliance Pending 22 Safety compliance Pending 22 RoHS compliance 22 Flammability standard 22 WEEE Notice 22 Limited warranty 23 W...

Страница 5: ...are Dolphins software stack for PCIe clustering and IO www dolphinics com software for more information Lane One PCI Express Lane contains a differential pair for transmission and a differential pair...

Страница 6: ...the MXS924 Management Firmware Release note for details Software support All Dolphin PXH and MXH PCI Express NTB adapter cards support the complete eXpressWare suite of Dolphin PCI Express Software in...

Страница 7: ...ilities MXS924 AB Initial product version MXS924 BB Manufacturing improvements no functional changes vs rev AB Management Firmware Version The MXS924 is managed by built in processor and contains nonv...

Страница 8: ...itchtec chipset PCI Express Base Specification Rev 4 0 PCI Express External Cabling Specification Rev 3 0 4 0 Twenty four PCI Express Gen4 x4 SFF 8644 Cable connection o Durability max total 250 matin...

Страница 9: ...ngle cluster 6 node PCIe x16 Gen4 NTB Cluster Each node has a Dolphin Express MXH930 MXH830 PXH830 or PXH820 adapter Up to six systems can be connected to the Dolphin MXS924 switch using the default f...

Страница 10: ...e PCIe x8 Gen4 NTB Cluster Each node has a Dolphin Express MXH930 MXH830 PXH830 or PXH820 adapter Up to twenty systems can be connected to the Dolphin MXS924 switch All nodes connect directly to a swi...

Страница 11: ...nding on the required scale out and performance requirements Please note that the MXS924 Switch shipping default is NTB x16 To enable the switch to be used for standard transparent IO Expansion please...

Страница 12: ...e x16 upstream port P1 P4 Ten x8 downstream ports P5 P6 P7 P8 P9 P10 P11 P12 P13 P14 P15 P16 P17 P18 P19 P20 P21 P22 P23 24 Transparent x4 One x16 upstream port P1 P4 Twenty x4 downstream ports P5 P6...

Страница 13: ...ation of the switch is controlled by the onboard firmware loaded from onboard FLASH memory and will be enabled immediately after power is applied to the switch The built in management processor has no...

Страница 14: ...orts has two bi color LEDs status visible through the cabinet The LEDs are located just above the connector for each port The Link status LED provides information on the current PCIe link status The P...

Страница 15: ...have a valid link the port status LED will in both cases turn yellow Link status LEDs Each port has also a separate link status LED It reflects the cable and link status it will remain dark if no val...

Страница 16: ...ustettuun pistorasiaan Installing the Switch in a rack The MXS924 shipping box includes rack mount ears that can be used to fix the MXS924 into a 19 inch standard rack The rack mount ears can be mount...

Страница 17: ...ble MXS924 operating modes The Dolphin PCI Express MXS924 switch has two main operational modes Transparent and Non Transparent Bridge NTB mode The switch operating mode is controlled by the MXS924 sw...

Страница 18: ...ng into separate switch domains enabling a single switch to be used as two or more independent logical switch domains The switch hardware prevents unintended data communication and reset configuration...

Страница 19: ...sors Please note that there are 4 fans connected to the switch The four should be close to 8000 RPM when the switch operates at normal room temperatures New switches are delivered with the standard NT...

Страница 20: ...nfiguration You can then press Change configuration where you will be met with a warning message Changing the config will reset the PCIe switch halting all traffic and should not be done in a producti...

Страница 21: ...up the list of uploaded configurations by deleting the entire Custom group if present This will only erase the available configurations on the switch and will not affect the PCIe switch and its active...

Страница 22: ...be found at http www dolphinics com px Software installation MXH930 MXH830 No special software is required for the switch but Dolphin Express MXH adapters need to install eXpressWare 5 18 0 or newer...

Страница 23: ...h will be tested and found to comply with the following safety standards EN 62368 1 2014 A11 2017 A CB test certificate will be available upon request RoHS compliance The Dolphin MXS924 is RoHS compli...

Страница 24: ...quakes Damage caused by any power source out of range Normal wear and tear Attempts to open repair modify or upgrade the product by personnel or agents not authorized by Dolphin Products for which the...

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