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Interface Masters TAHOE 8724, User Manual

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TAHOE 8724 User Guide 

Rev: 01 

8/10/2017 

Page 44 OF 45 

Interface Masters Technologies Inc. Confidential & Proprietary

 

 

 

9.3

 

 Module Part numbers

 

 

Module Part Number 

Description 

TM13233 

IO modules with eight ports of 1/10G SFP+ ports. 

(Optics not included) 

TM13238 

IO modules with two ports of 40G QSFP+ ports. 

(Optics not included) 

 

Table 9, IO Module Part Numbers 

 

 

 

 

9.4

 

 Accessories Part Numbers

 

 

Part Number 

Description 

TAC104 

Left & Right mounting Ears 

TAC103 

Sliding Guides 

Table 10, Accessories Part Numbers 

 

 

Summary of Contents for TAHOE 8724

Page 1: ...TAHOE 8724 User Guide Rev 01 8 10 2017 Page 1 OF 45 Interface Masters Technologies Inc Confidential Proprietary User Guide TAHOE 8724...

Page 2: ...8 2 1 8 UART 19 2 1 9 USB 3 0 20 2 1 10 MDIO SMI 21 2 1 11 MANAGEMENT PORT 22 2 2 CPLD 24 2 2 1 CPLD Overview 24 2 2 2 Power Sequencing Control 25 2 2 3 Access Interface 25 2 2 4 LED Control 26 2 2 5...

Page 3: ...POWER CONSUMPTION 36 6 COOLING FAN 37 7 ENCLOSURE 38 7 1 ENCLOSURE DIMENSION 38 7 2 MOUNTING EARS 38 7 3 SLIDING GUIDES 39 8 CUSTOMER SUPPORT 40 8 1 TECHNICAL ASSISTANCE 40 8 2 LIFE SUPPORT POLICY 40...

Page 4: ...16 Figure 10 I2C TWSI Block Diagram 18 Figure 11 UART Signals to RJ45 19 Figure 12 USB 3 0 Type A Block Diagram 20 Figure 13 MDIO SMI Block Diagram 21 Figure 14 Management Port 22 Figure 15 Console P...

Page 5: ...nologies Inc Confidential Proprietary TABLE OF Tables Table 1 Console Port Setting 23 Table 2 Boot Device Register 27 Table 3 Boot Device Bits 27 Table 4 Input Power Supply 36 Table 5 Output Power Sup...

Page 6: ...s based on Cavium 64 bit MIPS technology 1 1 Standard Features TAHOE 8724 is 1U appliance based on the Cavium CN78xx processor It provides the following external interfaces Four 1G 10G SFP ports One 1...

Page 7: ...SSD 1TB SPI flash An I2C TPM module for system authentication An I2C RTC module for time keeping An I2C EEPROM for parameter storage I2C temperature sensors for board and CPU junction A fan control m...

Page 8: ...TAHOE 8724 User Guide Rev 01 8 10 2017 Page 8 OF 45 Interface Masters Technologies Inc Confidential Proprietary Figure 1 TAHOE 8724 Block Diagram...

Page 9: ...TAHOE 8724 User Guide Rev 01 8 10 2017 Page 9 OF 45 Interface Masters Technologies Inc Confidential Proprietary 1 3 Physical Layout for System Figure 2 3D Image of TAHOE 8724 with Top view...

Page 10: ...E 8724 User Guide Rev 01 8 10 2017 Page 10 OF 45 Interface Masters Technologies Inc Confidential Proprietary Figure 3 3D Image of TAHOE 8724 with Front View Figure 4 3D Image of TAHOE 8724 with Rear V...

Page 11: ...TAHOE 8724 User Guide Rev 01 8 10 2017 Page 11 OF 45 Interface Masters Technologies Inc Confidential Proprietary Figure 5 3D Image of TAHOE 8724 with cover off...

Page 12: ...re MIPS processor is the main processor used in this system The CN78XX has Four 72 bit DRAM controllers and support DDR4 SPD It includes Eight groups of four SERDES configured for various Ethernet int...

Page 13: ...can support DDR4 up to 2133MHz data rate and up to 512GB of memory 128GB per controller All controllers obtain equal amount of attached DRAM Each controller has four ranks chips selects and the follow...

Page 14: ...ace Masters Technologies Inc Confidential Proprietary 2 1 3 SPI Serial Peripheral Interface SPI has separate clock and data lines along with a select line and chip select TAHOE 8724 have a SPI Interfa...

Page 15: ...and SD card It supports the transfer rates up to 52MHz and have one four and eight bit Data Bus The TAHOE 8724 has an eMMC flash memory and SD card connected to eMMC Interface eMMC flash is connected...

Page 16: ...oot Bus The CN78XX has general purpose bus that typically attaches to nonvolatile memory such as FLASH It includes eight chip selects and 32 address data lines The TAHOE 8724 has the CPLD connected on...

Page 17: ...0 x4 b QLM1 SGMII x1 c QLM2 RXAUI x2 d QLM3 RXAUI x2 e QLM4 XFI KR x4 or XLAUI x1 f QLM5 XFI KR x4 or XLAUI x1 g QLM6 XFI KR x4 or XLAUI x1 h QLM7 XFI KR x4 or XLAUI x1 a QLM0 is configured as PIC e...

Page 18: ...d fast mode 400kbps On the TAHOE8724 TWSI0 is connected to the DDR4 modules SPD and TWSI1 is connected to RTC temperature sensor and an EEPROM to store configuration data and MAC address TWSI0 I2C int...

Page 19: ...8 UART The CN78XX comes with two UART interfaces CN78XX transfers data to and receive characters from the UART core via 64 bit CSR processor The UART core transfers data either by polling or interrup...

Page 20: ...3 0 interface that supports Super Speed 5 0Gbps High Speed 480Mbps Full Speed 12Mbps and Low Speed 1 5Mbps transmission rates The super speed transaction initiated by the host making a request followe...

Page 21: ...link status during operation The CN78XX consist of four MDIO interfaces and supports both Clause 22 and 45 The MDIO interfaces utilized as management interface to Ethernet PHYs that are connected to...

Page 22: ...nagement Port The Management port is connected to SGMII interface of the control CPU board through a GE PHY VSC8221 The management port supports 10 100 1000 Base T protocols Figure 14 Management Port...

Page 23: ...d to UART interface of the control CPU board through an RS232 level translator Figure 15 Console Port The setting is as shown below Setting Parameter Baud Rate 115200 Data Bits 8 Parity None Stop Bit...

Page 24: ...he board The Internal Registers are accessed from the host CPU through a parallel bus and from a Debug port through the SPI protocol Please refer to TAHOE 8724 CPLD Specification document for detail d...

Page 25: ...et the voltage Turn On requirements for various IC During this process it checks the various Power Good indication signals before enabling the next voltages in the sequence 2 2 3 Access Interface The...

Page 26: ...D based on system status Figure 17 LED Control 2 2 4 1 Power LED 0 Off indicates Left Power Supply is off Solid Green indicates Left Power supply is Good 2 2 4 2 Power LED 1 Off indicates Right Power...

Page 27: ...The boot device could be selected by writing the appropriate values into BDSL_2 and BDSL_3 BOOT_CSR Boot Control and Status 7 6 5 4 3 2 1 0 CN_FAILSF res res res BDSL_3 BDSL_2 res res Table 2 Boot De...

Page 28: ...I to SFI PHY The CS4318 is a quad channel PHY that translates RXAUI to SFI and vice versa Below is a list of the major signals for the CS4318 Four x RXAUI Connected to the RXAUI lanes of the CN78XX QL...

Page 29: ...translates SGMII to 10 100 1000BASE T and vice versa This device is used for management port Below is a list of the major signals for the VSC8221 SGMII Connected to the SGMII lanes of the CN78XX QLM...

Page 30: ...e Gen3 Switch which is utilized to expand PCI e bus on CN78xx Figure 20 PCI e Gen3 Switch Diagram Below is a list of the major signals for the PEX8724 a PCI e x4 Root complex Connected to the PCI e l...

Page 31: ...ts two M 2 PCI e SSD Module The capacity for these modules ranges from 128GB to 1TB The PCI e M 2 SSD is connected with CN78XX QLM0 through PCI e 3 0 x4 interface 2 8 Serial Interface The CN78XX UART0...

Page 32: ...l Proprietary 3 I2C Peripherals Figure 21 I2C Peripherals Diagram 3 1 I2C Bus 0 Peripherals The CN78XX TWSI0 interface is the I2C master for bus 0 3 1 1 DDR4 SPD Each DDR4 module consist an EEPROM tha...

Page 33: ...e I2C ID is 1001 100x 3 2 3 MCP7940N Real Time Clock The MCP7940N is a battery backed I2C real time clock With having an external 32 768kHz crystal and a battery this device can keep track of time whi...

Page 34: ...d on customer request At the time of this writing there are two models of I O modules a TM1323 supports eight ports of 1 10G and b TM13238 supports two ports of 40G 4 1 TM13233 I O Module TM13233 I O...

Page 35: ...tial Proprietary 4 2 TM13238 I O Module TM13238 I O module supports two ports of 40G TM13238 I O Module interfaces with CN78XX with Eight XFI or Two XLAUI interface through the QLM 5 and 4 Lanes and a...

Page 36: ...ppable 550Watt power supplies with 12V output It provides hot swap and fail over capability Input Voltage VAC Max Input Current A 100 8 240 4 Table 4 Input Power Supply Output Voltage DC Max Output Cu...

Page 37: ...rietary 6 Cooling Fan TAHOE 8724 provide Four Dual field replaceable fans with speeded control and temperature control chip with four sensors The cooling fan cools the system depends on temperature of...

Page 38: ...Proprietary 7 Enclosure 7 1 Enclosure Dimension TAHOE 8724 is a 1U appliance with following dimensions Inches MM H 17 5 445 W 1 73 44 L 17 25 438 Table 6 Dimension of Enclosure 7 2 Mounting Ears TAHOE...

Page 39: ...de Rev 01 8 10 2017 Page 39 OF 45 Interface Masters Technologies Inc Confidential Proprietary 7 3 Sliding Guides TAHOE 8724 comes standard with two sliding guides for 19 inch rack Figure 26 Sliding Gu...

Page 40: ...not authorized for use as critical components in life support devices or systems without the express written approval of the CEO of Interface Masters Technologies Refer to the following for definitio...

Page 41: ...eplace products which prove to be defective in materials or workmanship provided they are returned to an Interface Masters Technologies authorized repair center Shipment to Interface Masters Technolog...

Page 42: ...onfidential Proprietary 9 Ordering Part Number 9 1 System ordering part number TAHOE 8724 CPU CPU DRAM 1st IO 2nd IO Power Speed Size Module Module Supply MHZ GB Type 1 AC 2 DC 1 TM13233 2 TM13238 1 1...

Page 43: ...on TAHOE 8724 322B11 TAHOE 8724 CPU CCN7890 CPU Speed 1800 DRAM size 32GB 1st IO module is blank 2nd IO module is TM13233 AC power supply TAHOE 8724 222B11 TAHOE 8724 CPU CCN7880 CPU Speed 1800 DRAM s...

Page 44: ...Part Number Description TM13233 IO modules with eight ports of 1 10G SFP ports Optics not included TM13238 IO modules with two ports of 40G QSFP ports Optics not included Table 9 IO Module Part Numbe...

Page 45: ...er Manufacturer Description 163 0007679 Finisar 1 10Gb SFP SR multi mode 850 nm optics 163 0007184 Finisar 1 10Gb SFP LR single mode 1310 nm optics 163 0007180 Finisar 40Gb QSFP SR4 multi mode850 nm o...

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