$endgroup$ – Lundin. 4. A multi-port SERDES transceiver includes multiple parallel ports and serial ports, and includes the flexibility to connect any one of the parallel ports to another parallel port or to a serial port, or both. Reload to refresh your session. Depending on the packet length, the protocol. PCS B. I/O Primitive. XGMII Conversion, XGMII to GMII conversion, and arbi-trator module. XGMII – 10 Gb/s Medium independent interface. Software is only used for configuring the system, that means configuring the sensor and the GigE Vision IP. You can dynamically switch the PHY. The plurality of cross link multiplexers has a destination port coThe present application relates to a system and method for enabling lossless inter-packet gaps for lossy protocols. The application provides a message processing method and device, electronic equipment and a storage medium, and relates to the technical field of communication. For example, the 74 pins can transmit 36 data signals and receive 36 data. In the transmit direction, the 10GBASE-X PCS accepts packets from the PCS client on the XGMII. A communication device, comprising: at least one data port configured to facilitate data transmission or receipt via a communication network in compliance with a communication protocol; and a lossless interpacket gap (IPG) circuitry configured to detect an IPG interval within a data stream and swap an idle column in the IPG interval with a. SoCKit/ Cyclone V FPGA A. porting multiple different data protocols, timing protocols, electrical Specifications, and input-output functions. The XGMII design in the 10-Gig MAC is available from CORE Generator. devices (L- and H-tiles) implements the Ethernet protocol as defined in the IEEE 802. (at least, and maybe others) is not > > > a part of XGMII protocol, I. PCI Express (PCIe)—Gen1, Gen2, and Gen3 4. 265625 MHz if the 10GBASE-R register mode is enabled. We would like to show you a description here but the site won’t allow us. What is not symmetric is that the XGXS/XAUI/XGXS is not intended to sit "in the middle" of the XGMII so the notion of XAUI as a XGMII "extender" is not altogether appropriate for those individuals that can only envision an extender as something that goes in the middle. • /E/-Conveys errors(RD,Invalid code groups) to XGMII. The optional SONET OC-192 data rate control in. IEEE 802. 25 Gbps) implementations on Stratix IV (GX and GT) FPGAs. On-chip FIFO 4. The ports includAn automatic polarity swap is implemented in a communications system. > * The XGXS /A/ character (at least, and maybe others) is not > a part of XGMII protocol, I believe. 8. Otherwise you should favor the protocol that will work with other devices. srTCM and trTCM color marking and. Transceiver Status and Transceiver Clock Status Signals 6. A line of code in the latest version of AMDGPU Linux drivers reveals that "Vega 20" will support xGMI. Basavanthrao_resume_vlsi. Broadcom 56980-DS111 2 BCM56980 Data Sheet 12. • RS Initiates RF Status Messages In Response to Reception of LF • Intermediate Link Elements Initiate LF and Forward Status Messages • Status Message Uses Signal Ordered-Set 10GigE Vision pipeline SW Architecture. Includes MAC modules for gigabit and 10G/25G, a 10G/25G PCS/PMA PHY module, and. TX FIFO E. 3 media access control (MAC) and reconciliation sublayer (RS). The name is a concatenation of the Roman numeral X, meaning ten, and the initials of. > * The XGXS /A/ character (at least, and maybe others) is not > a part of XGMII protocol, I believe. , -- '07' signifying idle channel, 'fb' signifying start of a packet and 'fd' -- signifying end of packet for the physical channel to distinguish between -- real data and idle channel that results in high-impedance state in physical -- layer link. A multi-port SERDES transceiver includes multiple parallel and serial ports, and the flexibility to connect any one of the parallel or serial ports to another parallel or serial port. 3125 GHz Serial Cisco USXGMII 10 Gbit/s 1 Lane 4 10. PCS Registers 5. 2. 18. See the 5. In such a configuration, it is possible to cross-connect the differential data lines or signals at the interface, which will cause. XGMII Conversion, XGMII to GMII conversion, and arbi-trator module. High status signifies that the byte is a control character and low status indicates that data is carried out by the byte. Universal SGMII and Univerisal XGMII MAC-PHY Interface Build next generation PHY and MACs with the ability to perform first auto-neg without PLL and SERDES parameters for 1G, 2. 15625/10. Avalon ST to Avalon MM 1. The Substrate layout of the transceiver is conA multi-port SERDES transceiver includes multiple parallel and serial ports, and the flexibility to connect any one of the parallel or serial ports to another parallel or serial port. The new protocol was based on the previous algorithm based on twisted-pair. 1, 2009, which is a divisional of U. An illustrative method is disclosed to include at least one data port and lossless IPG circuitry that operates on the transmit-side and/or receive-side of the data transmission system. This is probably 1000BASE-X. 4. Installing and Licensing Intel® FPGA IP Cores 2. 3ba standard. 3ae で規定された。 72本の配線からなり、156. System battery specifications. 3 Clause 46 ratified specification enabling a variety of PHY and MAC chips from different vendors to talk the exact same protocol. A multi-port SERDES transceiver includes multiple parallel and serial ports, and the flexibility to connect any one of the parallel or serial ports to another parallel or serial port. [1] In computer networking, an Ethernet frame is a data link layer protocol data unit and uses the underlying Ethernet physical layer transport mechanisms. But you are proposing > leaving it in the data stream, encoding it, and shipping it > out thru the PMD. Table 1. In the FPGA world where the MAC and PHY are implemented in the same chip technically this interface layer is not required, as. The XGMII has an optional physical instantiation. The Universal Serial Media Independent Interface for carrying single network port over a single SERDES (USXGMII) is specified in this document to meet the following. 1. 29, 2002, both of which are incorporated herein by reference. ! If connected to WAN PMD, inserts/deletes idles due to rate difference between MAC and PMD! Determines when link available, therefore informing management entity via MDIO when PHY is ready to be used. Without having a license, customers can generate simulation models for this core. Rockchip_RK3568_Datasheet_V1. Apr 2, 2020 at 10:13. The PHY side of the MAC implements the XLGMII or CGMII protocol as defined by the IEEE 802. Subscribe. > > XGXS, XAUI and XGMII are supposed to be PMD independent. 3 2005 Standard. But you are proposing > leaving it in the data stream, encoding it, and shipping it > out thru the PMD. The 10GBASE-R PHY uses the XGMII interface to connect to the IEEE802. 3125 Gbps serial line rate with 64B/66B encodingA multi-port SERDES transceiver includes multiple parallel ports and serial ports, and includes the flexibility to connect any one of the parallel ports to another parallel port or to a serial port, or both. The standard XLGMII or CGMII implementation. As a result the above text only applies to XGMII 10 Gb/s operation and IEEE 802. 4. In one example, optional 10 GB/s extender sublayers (XGXS) may be implemented to convert the short run XGMII protocol to a long run 10 GB/s attachment unit interface (XAUI) protocol and back again. SoCKit/ Cyclone V FPGA A. 0 - January 2010) Agenda IEEE 802. A first input of data including a first sequence-ordered set in compliance with a first interface protocol is received from a medium access control (MAC) layer. The first input of data is encoded into four outputs of encoded data. A communication device, comprising: at least one data port configured to facilitate data transmission or receipt via a communication network in compliance with a communication protocol; and a lossless interpacket gap (IPG) circuitry configured to detect an IPG interval within a data stream and swap an idle column in the IPG interval with a. Several Physical Coding Sublayers known as 10GBASE-X, 10GBASE-R, and10GBASE-W are specified, as well as significant additional supporting material for a 10 GigabitMedia Independent Interface (XGMII), a 10 Gigabit Attachment. The XGMII Clocking Scheme in 10GBASE-R. Tutorial 6. But it can be configured to use USXGMII for all speeds. 7,035,228 which claims the benefit of U. Tutorial 6. 201. 3z Task Force 7 of 12 11-November-1996 microsystems Clocking for Serializer-Deserializer Compatibility Implementation I Timing: PLL in SERDES, MAC without PLL Cycle Time = Tcid + Tco + Tbrd + Tis + Tcsk - (Tb-Ta) Attachment Unit Interface (XAUI) may optionally be used to extend the operational distance of the XGMII with reduced pin count (see Clause47). It achieves 10Gbps line-rate and has two interfaces with two different clock domains. 3 XGMII stream). Please refer to "23. 3. Interface Signals. 10 Gigabit Ethernet Task Force XGMII Update La Jolla, CA 11-July-2000 Howard Frazier - Cisco Systems Goals and Assumptions Allow multiple PHY variations Provide a. Both sides of the point-to-point connection must be configured for the same protocol. Microsemi's latest generation 10GE PHYs feature VeriTime™, Microsemi's patent pending timing. Interlaken 4. 2. USXGMII. • The absence of fault messages for 128 columns resets link_fault=OK. 2 Physical Medium Attachment (PMA) sublayerA reconciliation layer may communicate with a subsequent layer (or device) via a 10 GB/s medium independent interface (XGMII) protocol. What is not symmetric is that the XGXS/XAUI/XGXS is not intended to sit "in the middle" of the XGMII so the notion of XAUI as a XGMII "extender" is not altogether appropriate for those individuals that can only envision an extender as something that goes in the middle. – Both Are 8b/10b, 64b/66B, XGMII, XSBI, SUPI, WIS, etc. However, packet processors’ Ethernet interfaces are a generation behind the latest Ethernet switch devices. A multi-port Serdes transceiver includes multiple parallel ports and serial ports, and includes the flexibility to connect any one of the parallel ports to another parallel port or to a serial port, oEmbodiments described herein provide a method for providing a compatible backplane operation mechanism for 2. As a more specific but non-limiting example, the first Rx MAC 612a may utilize the XGMII protocol to communicate with the de-duplication circuit 620, while the second Rx MAC 612b may utilize the 10M/100M/1G communication protocol or some other communication protocol different from the first Rx MAC 612 a. The PHY side of the MAC implements the XLGMII or CGMII protocol as defined by the IEEE 802. 2. 5GPII Implementation as shown does not require much incremental logic Does not preclude implementations that directly map XGMII into PCS Diagram above for IEEE functional specification purposes only 1000BASE-X PHY 2. 15. Or to put it in other words, how are XFI, SFI, and KR related in terms of protocols? For example, given that the electrical specs do match, can I directly connect the XFI interface e. Alternately. 3 designed for connecting full duplex 10 Gigabit Ethernet (10GbE) ports to each other and to other electronic devices on a printed circuit board (PCB). not-in-the-FPGA) PHY, and the external PHY takes care of the FEC, there is no need to perform this FEC function inside the FPGA. 10/694,730, filed Oct. 4. C. DUAL XAUI to SFP+ HSMC BCM 7827 II. This module converts XGMII interface of XGMAC core. 23 incorporation thereof in its product, protocols or testing procedures. By default, the PHY switches protocol during runtime, depending on the Ethernet speed (e. Since there is no ARP protocol content (binding IP address and MAC address of the develop board) in this experiment, it needs to be bound manually through the DOS command window. 12. What is not symmetric is that the XGXS/XAUI/XGXS is not intended to sit "in the middle" of the XGMII so the notion of XAUI as a XGMII "extender" is not altogether appropriate for those individuals that can only envision an extender as something that goes in the middle. 6. This table shows the mapping of this non‑standard. 1G/10GbE GMII PCS Registers 5. 4. 3 Clause 37 Auto-Negotiation. The ports include programmable pads that are capable of supporting multiple different data protocols, timing protocols, electrical specifications, and input-output functions. Provisional Application No. Reconciliation Sublayer: This sublayer provides a mapping between the signals available at XGMII sublayer and MAC layer. Checksum calculation is optional for the UDP/IPv4 protocol. PCS B. • /T/-Maps to XGMII terminate control character. This solution is designed to the IEEE 802. TX Timing Diagrams. If not, it shouldn't be documented this way in the standard. > > /K/ or /R/ are neither part of RS protocol nor transported across the XGMII. 29, 2003, now U. g. 2. Contributions Appendix. Each XGMII port 102 can include 74 data pins, for example, operating at 1/10 the data rate of the serial ports 104. 8. Multiple PHY devices can share the same management interface, and each of them needs to be assigned a unique PHY address. Note: 10GBASE-R is the single-channel protocol that. Storage controller specifications. Furthermore, the multi-port transceiver chip can connect any one of serial ports to another serial port or to one of the parallel ports. 5G/5G/10G Multi-rate Ethernet PHY Intel® FPGA IP core implements USXGMII PCS based on Cisco specification. See moreThe XGMII interface, specified by IEEE 802. See the 5. It's exactly the same as the interface to a 10GBASE-R optical module. XGXS (XGMII Extender sublayer) and XAUI The purpose of the XGMII Extender is to extend the operational distance of the XGMII and to reduce the number of interface signals. 19. conversion between XGMII and 2. It's exactly the same as the interface to a 10GBASE-R optical module. Transceiver Configurations 4. Currently I'm using a LS1046ARDB board and trying to use the SFP+ Port in SGMII protocol instead of XFI. 3x Flow control functionality for support of Pause control frames. In the transmit direction, the 10GBASE-X PCS accepts packets from the PCS client on the XGMII. 2. In the transmit direction, the 10GBASE-X PCS accepts packets from the PCS client on the XGMII. The Link layer implements a packet-based protocol to append information to raw data bytes (Figure 4. Neutral RD,hence current RD not affected by /R/’s insertion or deletion. application Ser. 23877. Soft-clock data recovery (CDR) mode. 265625 MHz, and output 32-bit auto-negotiation data in a format shown in the following table at 312. /K/ or /R/ are neither part of RS protocol nor transported across the XGMII. (XGMII to XAUI). 1. The > Reconciliation Sublayer only generates /I/'s. A communication device, method, and data transmission system are provided. Collection of Ethernet-related components for gigabit, 10G, and 25G packet processing (8 bit and 64 bit datapaths). Packets / Bytes 2. 3に規定さ. /K/ or /R/ are neither part of RS protocol nor transported across the XGMII. A cross link multiplexer bus comprising a plurality of cross link multiplexers and a plurality of interconnects. RGMII, XGMII, SGMII, or USXGMII. As such, CoaXPress-over-Fib-• XGXS/XAUI extension (to implement a 10 Gbps XGMII Ethernet PHY interface) • Native SerDes interface facilitates implementation of Serial RapidIO (SRIO) in FPGA fabric or an SGMII interface to a soft Ethernet MACBut you are proposing > > leaving it in the data stream, encoding it, and shipping it > > out thru the PMD. The ports includA cross link multiplexer bus comprising a plurality of cross link multiplexers and a plurality of interconnects. 64-bit XGMII for 10G (MGBASE-T). 1. Supported media access control (MAC) interfaces are MII, RGMII and SGMII. 10GBASE-R and 10GBASE-KR 4. Hi @studded_seance (Member) ,. The ports includ{"payload":{"allShortcutsEnabled":false,"fileTree":{"tb":{"items":[{"name":"arp","path":"tb/arp","contentType":"directory"},{"name":"arp_cache","path":"tb/arp_cache. > > XGXS, XAUI and XGMII are supposed to be PMD independent. or deleted depending on the XGMII idle inserted or deleted. 5G/5G/10G Multi-rate Ethernet PHY Intel® FPGA IP core for Intel® Stratix® 10 devices (L- and H-tiles) implements the Ethernet protocol as defined in the IEEE 802. This module receives 32-bit XGMII with data valid from RX 64/32 width adaptor at 322. An illustrative method is disclosed to include at least one data port and lossless IPG circuitry operating on the transmit side and/or receive side of the data transmission system. • /E/-Conveys errors(RD,Invalid code groups) to XGMII. Intel® Quartus® Prime Design Suite 19. No. Optional 802. 802. 25 MHz Parallel IEEE standard XFI (“Ziffie”) 10 Gbit/s 1 Lane 4 10. In other words, a data unit on an Ethernet link transports an Ethernet frame as its payload. The F-tile 1G/2. The MAC interface protocol for each port within QSGMII can be either 1000BASE-X or SGMII, if the QSGMII MAC that the VSC8514-11 is connecting to supports this functionality. Generic IOD Interface Implementation. You must extend 2 bytes at the end of the UDP payload of the PTP packet. S. СвернутьGrantee Broadcom Corporation Representative Volker Armin et al Jehle Application number EP03779391B1 Kind B1 Document number 1558987 Shortcuts →Claims2. Code replication/removal of lower rates onto the. 5G/5G/10G Multirate Ethernet PHY Intel® FPGA IP core implements USXGMII PCS based on Cisco specification. 265625 Mhz when select PMA bus width of 32 bits (in picture, it says a number for 40 bit wide bus), and tx_coreclkin is 156. Due to the continuously signaled nature of the underlying PMA, and the encoding performed by the PCS, the 10GBASE-X PCS maps XGMII data and control characters into a code-group stream. 29, 2002, the contents of all of which. According to an aspect, a transceiver is provided, comprising: multiple parallel ports; multiple serial ports; and a bus connecting said multiple parallel ports and. The XGMII consists of 32-bit data bus and 4-bit control bus operating at 312. 10. a new Auto-Negotiation protocol was defined by IEEE 802. According to IEEE802. 2. Figure 1: Protocol Layer1 Verification environment. Hi , I am working on a project that requires the implementation of XGMII to communicate two FPGAs. Table 1. The peripherals use for the XGMII would be regular…the protocol -- fills the xgmii tx/rx channels around user packet with xgmii encoding, e. 8. I know there is a ip called GMII to RGMII yet my fpga part is xc7k160tfgg2 so it doesn't supports this IP. An illustrative method is disclosed to include at least one data port configured to enable data transmission in compliance with a communication protocol. 5G, 5G, or 10GE data rates over a 10. 6. 2. LAN の主流であるイーサネットで初めて WAN での利用を前提とした技術を含む [1] 。. The generic nature of this interface facilitates mapping the CoaXPress signaling into the PCS/PMA. 4 11/18 Microsemi Headquarters One Enterprise, Aliso Viejo, CA 92656 USA Within the USA: +1 (800) 713-4113 Outside the USA: +1 (949) 380-6100Low Latency Ethernet 10G MAC User Guide. USGMII and USXGMII Summary USGMII Specification The Universal Serial Gigabit Media Independent Interface (USGMII) is an. S. 954432] Bridge firewalling registered [ 2. Custom protocol. Intel® Quartus® Prime Design Suite 19. 3125 Gb/s link. S. BACKGROUND OF. The MAC core along with FIFO-core and SPI4/AXI-DMA enginesThe purpose of the QSGMII, is as you write in your own question to substitute 4 SGMII interfaces. The latest Gigabit Ethernet switch devices with high port counts of 16-24 ports per chip have migrated towards SGMIIDocument Number ENG-46158 Revision Revision 1. Tutorial 6. /K/ or /R/ are neither part of RS protocol nor transported across the XGMII. 7. 3-2008, defines the 32-bit data and 4-bit wide control character. g. The amount (i. The XGMII interface, specified by IEEE 802. The XAUI may be used in. 2/29/2016 Andra Radu - AMIQ Consulting Ionuț Ciocîrlan -AMIQ Consulting 27. Several Physical Coding Sublayers known as 10GBASE-X, 10GBASE-R, and10GBASE-W are specified, as well as significant additional supporting material for a 10 GigabitMedia Independent Interface (XGMII), a 10 Gigabit Attachment. Last updated for Quartus Prime Design Suite: 15. Files Generated for Intel IP Cores (Legacy Parameter Editor) 2. The F-tile 1G/2. The MAC interface protocol for each port within QSGMII can be either 1000BASE-X or SGMII, if the QSGMII MAC that the VSC8514-11 is connecting to supports this functionality. XGXS (XGMII Extender sublayer) and XAUI The purpose of the XGMII Extender is to extend the operational distance of the XGMII and to reduce the number of interface signals. EPCS Interface for more information. As Linux is running on the ARM system, a specific IMX547 driver is used. The#network#side#interface#of#the#10GbE#MAC#implements#the#SDRversion#of#the#XGMII protocol. But you are proposing > leaving it in the data stream, encoding it, and shipping it > out thru the PMD. PTP packet within UDP over IPv4 over Ethernet Frame. The network protocol. Xenie module is a HW platform equipped with. 6. PDF. The goal of the firmware is to apply multiple SiTCP cores as Gigabit protocol stack in the pixel. 25 MHz Parallel IEEE standard XFI (“Ziffie”) 10 Gbit/s 1 Lane 4 10. 5Gb/s, 5Gb/s, and 10Gb/s PHYs. 3-2008, defines the 32-bit data and 4-bit wide control character. Neutral RD,hence current RD not affected by /R/’s insertion or deletion. If is test the pcs/pma with 'pcs_loopback = 1' , everything works fine. PCS service interface is the XGMII defined in Clause 46. 1G/10GbE GMII PCS Registers 5. 60/421,780, filed on Oct. (associated with MAC pacing). 3 Clause 73. 949962] NET: Registered protocol family 15 [ 2. This interface operates at 322. Each XGMII port 102 can includes 72 pins, for example, operating at 1/10 the data rate of the serial ports 104. ファイバーチャネル・オーバー・イーサネット. 3-2008, defines the 32-bit data and 4-bit wide control character. Buy VSC7281XVT-03 VITESSE , Learn more about VSC7281XVT-03 IC TXRX SGL XGMII/DL XAUI 324BGA, View the manufacturer, and stock, and datasheet pdf for the VSC7281XVT-03 at Jotrin Electronics. Serial Data Interface 5. If not, it shouldn't be documented this way in the standard. 1Q VLAN Support v1. XAUI. I/O Features and Implementation. 939357] sit: IPv6, IPv4 and MPLS over IPv4 tunneling driver [ 2. 5. Figure 33. For example, the 74 pins can transmit 36 data signals and receive 36 data. 125 GHz Serial IEEE standard USGMII 8x ≤1 Gbit/s 1 Lane 4 10. 5 Gbps, 1 Gbps, 100 Mbps, 10 Mbps. V) Conclusion I) Introduction: The PCS and the PMA fit into the ISO/OSI stack model as shown in Figure 1 below: Figure 1: PCS and PMA relationship to the ISO/OSI model The PCS and the PMA are both contained within the physical layer of the OSI reference model. 12/416,641, filed Apr. Packets / Bytes 2. Embodiments described herein provide a method for providing a compatible backplane operation mechanism for 2. 1. 5 Mbps)で動作する主信号 TXD/RXD 各32本と、制御フロー RXC/TXC 各4本が送受. Depending on the configuration, the XGMII consists of 32- or 64-bit data bus and 4- or 8-bit control bus operating at 312. That is, XGMII in and XGMII out. What i want to do is i want to feed the PCS with xgmii_tx signals, connect the txn/txp to rxn/rxp respectively and monitor the xgmii_rx signals whether they are the same as xgmii_tx. 4. Clock Signals; 6. This optical. XAUI addresses several physical limitations of the XGMII. But you are proposing > leaving it in the data stream, encoding it, and shipping it > out thru the PMD. 945496] NET: Registered protocol family 17 [ 2. High-level overview. 4. This module receives 32-bit XGMII with data valid from RX 64/32 width adaptor at 322. XFI来源于XFP光模块标准的一部分，指的是连接ASIC芯片和XFP光模块的电气接口。. The core is designed to work with the latest Virtex™ 6, Virtex 5 and Virtex 4 and Virtex II Pro and Spartan®-6 platform FPGAs and integrate seamlessly into the design flow. Memory specifications. S. 2 interfaces, ten 1-Gigabit Ethernet ports and one 10-Gigabit Ethernet port with integrated MACs Software compatible with NP-2 and NP-1c Integrated Traffic Managers Traffic management for traffic on ingress and egress paths Work conserving and non-work conserving schedulersAMDGPU XGMI Support. FAST MAC D. Support to extend the IEEE 802. TX FIFO E. The table below shows the mapping of the Ethernet port names appearing on the front panel of the LS1043ARDB chassis with the port names in U-Boot, tinyDistro, and NXP LSDK userland. 10. 7. 3-2008 specification requires each 10GBASE-R link to support a 10 Gbps data rate at the XGMII interface and a 10. ## # IV. For example, the 74 pins can transmit 36 data signals and receive 36 data. As a result the above text only applies to XGMII 10 Gb/s operation and IEEE 802. The host layer access to the Controller IP for Automotive is through industry-standard AXI or AHB interfaces when the DMA is being used or through an external FIFO interface. 5 Gb/s and 5 Gb/s XGMII operation. 5x faster (modified) 2. 958559] 8021q: 802. System dimensions. The lossless IPG circuitry may include a lossless IPG insertion circuit and/or a lossless IPG removal circuit. Kinda cool and nifty I think, and certainly some smarty pants bit hackers were involved designing the protocols. 3 media access control (MAC) and reconciliation sublayer (RS). Avalon MM 3. The CoreUSXGMII (Universal Serial Media Independent Interface) IP is used to carry single network port over a single SERDES between the MAC and the PHY for Multi-Gigabit. This application is a divisional of U. The optional SONET OC-192 data rate control in. Serial Gigabit Transceiver Family. The 10GBASE-R PHY uses the XGMII interface to connect to the IEEE802. * The XGXS /A/ character (at least, and maybe others) is not a part of XGMII protocol, I believe. Protocols and Transceiver PHY IP Support 4. Embodiments described herein provide a method for providing a compatible backplane operation mechanism for 2. US20080304579A1 US12/222,367 US22236708A US2008304579A1 US 20080304579 A1 US20080304579 A1 US 20080304579A1 US 22236708 A US22236708 A US 22236708A US 2008304579 A1 US2008304579 AThe 10GBASE-R PHY uses the XGMII interface to connect to the IEEE802.