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      100G QSFP28/4SFP28 Direct Attach Cable (DAC)

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      • 公司名稱上海匯海信息科技股份有限公司
      • 品       牌
      • 型       號(hào)FGT-100GSF
      • 所  在  地上海
      • 廠商性質(zhì)其他
      • 更新時(shí)間2024/11/27 8:42:28
      • 訪問次數(shù)76
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      機(jī)架式光纖收發(fā)器
      GeneralDescriptionQSFP28passivecoppercableassemblyfeatureeightdifferentialcopperpairs
      100G QSFP28/4SFP28 Direct Attach Cable (DAC) 產(chǎn)品信息

      General Description

      QSFP28 passive copper cable assembly feature eight differential copper pairs,providing four data transmission channels at speeds up to 28Gbps per channel,and meets 100G Ethernet,25G Ethernet and InfiniBand Enhanced Data Rate(EDR) requirements.Available in a broad rang of wire gages-from 26AWG through 30AWG-this 100G copper cable assembly features low insertion loss and low cross talk.

      Designed for applications in the data center,networking and telecommunications markets that require a high speed,reliable cable assembly,this next generation product shares the same mating interface with QSFP+ form factor ,making it backward compatible with existing QSFP ports.QSFP28 can be used with current 10G and 14G applications with substantial signal integrity margin.


      Features and Benefits

      l Compatible with IEEE 802.3bj,IEEE 802.3by and InfiniBand EDR

      l Supports aggregate data rates of 100Gbps

      l Optimized construction to minimize insertion loss and cross talk

      l Backward compatible with existing QSFP+ connectors and cages

      l Pull-to-release slide latch design

      l 26AWG through 30AWG cable

      l Straight and break out assembly configurations available

      l Customized cable braid termination limits EMI radiation

      l Customizable EEPROM mapping for cable signature

      l RoHS compliant


      Product Applications

      l Switches,servers and routers

      l Data Center networks

      l Storage area networks

      l High performance computing

      l Telecommunication and wireless infrastructure

      l Medical diagnostics and networking

      l Test and measurement equipment

      Industry Standards

      l 100G Ethernet(IEEE 802.3bj)

      l 25G Ethernet(IEEE 802.3by)

      l InfiniBand EDR

      l SFF-8665 QSFP+ 28G 4X Pluggable Transceiver Solution(QSFP28)

      l SFF-8402 SFP+ 1X 28Gb/s Pluggable Transceiver Solution(SFP28)

      Technical Documents

      l 108-32081 QSFP28 Copper Module Direct Attach Cable Assembly

      l 108-2364 Single Port and Ganged SFP+ Cages,Zsfp+ Single Port and Ganged Cages,and SFP+ Copper Direct Attach Cable Assemblies.

      High Speed Characteristics

      Parameter

      Symbol

      Min

      Typical

      Max

      Unit

      Note

      Differential Impedance

      TDR

      90

      100

      110

      ?


      Insertion loss

      SDD21

      -22.48



      dB

      At 12.8906 GHz

      Differential Return Loss

      SDD11

      SDD22



      See 1

      dB

      At 0.05 to 4.1 GHz



      See 2

      dB

      At 4.1 to 19 GHz

      Common-mode to common-mode output return loss

      SCC11

      SCC22



      -2

      dB

      At 0.2 to 19 GHz

      Differential to common-mode

      return loss

      SCD11

      SCD22



      See 3

      dB

      At 0.01 to 12.89 GHz



      See 4

      At 12.89 to 19 GHz

      Differential to common Mode

      Conversion Loss

      SCD21-IL



      -10

      dB

      At 0.01 to 12.89 GHz



      See 5

      At 12.89 to 15.7 GHz



      -6.3

      At 15.7 to 19 GHz

      Notes:

      1. Reflection Coefficient given by equation SDD11(dB) < -16.5 + 2 × SQRT(f ), with f in GHz

      2. Reflection Coefficient given by equation SDD11(dB) < -10.66 + 14 × log10(f/5.5), with f in GHz

      3. Reflection Coefficient given by equation SCD11(dB) < -22 + (20/25.78)*f, with f in GHz

      4. Reflection Coefficient given by equation SCD11(dB) < -15 + (6/25.78)*f, with f in GHz

      5. Reflection Coefficient given by equation SCD21(dB) < -27 + (29/22)*f, with f in GHz

      Pin Descriptions

      SFP28 Pin Function Definition

      Pin

      Logic

      Symbol

      Name/Description

      Notes

      1


      VeeT

      Transmitter Ground


      2

      LV-TTL-O

      TX_Fault

      N/A

      1

      3

      LV-TTL-I

      TX_DIS

      Transmitter Disable

      2

      4

      LV-TTL-I/O

      SDA

      Tow Wire Serial Data


      5

      LV-TTL-I

      SCL

      Tow Wire Serial Clock


      6


      MOD_DEF0

      Module present, connect to VeeT


      7

      LV-TTL-I

      RS0

      N/A

      1

      8

      LV-TTL-O

      LOS

      LOS of Signal

      2

      9

      LV-TTL-I

      RS1

      N/A

      1

      10


      VeeR

      Reciever Ground


      11


      VeeR

      Reciever Ground


      12

      CML-O

      RD-

      Reciever Data Inverted


      13

      CML-O

      RD+

      Reciever Data Non-Inverted


      14


      VeeR

      Reciever Ground


      15


      VccR

      Reciever Supply 3.3V


      16


      VccT

      Transmitter Supply 3.3V


      17


      VeeT

      Transmitter Ground



      18

      CML-I

      TD+


      Transmitter Data Non-Inverted



      19

      CML_I

      TD-


      Transmitter Data Inverted



      20


      VeeT


      Transmitter Ground


      1.

      Signals not supported in SFP+ Copper pulled-downto VeeT with 30K ohms resistor


      2.

      Passive cable assemblies do not support

      LOS and TX_DIS



      QSFP28 Pin Function Definition

      Pin

      Logic

      Symbol

      Description


      1


      GND

      Ground







      2

      CML-I

      Tx2n

      Transmitter Inverted Data Input







      3

      CML-I

      Tx2p

      Transmitter Non-Inverted Data Input


      4


      GND

      Ground







      5

      CML-I

      Tx4n

      Transmitter Inverted Data Input







      6

      CML-I

      Tx4p

      Transmitter Non-Inverted Data Input







      7


      GND

      Ground







      8

      LVTTL-I

      ModSelL

      Module Select







      9

      LVTTL-I

      ResetL

      Module Reset







      10


      Vcc Rx

      +3.3V Power Supply Receiver







      11

      LVCMOS-

      SCL

      2-wire serial interface clock


      I/O











      12

      LVCMOS-

      SDA

      2-wire serial interface data


      I/O











      13


      GND

      Ground







      14

      CML-O

      Rx3p

      Receiver Non-Inverted Data Output







      15

      CML-O

      Rx3n

      Receiver Inverted Data Output


      16


      GND

      Ground







      17

      CML-O

      Rx1p

      Receiver Non-Inverted Data Output







      18

      CML-O

      Rx1n

      Receiver Inverted Data Output







      19


      GND

      Ground









      20


      GND

      Ground









      21

      CML-O

      Rx2n

      Receiver Inverted Data Output









      22

      CML-O

      Rx2p

      Receiver Non-Inverted Data Output



      23


      GND

      Ground









      24

      CML-O

      Rx4n

      Receiver Inverted Data Output









      25

      CML-O

      Rx4p

      Receiver Non-Inverted Data Output









      26


      GND

      Ground



      27

      LVTTL-O

      ModPrsL

      Module Present









      28

      LVTTL-O

      IntL

      Interrupt









      29


      Vcc Tx

      +3.3V Power supply transmitter









      30


      Vcc1

      +3.3V Power supply









      31

      LVTTL-I

      LPMode

      Low Power Mode









      32


      GND

      Ground









      33

      CML-I

      Tx3p

      Transmitter Non-Inverted Data Input









      34

      CML-I

      Tx3n

      Transmitter Inverted Data Input









      35


      GND

      Ground









      36

      CML-I

      Tx1p

      Transmitter Non-Inverted Data Input



      37

      CML-I

      Tx1n

      Transmitter Inverted Data Input









      38


      GND

      Ground








      Length (m)

      Cable AWG

      1

      30

      2

      30

      3

      30/26

      4

      26

      5

      26

      Regulatory Compliance

      Feature

      Test Method

      Performance

      Electrostatic Discharge (ESD) to the Electrical Pins

      MIL-STD-883C Method 3015.7

      Class 1(>2000 Volts)

      Electromagnetic Interference(EMI)

      FCC Class B

      Compliant with Standards

      CENELEC EN55022 Class B

      CISPR22 ITE Class B

      RF Immunity(RFI)

      IEC61000-4-3

      Typically Show no Measurable Effect from a 10V/m Field Swept from 80 to 1000MHz

      RoHS Compliance

      RoHS Directive 2011/6/5/EU and it's Amendment Directives 6/6

      RoHS 6/6 compliant




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