LH-3802 3U21槽计算机背板使用说明书

LH-38023U21槽计算机背板使用说明书定制背板规格参数3.1定制背板尺寸：高(128.70mm)×宽(425.72mm)×厚（4.4mm）3.2槽数/规格：包含2个CPCI电源槽和17个板卡槽；支持3U欧洲标准卡，外设槽单槽宽度4HP，采用垂直插卡方式；S21槽P1和P2都用长针；背板PCB基板颜色黄绿色；背板的槽位布局如图所示：21槽的+3.3VD与系统中的+3.3V隔离，用可通过6A电流的磁珠连接；在第6槽（系统槽）上加一个网络变压器；3.3背板基本技术参数：最大电压降:<20mVV(I/O):+3.3V/+5V可选（+5V默认）阻抗控制:所有音视线45±10%Ω；除音视线外的其它单端线50±10%Ω；差分线100±10％Ω；工作温度:-40℃~+存储温度:-55℃MTBF:470,000h3.4背板信号定义：Slot5硬盘装载槽5P125GND+5V+3.3V+5VGND24GND+5VV(I/O)GND23GND+3.3V+5VGND22GNDGND+3.3VGND21GND+3.3VM66ENGND20GNDGNDV(I/O)GND19GND+3.3VGNDGND18GNDGND+3.3VGND17GND+3.3VGNDGND16GNDGNDV(I/O)GND15GND+3.3VGNDGND14KEYAREA131211GNDGNDGND10GNDGND+3.3VGND9GNDGNDGNDGND8GNDGNDV(I/O)GND7GNDGNDGND6GNDGND+3.3VGND5GNDGNDGND4GNDV(I/O)GND3GND+5VGND2GND+5VGND1GND+5V-12V+12V+5VGNDPinZABCDEF5P222GNDGNDGNDGNDGNDGND21GNDSATA3TX+GNDSATA3RX+GND20GNDSATA3TX-GNDSATA3RX-GND19GNDGNDGNDGND18GNDGNDUSB1+USB3+USB1_PWRGND17GNDGNDUSB1-USB3-USB3_PWRGND16GNDGNDGND15GNDGND14GNDRXD1GND13GNDGND12GNDTXD1GND11GNDGND10GNDSATA1RX+GND9GNDSATA1RX-GND8GNDGND7GNDSATA1TX-GND6GNDSATA1TX+GND5GNDGND4GNDV(I/O)GND3GNDGNDGND2GNDGNDGND1GNDGNDGNDPinZABCDEFSlot6系统槽6P125GND+5V+3.3V+5VGND24GND+5VV(I/O)GND23GND+3.3V+5VGND22GNDGND+3.3VGND21GND+3.3VM66ENGND20GNDGNDV(I/O)GND19GND+3.3VGNDGND18GNDGND+3.3VGND17GND+3.3VGNDGND16GNDGNDV(I/O)GND15GND+3.3VGNDGND14KEYAREA131211GNDGNDGND10GNDGND+3.3VGND9GNDGNDGNDGND8GNDGNDV(I/O)GND7GNDGNDGND6GNDGND+3.3VGND5GNDGNDGND4GNDV(I/O)GND3GND+5VGND2GND+5VGND1GND+5V-12V+12V+5VGNDPinZABCDEF6P2（第6槽网络信号通过网络变压器后，连接到21槽系统状态指示灯卡上。）22GNDGNDGNDGNDGNDGND21GNDGNDUSB1+USB3+USB1_PWRGND20GNDGNDUSB1-USB3-USB3_PWRGND19GNDGNDGNDGND18GNDRXD1GND17GNDTXD1GND16GNDGNDGND15GNDGND14GNDSP0_TX_PSP0_TX_NGND13GNDSP0_RX_PSP0_RX_NGND12GNDGND11GNDGND10GNDGND9GNDSATA3TX+SATA1TX+GND8GNDSATA3TX-SATA1TX-GND7GNDGND6GNDSATA3RX+SATA1RX+GND5GNDSATA3RX-SATA1RX-GND4GNDV(I/O)GND3GNDGNDGND2GNDGNDGND1GNDGNDGNDPinZABCDEFSlot7——Slot18编解一体卡P125GND+5V+3.3V+5VGND24GND+5VGND23GND+3.3V+5VGND22GNDGND+3.3VPm_RX_NPm_RX_PGND21GND+3.3VPm_TX_PPm_TX_NGND20GNDGNDGND19GND+3.3VGNDGND18GNDGND+3.3VGND17GND+3.3VGNDGND16GNDGNDGND15GND+3.3VGNDGND14KEYAREA131211GNDGNDGND10GNDGND+3.3VGND9GNDGNDGND8GNDGNDGND7GNDGNDGND6GNDGND+3.3VGND5GNDGNDGND4GNDGNDGND3GND+5VGND2GND+5VGND1GND+5V-12V+12V+5VGNDPinZABCDEF注：m从1～12；P222GNDENC_VINnVGNDADEC_VOUTnGND21GNDVGNDAGND20GNDVGNDAGND19GNDVGNDAGND18GNDVGNDAGND17GNDVGNDAGND16GNDGND15GNDENC_AINnAGNDADEC_AOUTnAGNDAGND14GNDAGNDAGND13GNDAGNDAGND12GNDAGNDAGND11GNDAGNDAGND10GNDAGNDAGND9GNDAGNDAGND8GNDAGNDAGND7GNDGND6GNDAGNDAGND5GNDGND4GNDAGNDAGND3GNDGND2GNDGND1GNDGNDPinZABCDEF注：n从12到1，递减；Slot19编码卡19P125GND+5V+3.3V+5VGND24GND+5VGND23GND+3.3V+5VGND22GNDGND+3.3VP13_RX_NP13_RX_PGND21GND+3.3VP13_TX_PP13_TX_NGND20GNDGNDGND19GND+3.3VGNDGND18GNDGND+3.3VGND17GND+3.3VGNDGND16GNDGNDGND15GND+3.3VGNDGND14KEYAREA131211GNDGNDGND10GNDGND+3.3VGND9GNDGNDGND8GNDGNDGND7GNDGNDGND6GNDGND+3.3VGND5GNDGNDGND4GNDGNDGND3GND+5VGND2GND+5VGND1GND+5V-12V+12V+5VGNDPinZABCDEF19P222GNDGND21GNDGNDVGNDAVGNDAGND20GNDGNDVGNDAVGA_ENC_P3_LCD_BGND19GNDGNDGNDVGNDAVGA_ENC_P2_LCD_GGND18GNDGNDVGNDAVGA_ENC_P1_LCD_RGND17GNDGNDVGNDAVGNDAGND16GNDGNDAGNDAAGNDAGND15GNDGNDAGNDAVGA_ENC_AINGND14GNDGNDGNDAGNDAAGNDAGND13GNDGNDGNDGNDGND12GNDGNDVGA_ENC_P13_HSGND11GNDGNDGNDGNDGND10GNDGNDVGA_ENC_P14_VSGND9GNDGNDGNDGNDGND8GNDGNDVGA_ENC_DSDAGND7GNDGNDGNDGNDGND6GNDGNDVGA_ENC_DSCLGND5GNDGNDGNDGND4GNDGND3GNDGNDGND2GNDGND1GNDGNDGNDPinZABCDEFSlot20编码卡20P125GND+5V+3.3V+5VGND24GND+5VGND23GND+3.3V+5VGND22GNDGND+3.3VP14_RX_NP14_RX_PGND21GND+3.3VP14_TX_PP14_TX_NGND20GNDGNDGND19GND+3.3VGNDGND18GNDGND+3.3VGND17GND+3.3VGNDGND16GNDGNDGND15GND+3.3VGNDGND14KEYAREA131211GNDGNDGND10GNDGND+3.3VGND9GNDGNDGND8GNDGNDGND7GNDGNDGND6GNDGND+3.3VGND5GNDGNDGND4GNDGNDGND3GND+5VGND2GND+5VGND1GND+5V-12V+12V+5VGNDPinZABCDEF20P222GNDGND21GNDGNDVGNDAVGNDAGND20GNDGNDVGNDAVGA_DEC_P3_ANA_LCD_BGND19GNDGNDGNDVGNDAVGA_DEC_P2_ANA_LCD_GGND18GNDGNDVGNDAVGA_DEC_P1_ANA_LCD_RGND17GNDGNDVGNDAVGNDAGND16GNDGNDAGNDAAGNDAGND15GNDGNDAGNDAVGA_DEC_AOUTGND14GNDGNDAGNDAAGNDAGND13GNDGNDGNDGNDGND12GNDGNDVGA_DEC_P13_HSGND11GNDGNDGNDGNDGND10GNDGNDVGA_DEC_P14_VSGND9GNDGNDGNDGNDGND8GNDGNDGNDVGA_DEC_DSDAGND7GNDGNDGNDGNDGND6GNDGNDVGA_DEC_DSCLGND5GNDGNDGNDGND4GNDGND3GNDGNDGND2GNDGND1GNDGNDGNDPinZABCDEFSlot21系统状态指示灯卡21P1（21槽的+3.3VD与系统中的+3.3V隔离，用可通过6A电流的磁珠连接）25GND+5VVGA_ENC_P2_LCD_GVGA_ENC_P3_LCD_B+3.3VD+5VGND24GNDVGA_ENC_DSDA+5VVGA_ENC_P1_LCD_RVGA_ENC_P13_HSVGA_ENC_P14_VSGND23GND+3.3VDVGA_ENC_DSCLGND+5VGNDGND22GNDGNDGND+3.3VDP14_RX_NP14_RX_PGND21GND+3.3VDP12_RX_NP13_RX_PP14_TX_PP14_TX_NGND20GNDP12_RX_PGNDP12_TX_NP13_RX_NP13_TX_PGND19GND+3.3VDP11_TX_PP12_TX_PGNDP13_TX_NGND18GNDP11_TX_NGND+3.3VDP11_RX_PGNDGND17GND+3.3VDP10_RX_PP10_RX_NGNDP11_RX_NGND16GNDP9_RX_PGNDP9_TX_PP10_TX_NGND15GND+3.3VDP9_RX_NP9_TX_NGNDP10_TX_PGND14KEYAREA131211GNDP7_TX_PP8_RX_PP8_RX_NGNDGND10GNDP7_TX_NGND+3.3VDP8_TX_PP8_TX_NGND9GNDP7_RX_NP7_RX_PP6_RX_NGNDP0_LINK/ACTGND8GNDP5_TX_PGNDP6_RX_PP5_TX_NP6_TX_NGND7GNDP4_TX_NP5_RX_NP5_RX_PGNDP6_TX_PGND6GNDP4_TX_PGND+3.3VDP4_RX_PP4_RX_NGND5GNDP2_TX_NP3_TX_NP3_TX_PGNDGND4GNDP2_TX_PGNDP3_RX_NP3_RX_PP2_RX_NGND3GNDP1_RX_PP1_TX_NP1_TX_P+5VP2_RX_PGND2GNDP1_RX_N+5VP0_TX_NP0_RX_PP0_RX_NGND1GND+5V-12VP0_TX_P+12V+5VGNDPinZABCDEF21P222GNDENC_VIN11ENC_VIN12VGNDADEC_VOUT11DEC_VOUT12GND21GNDVGNDAVGNDAVGNDAVGNDAVGNDAGND20GNDENC_VIN9ENC_VIN10VGNDADEC_VOUT9DEC_VOUT10GND19GNDENC_VIN7ENC_VIN8VGNDADEC_VOUT7DEC_VOUT8GND18GNDVGNDAVGNDAVGNDAVGNDAVGNDAGND17GNDENC_VIN5ENC_VIN6VGNDADEC_VOUT5DEC_VOUT6GND16GNDENC_VIN3ENC_VIN4VGNDADEC_VOUT3DEC_VOUT4GND15GNDENC_VIN1ENC_VIN2VGNDADEC_VOUT1DEC_VOUT2GND14GNDVGNDAVGNDAVGNDAVGNDAVGNDAGND13GNDENC_AIN12AGNDAAGNDAAGNDAAGNDAGND12GNDENC_AIN10ENC_AIN11AGNDADEC_AOUT12AGNDAGND11GNDAGNDAAGNDAAGNDADEC_AOUT10DEC_AOUT11GND10GNDENC_AIN8ENC_AIN9AGNDAAGNDAAGNDAGND9GNDENC_AIN6ENC_AIN7AGNDA