光纤交换机-原理图.pdf

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1、123456789101112AALED[1..3]C418PFC1C2C31LED1_0+1.8V0.1UF0.1UF0.1UF+3.3VX1LED1_225MR12C5C618PF1K18PFR2R3+1.8V+1.8V1KR4R5R6R7R8R91K51R51R51R51R51R51RLED2_0U1网口1103104105106107108109110111112113114115116117118119120121122123124125126127128112233KS8995M/XPMP

2、MPM+2.5VXRXRXRXRXRXRJP5R10510RPS1PS0NCX1X2A1TX++V2A12LED1_0MDCMDIOSPIQA2A11LED2-0LED1-2LED1-1LED1-0SPIS-NRST-NGNDDVDDCVDDAPGNDAVDDARGNDAGNDATEST2+2.5VA3TX-SPEEDSCL/SPICTESTENSCANENRX+LED2_2102SDA/SPID1A4LED2-1MDI-XDIS4+3.3V1012A5LED2-2GNDARXP151003A6LED

3、3_0VDDIOVDDARRXM1T1RX1PRX-R11510R994A7A10GNDDRXP1RX1M7+V1LED1_2985140A8A9LED3_2LED3-0RXM1TXP1CMT18ACT976239接口排针1LED3-1GNDATXM1TX1PR12C7967338LED3-2TXP1TX1MR13510R958437B1B12LED4-0TXM1RXP2RX2P75R1000pf/2kvTX++V2LED2_0949536B2B11LED4-1VDDATRXM2RX2MTX-SPEE

4、D+12V+12V9310635B3LED4-2RXP2CMT2RX+9211734B4LED5-0RXM2TXP2TX2PR14C84+3.3V+3.3VJP1GND9112833B5SCONF0LED5-1GNDATXM2TX2M5129013932B6SMTXEN12SMRXD0R151KSCONF1LED5-2TXP275R1000pf/2kvRX-R16510R+3.3V2189141031B7B1054321GND21SCRSVDDCTXM27+V1LED2_2344388KS8995MA

5、/151130B8B93443GNDDVDDAR8ACTS1SMRXDVSMRXD1GND65SCOL87161229SWDIP-556GND865786SCONF0GNDA17R171328RJ45-LED_DUALMII_CS56SMRXD287SCONF1ISETRXP385181427SMRXD0SMRX0SCRSVDDATRXM33.01K1%RX3P7884KS8995XA191526OM078SMRXD3SMRXD1R18330RSMRX1SCOLRXP3RX3M2183201625B6

6、78910SMRXD221SMRX2SMRXD0RXM3TXP3CMT3B9104382211724JP6OM1910PWR1_LEDSMRXD343SMRX3SMRXD1GNDATXM3TX3PR19C9R206581221823A1A12510R1112865780SMRXD2网络交换TXP3231922TX3MA2TX++V2A11LED3_0OM21112PWR2_LED87SMRXD3TXM375R1000pf/2kvTX-SPEED79242021A3SMRXDVVDDATRX+13147

7、825A4OM31314SMTXD0SMRXDVSMRXDV_HBSMRXCRXP44+3.3V772640SS1041A5R21330RVDDIORXM451516217627A6OM41516SMTXD121GNDDGNDAGNDAGNDRX-R22437528A7A10510RSMTXD043SMTX0SMTXCTXP47+V1LED3_217171818665574SMTXERTXM429TTTTTTL1A88ACTA9DBG_RXSMTXD2SMTXD187SMTX17330XXXXXXSM

8、TXD287SMTX2SMTXD0GNDAM1P1M2P2M3P375@100M1920217231RJ45_8P192021SMTXD1VDDARR23R24R25R26R27DBG_TXSMTXD3SMTXD343SMTX37132GND43SMTXD2RXP510K3K10K10K10K2122SMTXEN65SMTXEN_HB7033212265SMTXD3RXM587693487SMTXENGNDA+5V23246835R28R29R30R31