M2M Pro - Page 10

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Circuit – upper side
 12 – jumper switch option (debug port/serial port)
 13 - Ethernet connector extension (IEE 802.3, 1 x 10/100M Auto-Negotiation
LAN/WAN RJ45 port)
 14 – status LED extension (bicolor: red/green)
 15 – serial port connector extension (DSUB-9 (RS232))
 16 – power supply connector extension (Microfites, 4-pin)
 circuit construction – bottom side
 1 - 80-pin board connector
 2 – 64 MB NAND flash memory (store programs, data)
 3 - 2 x 32Mbyte SDRAM memory
 4 – ARM 9 microcontroller (type: AT91RM9200, 180 MHz clock speed)
 5 - Ethernet controller port extension
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