15 Chapter 2For PCM-3353 series, CN4 consists of a 40-pin connector which can sup-port up to 24-bit LCD panel. It is Hirose’s product no. DF13A-40DP-1.25V2.13.3 LVDS TFT LCD connector (CN42)Four PCM-3353 series, the board supports 1 channel 18-bit LVDS LCDpanel displays.2.14 Ethernet configurationThe board is equipped with one high performance 32-bit PCI-bus Ether-net interface which are fully compliant with IEEE 802.3U 10/100Mbpsstandards. They are supported by all major network operating systems.2.14.1 100Base-T connector (CN26)100Base-T connections are made via one internal 10-pin box header.2.15 Watchdog timer configurationAn onboard watchdog timer reduces the chance of disruptions whichEMP (electro-magnetic pulse) interference can cause. This is an invalu-able protective device for standalone or unmanned applications. Setupinvolves one jumper and running the control software (refer to AppendixA).2.16 USB connectors (CN15,CN17)The board provides up to four USB (Universal Serial Bus) ports usingPlug and Play. The USB interfaces comply with High Speed USB specifi-cation Rev. 2.0 which supports 480 Mbps transfer rate, and are fuse pro-tected.The USB interface is accessed through two 5 x 2-pin flat-cable connec-tors. You will need an adapter cable if you use a standard USB connector.The adapter cable has a 5 x 2-pin connector on one end and a USB con-nector on the other.The USB interfaces can be disabled in the system BIOS setup.
