User manual
PCM-3343 User Manual 16
2.13.1 LAN1 Connector (CN24)
DM&P Vortecx86DX is integrated with a Fast Ethernet MAC and Physical chip to pro-
vide the Fast Ethernet Control unit that has 32-bit performance, PCI bus master
capability, and full compliance with IEEE 802.3u 100Base-T specifications and IEEE
802.3x Full Duplex Flow Control. LAN1 connection utilizes the Vortecx86DX Inte-
grated Fast Ethernet Control unit on CN24 through an internal 10-pin right angle pin
header.
2.13.2 LAN2 Connector (CN11)
PCM-3343 LAN2 connection uses the Realtek RTL8100C 10/100Mbps LAN chip via
PCI bus through an internal 10-pin right angle pin header.
2.13.3 LAN LED Connector (CN19 & CN21)
PCM-3343 provides an external LAN LED Pin header for connecting to the front side
of the chassis. With this convenient design users may know whether the LAN port is
performing or not. Refer to appendix for detailed information on the pin assignments.
LAN1 LED connector is CN19, and LAN2 LED connector is CN21.
2.14 USB connectors (CN13 & CN25)
The board provides up to four USB (Universal Serial Bus) ports using Plug and Play.
The USB interface comply with High Speed USB specification Rev. 2.0 which sup-
ports 480 Mbps transfer rate, and are fuse protected.
The USB interfaces are accessed through two 5 x 2-pin pin header connectors. 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 connector on the other. The USB
interfaces can be disabled in the system BIOS setup.
2.15 System Reset Connector (CN15)
If you install a reset switch, it should be an open single pole switch. Momentarily
pressing the switch will activate a reset.
2.16 -12V/-5V Power In Connector (CN16)
The PCM-3343 is equipped with a Negative Power Input connector providing -12 V &
-5 V power if your applications happen to need it. -12V and -5V connector is
designed for PC/104 add-on card.