Ethernet Ports (Lan1 And Lan2); Com1 Connector (Com1) - AXIOMTEK CAPA841 User Manual

CAPA841/842 Capa Board
2.4.17

Ethernet Ports (LAN1 and LAN2)

The board has two RJ-45 connectors: LAN1 and LAN2. Ethernet connection can be
established by plugging one end of the ethernet cable into this RJ-45 connector and the
other end (phone jack) to a 1000/100/10-Base-T hub.
Pin Signal
L1 MDI0+
L2 MDI0-
L3 MDI1+
L4 MDI1-
A Active LED (Yellow)
100 LAN LED (Green) / 1000 LAN LED
B
(Orange)
2.4.18

COM1 Connector (COM1)

This is a standard DB-9 connector. It is equipped with +5V level power capability on
DCD and +12V level on RI by setting JP12 (see section 2.3.9). The pin assignments of
RS-232/RS-422/RS-485 are listed in table below. If you need COM1 port to support
RS-422 or RS-485, please refer to BIOS setting in section 4.4.
Pin RS-232
1 DCD
2 RXD
3 TXD
4 DTR
5 GND
6 DSR
7 RTS
8 CTS
9 RI
22
Pin Signal
L5 MDI2+
L6 MDI2-
L7 MDI3+
L8 MDI3-
RS-422 RS-485
TX- Data-
TX+ Data+
RX+ No use
RX- No use
No use No use
No use No use
No use No use
No use No use
No use No use
A B
L8 L7 L6 L5 L4 L3 L2 L1
A B
Board and Pin Assignments