Standard Serial; Description; Serial Connector Rs232 - Connect Tech COM Express 2 User Manual

Connect Tech COM Express Type 2 Carrier Board - User Manual

Standard Serial

Description

The CCG0xx series of COM Express adapters features four serials ports. Port1 and Port2 are standard RS232 and
Port3 and Port4 are RS485. The SMSC SCH3114 Super I/O chip is used to facilitate the serial I/O. This chip requires
both an LPC bus connection from the module and BIOS support to operate. Ask your module vendor or examine
your module documentation to determine of BIOS support is available for the SCH3114.
The pinouts are as followss

Serial Connector RS232

Function RS232 Serial
P24
Location
Type 2x10 2mm Header
Pinout
Header
Pin
1
2
3
4
5
6
7
8
9
10 No Connect
11
12
13
14
15
16
17
18
19
20 No Connect
26
Signal DB9 Pin
DCD 1
DSR 6
RXD 2
RTS 7
TXD 3
CTS 8
DTR 4
RI 9
GND 5
DCD 1
DSR 6
RXD 2
RTS 7
TXD 3
CTS 8
DTR 4
RI 9
GND 5
Revision 0.03