Acer Aspire AM5610 Service Manual page 106

Serial Port Header: COM2
The main board offers one 9-pin header as serial port. The port is a 16550A high speed communication port that
sends/receives 16 bytes FIFOs. You can attach a serial mouse or other serial device directly to it.
PIN
1
2
3
4
5
6
7
8
9
SPDIF-Out Connector: JSPDIFO2
This connector is used to connect SPDIF (Sony & Philips Digital Interconnect Format) interface for digital audio
transmission.
IrDA Infrared Module Header: JCIR2
This connector allows you to connect to MCE Infrared receiver & IR blaster module.
100
Signal Description
DCD Data Carry Detect
SIN Serial In or Receive Data
SOUT Serial Out or Transmit Data
DTR Data Terminal Ready)
GND Ground
DSR Data Set Ready
RTS Request To Send
CTS Clear TO Send
RI Ring Indicate
Chapter 5