Asus H610I-EM-A User Manual English - Page 30
COM Port headers 10-pin COM3 - COM6, RTC Battery header 2-pin BATTERY
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12. COM Port headers (10-pin COM3 - COM6) These headers are for serial (COM) ports. Connect the serial port cables to these headers, then install the module to a slot opening at the back of the system chassis. ABC D A COM3 B COM4 C COM5 D COM6 RXD DTR# DSR# CTS# Ring RTS# GND TXD DCD# PIN 9 PIN 1 PIN 2 PIN 2 PIN 1 PIN 9 DCD# TXD GND RTS# Ring CTS# DSR# DTR# RXD Connector type HEADER 2x5p, K10, 2.54mm pitch NOTE: The serial port cable is purchased separately. 13. RTC Battery header (2-pin BATTERY) This header is for the lithium CMOS battery. BATTERY PIN 1 +BAT GND 2-22 H610I-EM-A
![](/manual_guide/products/asus-h610iema-user-manual-english-c9849d0/30.png)
H610I-EM-A
2-22
NOTE:
The serial port cable is purchased separately.
12.
COM Port headers (10-pin COM3 - COM6)
These headers are for serial (COM) ports. Connect the serial port cables to
these headers, then install the module to a slot opening at the back of the
system chassis.
COM3
COM4
COM5
A
B
C
COM6
D
PIN 1
PIN 2
PIN 9
Ring
RTS#
GND
TXD
DCD#
CTS#
DSR#
DTR#
RXD
PIN 1
PIN 2
PIN 9
DCD#
TXD
GND
RTS#
Ring
RXD
DTR#
DSR#
CTS#
A
B
C
D
Connector type
HEADER 2x5p, K10, 2.54mm pitch
13.
RTC Battery header (2-pin BATTERY)
This header is for the lithium CMOS battery.
+BAT
GND
BATTERY
PIN 1