Jcom3_4: Com Port Box Header - MSI MS-CF02 User Manual

JCOM3_4: COM Port Box Header

This connector is a 16550A high speed communications port that sends/ receives 16
bytes FIFOs. You can attach a serial device to it.
JCOM3_4
19
20
⚠
Important
After connect COM port box headers to printer, garbage can't be printed when power
on/off.
Feature
∙ Support True RS-232
∙ Support TTL RS-232
∙ Support Auto flow control
∙ RS- 422/ 485 support TR 1000+ Meter
∙ RS- 232/ 422/ 485, selection by BIOS control
1
NDCD3#
3
NSIN3
5
NSOUT3
7 NDTR3
9
GND
1
11 NDSR3#
2
13 NRTS3
15
NCTS3#
17
VCC_COM3
19
NC
2
NDCD4#
4
NSIN4
6
NSOUT4
8 NDTR4
10
GND
12 NDSR4#
14
NRTS4
16
NCTS4#
18
VCC_COM4
20
NC
JCOM3_4
Connectors
35