Vga Connector; Com1/2 Connector - JHCTech KMDA-2701 User Manual

2.4.5 VGA Connector

Table 2.5: VGA port pin assignments
Pin
1
2
3
4
5
6
7
8
Note: NC represents —No Connection
The KMDA-2701 provides a high-resolution VGA interface via D-sub 15-pin connector to support a
VGA CRT monitor, it supports the most resolution up to 1920*1080@60Hz.

2.4.6 COM1/2 Connector

The KMDA-2701 provides 2 serial ports of COM1/2 by 2*D-sub 9-pin connectors. COM1/2
configured as RS232、RS422 or RS485 by BIOS setup.
Table 2.6: COM1/2 Serial Ports Pin Assignments
Pin
1
2
3
4
5
Figure 2.18 VGA Connector
Signal
RED
GREEN
BLUE
NC
GND
GND
GND
GND
1 2
6
Figure 2.19 COM1/2 Connector
RS-232 Signal
DCD
RxD
TxD
DTR
GND
Pin Signal
9 VCC
10 GND
11 NC
12 SDA
13 HS
14 VS
15 SCL
3 4 5
7 8 9
RS-422 Signal RS-485 Signal
TX- DATA-
TX+ DATA+
RX+ NC
RX- NC
GND GND
18
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