User manual

VB8004

VB8004VB8004

VB8004

User Man

User ManUser Man

User Manual

ualual

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2.2.7. COM Connector

The mainboard includes one onboard COM connector in addition to COM

port on the external I/O. The onboard COM connector labeled as “COM1” is

used to attach additional COM port that support RS-232 standard. The pinout

of 10-pin COM connector is as shown below.

Figure

Figure Figure

Figure 25

2525

25: COM connector

: COM connector: COM connector

: COM connector

PinPin

Signal

SignalSignal

Signal

1 DCD_1

2 RXD_1

3 TXD_1

4 DTR_1

5 GND

6 DSR_1

7 RTS_1

8 CTS_1

9 RI_5_12V1

10 NC

Table

Table Table

Table 15

1515

15: COM connector pinout

: COM connector pinout: COM connector pinout

: COM connector pinout