Omega Vehicle Security OMG-USB-232-4 Manual Do Utilizador

 Technical

OMG-USB-232-4 

Page 5 

 

The  OMG-USB-232-4 utilizes four USB UARTs. These chips feature 
programmable baud rate, data format, 128 byte Dual Port TX Buffer, and 384 byte 
Dual Port RX Buffer. The RS-232 transceiver supports data rates up to 460.8K 
baud. 

• 

Hot pluggable device that does not require opening the case 

• 

No system resources are required (i.e. I/O ports or IRQ’s) 

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LED status indicators for USB Enabled and port activity 

Signal 

Name 

Pin # 

Mode 

GND 

Ground 

5 

 

TX 

Transmit Data 

3 

Output 

RTS 

Request To Send 

7 

Output 

DTR 

Data Terminal Ready 

4 

Output 

RX 

Receive Data 

2 

Input 

CTS 

Clear To Send 

8 

Input 

DSR 

Data Set Ready 

6 

Input 

DCD 

Data Carrier Detect 

1 

Input 

RI 

Ring Indicator 

9 

Input