User's Manual

Unitech Part Number: 400412

3.1. Pin Assignment

The HT580L communicate via the RS232 communication port located on the bottom of the unit. You can

connect the unit via the communication cable to PC RS232 jack for data transfer or connect through

cradle for communication.

Pin Name

1 US-POWER

2 GND

3 DC-IN

4 USB DP

5 CTS

6 RTS

7 DSR

8 GND

9 DTR

10 TXD

11 RXD

12 USB DP