HT580 User Reference Guide
Unitech Electronic CO. LTD
Unitech Part Number: 400412
9
Communication Cradle LED Icons
This LED light (Red) shows the power status of the cradle itself. When the light is on it indicates
the cradle is charging. To determine if the terminal is fully charged, it may be necessary to check
the terminal LCD.
This LED light (Green) shows transmission status of the cradle itself. When the light is on, it
indicates that data is in transmission
1.8 HT580 Communication with the Host
1.9 Interface Port
The HT580 communicates via the RS232 communication port located on the bottom of the unit. You can
connect the HT580 directly via the communication cable to your PC’s RS232 port for data transfer, or
connect via the cradle.
1.10 Pin Assignment
Pin
Name
Pin
Name
1
US-POWER
7
DSR
2
GND
8
GND
3
DC-IN
9
DTR
4
USB DP
10
TXD
5
CTS
11
RXD
6
RTS
12
USB DP
USB 1.1 or RS232
connection through cable
RS232 /Modem Cradle Communication
