User's Manual

Uno Specifications Version 1.9
Reader models
Confidential & Proprietary Page 12
4 Reader models
4.1 RS232 model
The RS232 interface is implemented using a JST 10 pin connector (JST P/N
BM10B-ZPDSS).
The connector exposes 10 lines according to the following:
1. RS223 Rx
2. RS232 Tx
3. USB D-
4. Buzser 1
5. USB D+
6. Buzzer 2
7. GND (direct)
8. Vin
9. 5V
10. GND Ext (via common mode chock)
Note: the 10 pin connector optionaly support USB communication and
extranl buzzer activation. This option is not in OTI standard products
portfolio.
4.2 USB model
A mini-USB connector on the back of the reader provides communication to
the host terminal (POS). It can be used to provide either USB or RS232
serial interface depending on the reader’s hardware configuration.
DC power to the unit can be provided either through the mini-USB
connector or through the power jack which is part of the communication
cable.