HID Global Corporation 5553 Manuale Utente
1508-USM-00-0-04
HF Multi ISO RFID Reader User Manual, Firmware V1.4
Table 14 - Pin out – Jumper 3 Detail
PIN
PIN No.
Description
RFU 1
RFU
+5V 2
Supply
Voltage
GND 3
Ground
RX/RXA
4
RS232 RX / RS422 RXA
TX/TXA
5
RS232 TX / RS422 TXA
RXB 6
RS422
RXB
TXB 7
RS422
TXB
Table 15 - J3 pins in RS232 Configuration - Electrical Characteristics
PIN No.
Min
Typ.
Max.
Description
PIN
RFU
1
Do not connect
4.5V 5V 5.5V Supply
Voltage
+5V 2
150mA
250mA
Supply Current (without SAM)
GND
3
GND
Ground for Power Supply and
Interface
Interface
RX/RXA 4
-15V
3k
3k
Ω
5k
Ω
+15V
7k
7k
Ω
RS232 Voltage Levels
Input Impedance
Input Impedance
TX/TXA 5
±5V
300k
300k
Ω
±9V
RS232 Voltage Levels
Output Impedance
Output Impedance
RXB
6
Do not connect
TXB
7
Do not connect
1
20
1
7
J3
+5V
Ground
RX
TX
Ground
RX
TX
RS232 Configuration
Figure 17 - RS232 Configuration - Jumper 3 Pin Out
Page 130 of 144
August 2010
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