
7
Figure 2a
. U-Prox IC E board modification 1
Figure 2b
. U-Prox IC E board modification 2
Assignment of the panel contacts and indication
Contact
Name
Purpose
+12V
+12V
External 12V power supply connection
GND
GND
A+
A+
RS 485 bus for reader, convertors and U-Prox
RM relay modules connection
B+
B+
USB Connector
USB micro B
USB Connector
For network settings configuration and
firmware upgrade
Jumper
BAT
BAT
For memory and Real-Time Clock backup
battery switch
TERM
TERM
RS 485 terminal resistor commutation
Button
FUNK
FUNK
Service button