Instruction Manual
Table Of Contents
2 
PROTECH                           SORADIO 
1  WIRING 
Note: All common inputs are connected together. 
Example of input wiring: 
The inputs are seen out of alarm when they are closed. They are seen in alarm when they are open 
(Positive security). 
* LEDs status L1, L2 et L3: 
L1: green 
Operating mode 
OFF: Radio Mode 
ON: RS485 Mode (unused in SORADIO) 
LEDs active only if BLE 
is activated after a short 
press on the tamper 
L2: orange 
Radio configuration 
status 
Blinking: Radio mode not configured 
ON: Radio mode configured 
L3: red 
BLE status 
OFF: BLE deactivated 
Blinking: BLE active waiting for connection 
ON: BLE active connected to the application 
Maximum length of 12V DC power supply cables: 
(cable type SYT1 shielded) 
∅ Wire 
Wire section 
Maximum length of cables 
0.6 mm 
0.02 in 
0.3 mm² 
23 AWG 
500 m 
0.31 mi 
0.9 mm 
0.04 in 
0.6 mm² 
20 AWG 
1124 m 
0.7 mi 
1.4 mm 
0.06 in 
1.5 mm² 
16 AWG 
2506 m 
1.56 mi 
Note:   When using the same cable to supply power to several components, the indicated distances should be divided 
by the number of connected components. When using several wires with the same section in parallel by 
polarity, the indicated distances should be multiplied by the number of connected wires. 
N° Terminals 
Description 
1 
Input 1 
2 
Common 
3 
Input 2 
4 
Common 
5 
Input 3 
6 
Common 
7 
Input 4 
8 
Common 
9 
Input 5 
10 
Common 
11 
Input 6 
12 
Common 
13 
Input 7 
14 
Common 
15 
Input 8 
16 
Common 
17 
X 
18 
X 
19 
X 
20 
X 
21 
0V Power supply 
22 
+12V DC Power supply 
E1
C
* 
L1 
L2 
L3 










