Chapter 5 - Accessories 
UM-22100H-U User manual ATEQ D520 Page 107/122 
2.6.2.  Installation 
2.6.2. 1)  Connect to the measurement instrument 
a) J5 RS485 connector (remote control) 
 
2
1
4
3
 
Allows the connection of an intelligent remote control. 
(Female Lumberg type connector). Optional. 
PIN 1    Network 
PIN 2    Power supply + 24V 
PIN 3    Network 
PIN 4    Ground 0V 
 
2.6.2. 2)  Connector on the RC5 
a) RS485 connector (Input) 
 
2 1
4
3
 
Allows the connection of the option to the remote control 
input of the ATEQ instruments. (Male Lumberg type 
connector). 
PIN 1  Network 
PIN 2  Power supply + 24 V 
PIN 3  Network 
PIN 4  Ground 0V 
 
2.6.3.  Start-up 
Before connecting the instruments, turn them off, when the network is installed it 
automatically detects the presence of the RC5 remote front panel when the instrument 
is switched on. 
If the remote front panel is equipped with a multifunction intelligent remote control (8 
keys) refer to the paragraph concerning this accessory.