Table of Contents
Advertisement
UM_s-MEXT_ME28relC_00_12_19_ML
5.4.2.
"T" shunt
This is a shunt with phone connectors that is used in both the local network (LAN) and global network.
The two jumpers J14 and J15 must short circuit pins 1 and 2.
There is also a terminal board. The meanings of the various terminals are explained below.
Image and wiring diagram
1.
2.
Meaning of the terminal board
5.4.3.
Remote keyboard up to 200 metres
To connect a remote keyboard two "T" shunt boards must be used, one near the controller and one near the remote keyboard.
In case of a remote keyboard monitoring a single unit for a distance of less than 200 metres, the correct configuration is as follows.
USER MANUAL
of a T-shunt.
Unit
Figure 5-4: Basic scheme to connect a remote keyboard up to 200 m
Figure 5-5: Electrical diagram to connect a remote keyboard up to 200 metres
Screw terminal
0
1
2
3
4
5
6
6x1 mm
2
shielded
and twisted
6x1 mm
2
SHIELDED
AND TWISTED
50
Function
Earth (shielded cable sheath)
+VRL=30V
GND
Rx-/Tx-
Rx+/Tx+
GND
+VRL=30V
TRANSLATION OF THE ORIGINAL INSTRUCTIONS
Advertisement
Table of Contents
