Appendix C
Operating Instructions ET-xx8 / MT-xx8
R. STAHL HMI Systems GmbH / OI_ET_MT-xx8_en_V_01_02_03.docx / 10.03.2021
Page 63 of 84
19 Appendix C
19.1 Connection overview terminal assignment
19.1.1
Ex e terminal box / terminals
Terminal Pin
Designation (PCB) / view
typical colour
coding / plug
type
Connection / function
X1
1
+24 V / L
Black
Power supply of the HMI
device
(either AC or DC)
POWER
2
+24 V / L
Black
3
GND / N
Blue
4
GND / N
Blue
5
PE / earth
Green / yellow
6
PE / earth
Green / yellow
X2 *
1000Base-TX 100Base-TX
Data cable
CAT1
1
D1+
TX+
Orange / White
Copper connection 1
2
D1-
TX-
Orange
3
D2+
RX+
Green / White
4
D2-
RX-
Green
5
D3+
White / Blue
6
D3-
Blue
7
D4+
White / Brown
8
D4-
Brown
X3 *
1000Base-TX 100Base-TX
Data cable
CAT2
1
D1+
TX+
Orange / White
Copper connection 2
(2. Connection not possible
for SERIES 600)
2
D1-
TX-
Orange
3
D2+
RX+
Green / White
4
D2-
RX-
Green
5
D3+
White / Blue
6
D3-
Blue
7
D4+
White / Brown
8
D4-
Brown
X20 *
FO 1
SC duplex
connector
Data cable
FO connection 1
for SERIES 400 / 500
Type FX (100Base-FX)
for SERIES 600:
Type SX (1000Base-SX)
or
Type LX (1000Base-LX)