Hardware description
10.2 External interfaces
SIMATIC IPC127E
Operating Instructions, 01/2019, A5E44296915-AA
77
10.2.4
Ethernet port
Pin
Short description
Meaning
1
BI_DA+
Bidirectional data A+, input/output
2
BI_DA–
Bidirectional data A–, input/output
3
BI_DB+
Bidirectional data B+, input/output
4
BI_DC+
Bidirectional data C+, input/output
5
BI_DC–
Bidirectional data C–, input/output
6
BI_DB–
Bidirectional data B–, input/output
7
BI_DD+
Bidirectional data D+, input/output
8
BI_DD–
Bidirectional data D–, input/output
LED
Short description
Meaning
1
LED 1
Off: 10 Mbps
Lit green: 100 Mbps
Lit orange: 1000 Mbps
2
LED 2
Lit orange: Connection established
Flashes: Activity