Detailed descriptions
16.1 Motherboard
SIMATIC Rack PC 847B
134
Operating Instructions, 06/2008, A5E02203168-01
Ethernet LAN connection, X40, X41
Ethernet LAN connection
/('
/('
Pinno.
Short name
Meaning
Input / output
1
BI_DA+
Bi-directional data A+
Input / output
2
BI_DA-
Bi-directional data A-
Input / output
3
BI_DB+
Bi-directional data B+
Input / output
4
BI_DC+
Bi-directional data C+
Input / output
5
BI_DC-
Bi-directional data C-
Input / output
6
BI_DB-
Bi-directional data B-
Input / output
7
BI_DD+
Bi-directional data D+
Input / output
8
BI_DD-
Bi-directional data D-
Input / output
S
Shield
–
LED 1
Off: 10 Mbps
Lit in green color: 100 Mbps
Lit in orange color: 1000 Mbps
–
LED 2
Lit: Active connection
(to a hub, for example)
Flashing: actvity
–