Detailed descriptions
16.1 Motherboard
SIMATIC Box PC 627B
Operating Instructions, 06/2008, A5E00927393-02
151
PROFINET LAN X1 Port P1, P2, P3
PROFINET interface
/('
/('
Pinno.
Short description
Meaning
Input / output
1
RD+
Receive data *
Input
2
RD-
Receive data *
Input
3
TD+
Transmit data *
Output
4, 5
1)
SYMR
Internal with 75 Ohm terminating resistor
_
6
TD-
Receive data *
Output
7, 8
1)
SYMT-
Internal with 75 Ohm terminating resistor
_
S
Shield
LED 1
Lit green: link
LED 2
Lights up yellow: activity
* Auto negotiation and auto crossover supported
Summary of Contents for SIMATIC 627B
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