Siemens SINUMERIK 840D sl Commissioning Manual page 975

4.2 Operating the service PC or the PG on the network
Applications
For the following applications, you will, for example, need a connection in the system
network between the PCU and a PG/PC:
● To store a backup image from the hard disk of a PCU on a PG/PC.
● To restore a PCU hard disk via the CD-ROM drive of a PG/PC.
● To commission a replacement hard disk.
4.2.1 Requirements
Overview
The following figures show the typical connection options in the system network:
● PCU to "Eth 2" with service PG/PC, directly, using a crossed Ethernet cable
● PCU to "Eth 2" with service PG/PC, via a switch, using an un-crossed Ethernet cable
If you want to connect the service PG/PC via a company network (Eth 1), contact your
network service center.
Meaning of the connections:
Green connection
Gray connection
PCU-Basesoftware (IM8)
Commissioning Manual, 02/2012, 6FC5397-1DP40-3BA0
○ Eth 1 as a DHCP client
● Eth 2 as a DHCP server
■ Eth 2 with a fixed IP address
Uncrossed Ethernet cable
Crossed Ethernet cable (crossover)
4.2 Operating the service PC or the PG on the network
Backing up and restoring data
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