Checking Connections
Checking the Data Connections of the Interfaces
Pin Assignment
The following tables show the pin assignment of the various interfaces. The position of the connections can
be seen in the following figures.
[usb-schnittst-auf-geraetefrontseite-20070111, 1, en_US]
Figure 3-16 USB interface
[ethernet-anschlussbuchsen-101103-kn, 1, en_US]
Figure 3-17 Ethernet connections at the device bottom
[dsub-buchsen-20070111, 1, en_US]
Figure 3-18 Serial interface at the device bottom
USB Interface
The USB interface can be used to establish a connection between the protection device and your PC. For the
communication, the Microsoft Windows USB driver is used which is installed together with DIGSI (as of version
V4.82). The interface is installed as a virtual serial COM port. We recommend the use of standard USB cables
with a maximum length of 5 m/16 ft.
3.2
3.2.1
Mounting and Commissioning
3.2 Checking Connections
328 SIPROTEC 4, 7SJ80, Manual
E50417-G1140-C343-A8, Edition 12.2017
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