Mounting and Commissioning
3.2 Checking Connections
SIPROTEC, 7SD80, Manual
E50417-G1140-C474-A1, Release date 09.2011
253
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.
Table 3-2 Assignment of the USB socket
Connections at Port A
Protection data interface optical fiber cable with LC duplex connector.
The order numbers of the exchange modules are listed in the Appendix in Section A.1, Accessories.
Pin No. 1 2 3 4 Housing
USB VBUS
(unused)
D- D+ GND Shield
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