Chapter 1) 7XG3124 Installation Guide
©2014 Siemens Protection Devices Limited
Chapter 1 Page 15 of 20
Section 2: Communication
2.1
Physical Connections
The RA24 is ordered with either of the following Ethernet connection options :
Figure 18: RA24 RJ45 port
Standard Single Port
: RJ45 10Base-T / 100Base-TX
In the single port option the RJ45 port is utilised for connection to an IEC61850
station bus LAN for Goose messaging purposes and for device configuration.
Figure 19: RA24 RJ45 & FO ports
Optional Two Port
: RJ45 10Base-T / 100Base-TX and
Fibre 100Base-TX
The two port option allows one of the ports to connect to an IEC61850 station bus LAN for
Goose messaging purposes and either port may be utilised for device configuration