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2.1.6
Optional Rear EN100 Ethernet Module (COM3)
The optional ethernet interface is primarily provided for support of IEC 61850 protocol. Support for IEC 60870-5-
103 is also provided over this interface to allow connection with Reydisp Evolution and Reydisp Manager software
for interrogation, editing and download of relay settings and other data. Ordering options are available with two
RJ45 electrical connectors or with two duplex LC fibre optic connectors.
Setting name
Range
LAN Protocol
OFF, IEC60870-5-103
If this setting is set to Off, access to relay data using Reydisp Evolution and Reydisp Manager software via the
Ethernet interface is not available.
Connections to the optional EN100 ethernet module are made on the rear underside of the relay.
Connections are made to either RJ45 sockets (electrical) or Duplex LC (fibre optic) connectors.
Ethernet – EN100-E
Ch 1
LED yellow
LED green
EN100 Module – RJ45 Interface
Green LED (Physical Link)
Off – No link
On – Link present
Yellow LED (Activity)
Off – No traffic
On/flashing - Traffic
©2013 Siemens Protection Devices Limited
Default
IEC60870-5-103
Ch 2
LED yellow
LED green
Figure 2-8
Chapter 4) 7SR23 DAD Data Communications
Setting
Notes
Ethernet – EN100-O
Ch 1
EN100 Module – Duplex-LC Interface
EN100 Ethernet Module
Ch 2
Chapter 4 Page 13 of 54
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