7SR210 & 7SR220 Configuration Guide
2.1.6
O
R
PTIONAL
Connections are made on the rear underside of the relay either RJ45 sockets (electrical) or Duplex LC
(fibre optic) connectors depending on the option ordered.
Ethernet – EN100-E
Ch 1
Ch 2
LED yellow
LED yellow
LED green
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
2.1.7
C
ONFIGURING
Using the keys on the relay fascia scroll down the settings menu's into the 'communications' menu and change
the settings for the communication port used on the relay. All of the below settings may not be available in all
relay types. Reydisp Evolution software uses IEC60870-5-103 protocol to communicate.
COM1 – Standard RS485 Rear Port
COM2 - USB Port
COM3 – Optional Fibre Optic, RS485, RS232 or Ethernet Port
COM4 – Additional (Optional) Rear Connection**
LAN – Optional Ethernet Ports
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EN100 E
EAR
THERNET
Figure 2.1.6-1 EN100 Ethernet Module
R
D
C
ELAY
ATA
OMMUNICATION
M
ODULE
Ethernet – EN100-O
Ch 1
Ch 2
EN100 Module – Duplex-LC Interface
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