The default IP address of the IED through this port is 192.168.0.254.
The front port supports TCP/IP protocol. A standard Ethernet CAT 5 crossover
cable is used with the front port.
The speed of the front connector interface is limited to 10 Mbps.
13.3.2 Ethernet rear connections
The Ethernet station bus communication module is provided with either galvanic
RJ-45 connection or optical multimode LC type connection, depending on the
product variant and the selected communication interface option. A shielded twisted-
pair cable CAT 5e is used with the RJ-45 connector and an optical multi-mode
cable (≤2 km) with the LC type connector.
In addition, communication modules with multiple Ethernet connectors enable the
forwarding of Ethernet traffic. The variants include an internal switch that handles
the Ethernet traffic between an IED and a station bus. In this case, the used
network can be a ring or daisy-chain type of network topology. In loop type
topology, a self-healing Ethernet loop is closed by a managed switch supporting
rapid spanning tree protocol. In daisy-chain type of topology, the network is bus
type and it is either without switches, where the station bus starts from the station
client, or with a switch to connect some devices and the IEDs of this product series
to the same network.
Communication modules including Ethernet connectors X1, X2, and X3 can utilize
the third port for connecting any other device (for example, an SNTP server, that is
visible for the whole local subnet) to a station bus. In RED615, the first Ethernet
port X16 is dedicated to the line differential communication and it cannot be used
for station bus communication.
The IED's default IP address through rear Ethernet port is 192.168.2.10 with the TCP/
IP protocol. The data transfer rate is 100 Mbps.
13.3.3 EIA-232 serial rear connection
The EIA-232 connection follows the TIA/EIA-232 standard and is intended to be
used with a point-to-point connection. The connection supports hardware flow
control (RTS, CTS, DTR, DSR), full-duplex and half-duplex communication.
13.3.4 EIA-485 serial rear connection
The EIA-485 communication module follows the TIA/EIA-485 standard and is
intended to be used in a daisy-chain bus wiring scheme with 2-wire half-duplex or 4-
wire full-duplex, multi-point communication.
1YHT530004D05 D Section 13
IED physical connections
615 series 849
Technical Manual
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