
User manual
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2.3 Relay connection
The relay owns two contacts of the terminal block on the top pane of IES618-4D series. It is
used to detect both power failure and port failure. The two wires attached to contacts form an open
circuit when:
(1)
IES618-4D series has lost power supply from one of the DC power inputs.
(2) One of the ports is failure.
2.4 DIP switch
Top panel provided 4 bits DIP switch to do function configure
(
OFF is default factory
)
,1 and 4
keep for future function. 2 is recovery default factory. 3 is for upgrade. Please power off and power
on when you change the status of DIP switch.
2.5 Communication port
10Base-T /100Base-TX Ethernet port
10Base-T/100Base-TX Ethernet port is located on front panel and the type is RJ45. The pinout of RJ45 port
connects to UTP or STP. The distance is not more than 100m. 100Mbps Ethernet connector takes 120Ωof UTP 5,
10Mbps Ethernet connector takes 120Ωof UTP 3, 4, 5.
RJ45 port supports automatically MDI/MDI-X connection. It can connect PC, Server, Converter and
HUB .Corresponding connection of Pin 1,2,3,6 is like this: 1→3, 2→6, 3→1, 6→2. The definition of Pin is
displayed as below.
Information necessary to explain:
PIN
MDI
MDI-X
1
TX+
RX+
2
TX-
RX-
3
RX+
TX+
6
RX-
TX-
4, 5, 7, 8
—
—
1
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