1. Connect the DIN rail or wall-mount
brackets as required.
2. Connect the 24Vdc power supply as
follows:
Contact number DC connections AC connections
1 PWR1: + PWR1: L
2 PWR1: - PWR1: N
3 Ground Ground
4 PWR2: - PWR2: L
5 PWR2: + PWR2: N
3. Connect the ground connections as
follows:
4. Link external devices to the switch with
appropriate cables.
LED Status Description
PWR1 ON Power is supplied to the unit
O No power to the unit
PWR2
ON Power is supplied to the unit
O No power to the unit
Fiber Port LED
LED 1
LINK/AC
ON Effective network connection
has been established for the
port
LASH
Data traffic passing through the
port
O No effective network connection
has been established for the
port
Ethernet RJ45 Port Status LED
Each RJ45 Ethernet port has two indicators, a yellow lamp
and a green lamp. The yellow lamp indicates port speed,
and the green lamp indicates port link state.
10/100
(Yellow) ON 100M working status (100Base-
TX)
O 10M working status (10 Base-T)
or no connection
LINK/AC
(Green) ON
Effective network connection
has been established for the
port
LASH
Data traffic is passing through
the port
O
No effective network connection
has been established for the
port
Troubleshooting
Visit our website http://www.kbcnetworks.com or
contact your nearest KBC office or dealer:
APAC:
Phone: +65 9846 3323
Email: apactechsupport@kbcnetworks.com
EMEA:
Phone: +44(0)1622 618787
Email: emeatechsupport@kbcnetworks.com
USA:
Phone: +1 949 297 4930
Toll ree: +1 888 366 4276
Email: techsupport@kbcnetworks.com
ESU 4-F 1-*2-D*
Industrial Ethernet Switch
QSG-ESUL4-FL1-Rev1208 www. bcnetwor s.com
Copyright © KBC Networ s Ltd. 2012
