Copyright 2018 EtherWAN Systems, Inc.
Page 2
All Rights Reserved
EX73900 Series Hardened Managed Ethernet Switch
EX73900 rev. 3.0
04/13/2018
Installation Guide
W70G-EX73900Q3
Pin
Description
Power 1
+
12-48VDC
−
Power Ground
Power 2
+
12-48VDC
−
Power Ground
Earth Terminal
Relay Output Rating
2A @ 30VDC
Relay Output Alarm
The relay output can be connected to an alarm
signaling device. Current is 2A at 30VDC.
Power-Up Sequence
When the switch is powered up:
All
Link/ACT
LEDs blink momentarily.
The
Power 1, 2
LEDs light up and stay lit.
LEDs for every port connected to a device
will flash, as the switch conducts a brief
Power On Self-Test (POST).
6
Console Configuration
Connect to the switch console by
connecting the DB9 cable to the console
port of the switch and to the serial port of
the computer running a terminal emulation
application (such as HyperTerminal or
Putty).
Configuration settings of the terminal-
emulation program: Baud rate: 115,200bps,
Data bits: 8, Parity: none, Stop bit: 1, Flow
control: none.
The default login name is “root,” no
password.
7
Web Configuration
Log in to the switch by launching a web
browser and entering 192.168.1.10 in the
address bar.
Enter the default login ID: root (no
password) and click “Login.” The system
information screen will display.
8
Other information
DIN-Rail Assembly Startup, and Dismantling
Assembly: Place the Switch on the DIN rail
from above using the slot. Push the front of
the Switch toward the mounting surface
until it audibly snaps into place.
Startup: Connect the supply voltage to
start up the Switch via the terminal block.
Dismantling: Pull out the lower edge and
then remove the Switch from the DIN rail.
Power wiring information:
Use cable type - AWG (American Wire Gauge) 18-
24 and corresponding pin type cable terminals.
Using torque value 1.7 lb-in, do not use excessive
force when fixing wiring.
The rating of the power wire used must be
at least 105°C.
Label clean up:
Indoor use and pollution degree II, it must
be wiped with a dry cloth for clean up the
labelling.
If the equipment is used in a manner not
specified by the manufacturer, the
protection provided by the equipment may
be impaired.
The Ethernet switch shall be mounted in the
Industrial Control Panel and ambient
temperature should not exceed 75 °C.
Manufacturer information:
ETHERWAN SYSTEMS, INC.
4F-7, No. 79, Sec. 1, Xintai 5th Road, Xizhi
District, New Taipei City 221, Taiwan
Altitude up to 2000 m
Indoor use only
Humidity range (Operational): 5% to 95%,
non-condensation
