EX77
Copyright 2018 EtherWAN Systems, Inc.
Page 1
All Rights Reserved
EX73900 Series Hardened Managed Ethernet Switch
EX73900 rev. 3.0
04/13/2018
Installation Guide
W70G-EX73900Q3
1
Unpacking
Unpack the items. Your package should include:
One EX73900 Series hardened managed
switch
One console cable
If items are missing or damaged, notify your
EtherWAN representative. If possible, save the
carton and packing material. The full product
manual can be downloaded from:
https://www.etherwan.com/support/product/e
2
What Else You Need
Category 5 or better cable for RJ-45 ports
Appropriate SFP cable for SFP ports
Personal computer with a DB9 straight cable
(if switch is to be managed through console
port)
3
Select a Location
Installations: DIN-Rail mount, wall (in an
enclosure or industrial panel)
Identify a power source within 6 feet (1.8
meters).
Choose a dry area with ambient
temperature between -40 and 75ºC (-40 and
167ºF).
Be sure there is adequate airflow.
4
Connect to the Data Ports
Depending on the model, your switch can have
the following ports:
12 10/100/1000BASE-TX ports
Gigabit SFP slots
10/100/1000BASE-TX Ports
Ports 1 to 12 are gigabit copper ports and can be
connected to routers, other switches, or end
devices. Use category 5e or higher UTP/STP
cable.
1 Gbps SFP Ports
Your switch model has four 1 Gbps SFP slots. SFP
transceivers can be installed directly into ports
13 – 16. Ensure that the same type of transceiver
is used at both ends of the link and that the
correct type of fiber cable is used.
5
Apply Power
The switch has two pairs of power inputs:
A 12-48 VDC terminal block
The power dissipation under full load is as
follows:
12V/1.44A 24V/0.67A 48V/0.33A
Redundant power supply is supported. However,
only one power input is required to operate the
switch.
Note: Use qualified power supply by SELV or
double insulation of UL60950 or UL61010-1 or
UL61010-2-201 standards.
Terminal Block
The switch provides two power inputs on a 12-
48VDC terminal block. Only one power input is
required to operate the switch. The terminal
block has 5 terminal posts.