Tripp Lite NFI-U08-2A User manual
1
8-Port Unmanaged Industrial
Fast 10/100 Ethernet Switch
with EIP QoS, DIN or
Wall-Mountable
Model: NFI-U08-2A
1111 W. 35th Street, Chicago, IL 60609 USA • tripplite.com/support
Copyright © 2023 Tripp Lite. All rights reserved.
Owner's Manual
WARRANTY REGISTRATION
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2
• NFI-U08-2A Ethernet Switch
• DIN Rail-Mounting Clip (Preinstalled)
• Owner’s Manual
• 8 auto-negotiable 10/100 Mbps RJ45 ports
• Supports 10/100Base-T, Full Duplex and auto MDI/MDI-X
crossover function
• Rugged high-strength case
• Industrial temperature switch models support operating
temperature range of -40°F to 167°F (-40°C to 75°C)
• Easy-to-read LEDs indicate connection and activity status for
each port
• Meets the following IEEE standards:
o IEEE 802.3 10Base-T
o IEEE 802.3u 100Base-TX
o IEEE 802.3 Auto Negotiation
o IEEE 802.3x Flow Control
o IEEE 802.1p Class of Service
• Supports MAC address auto-learning and auto-aging
Package Contents
Product Features
3
Product Features
Optional Accessories
• EIP/QoS/Flow and Storm Control
•Preinstalleddurablerailclipmountsrmlytoanystandard
35 mm DIN rail
• N001-Series Cat5e 350 MHz Snagless UTP Cables
• N002-Series Cat5e 350 MHz UTP Ethernet Cables
• N200-Series Cat6 Gigabit Molded UTP Ethernet Cables
• N201-Series Cat6 Gigabit Snagless Molded UTP Ethernet
Cables
4
DIN Rail
Grounding
Screw
Power Input
Terminal Block
DIP Switches
Top View
Front View
100 Mbps
LNK/ACT
Grounding Screw
PWR
RPS
ALM
8-Port Unmanaged Industrial Fast 10/100 Ethernet Switch with
EIP QoS, DIN or Wall-Mountable
Product Overview
5
DIN-Rail Mounting and Dismounting Instructions
Mounting the Switch Removing the Switch
Click
Push Push
Click
ATTENTION: The NFI-U08-2A is an open-type device
and shall be DIN-rail mounted or wall mounted
(optional) in a cabinet or rack enclosure. The
ambient temperature should not exceed 75°C
(167°F).
Mounting the Switch
Place the switch on the DIN rail from above using the built-in
slot. Push the front of the switch toward the mounting surface
until it snaps into place. You will hear a “click” to indicate it has
successfully snapped into place.
Dismounting the Switch
Press the switch from the top, then pull out the lower edge of the
switch to remove it from the DIN rail.
6
DIN-Rail Mounting and Dismounting Instructions
ATTENTION: A corrosion-free DIN mounting rail is
advisable. When mounting the switch, be sure to
allow enough space between devices to install the
cablingandtoensureproperairow.
Grounding the Switch
Grounding and wire routing help limit the effects of line noise
caused by electromagnetic interference (EMI). Run the ground
connection from the ground screw to the grounding surface, then
connect the ground connection from the terminal block to the
grounding surface prior to connecting devices.
ATTENTION: This switch is intended for mounting on a well-
grounded surface, such as a metal panel.
7
WARNING: Safety measures should be taken before
connecting the power cable. Turn off the power before
connecting modules or wires. The correct power supply
voltage is listed on the product label. Check the voltage
of your power source to make sure you are using the
correct voltage. DO NOT use a voltage greater than
whatisspeciedontheproductlabel.Calculatethe
maximum possible current in each power wire and
commonwire.Conrmallelectricalcodesdictatingthe
maximum current allowable for each wire size. If current
exceeds the maximum rating, the wiring can overheat
causing serious damage to your equipment.
Please read and follow these guidelines:
• Use separate paths to route wiring for power and devices. If
power wiring and device wiring paths must cross, make sure the
wires are perpendicular at the intersection point.
Note: Do not run signal or communications wiring and power wiring
through the same wire conduit. To avoid interference, wires with
different signal characteristics should be routed separately.
• You can use the type of signal transmitted through a
wire to determine which wires should be kept separate.
Wiring that shares similar electrical characteristics can be
bundled together.
• You should separate input wiring from output wiring.
• Be advised that you should label the wiring to all devices
in the system.
Wiring Requirements
8
Wiring Requirements
Wiring Power Input
You can use “PWR” for Primary Power input and “RPS” for
Redundant Power Input. Check the polarity while connecting. The
topviewoftheTerminalBlockisshowninthegurebelow:
CAUTION:
• Use copper conductors only.
• Wiring cable temperature should support at least 105°C
(221˚F).
• Tighten the wire to a torque value 0.5 N•m (4.5 in•lb).
Note: The wire gauge for the terminal block should range between 12 and
24 AWG.
Terminal Block
PWR
RPS
ALM
9
Wiring Requirements
Toinsertpowerwireandconnectthespeciedvoltageand
maximum electric current to the power terminal block, follow these
steps:
•Useaat-headscrewdrivertoloosenthewire-clampscrews.
• Insert the negative/positive DC wires into the PWR-/PWR+
terminals, respectively.
• Tighten the wire-clamp screws to prevent the wires from
loosening.
ATTENTION: Use a power supply from 12~48VDC, 0.5A maximum.
The device power shall be supplied by LPS circuit.
10
Wiring Requirements
Wiring the Relay Contact (ALM)
The switch has one set of relay alarm output. This relay contact
uses two contacts of the terminal block on the switch top panel.
The two contacts of the 6-pin terminal block connector are used
todetectuser-conguredevents.Thetwowiresattachedtothe
faultcontactsformanopencircuitwhenauser-conguredevent
istriggered.Ifauser-conguredeventdoesnotoccur,thefault
circuit remains closed.
Load
Relay rating: 24V, 1A
External
Power
PWR
RPS
ALM
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