Corporate Headquarters Magnum ESD42 Dual-Homing Edge ...

ESD42 Dual-Homing Edge Switch

types offers the best price-to-value ratio for e
package is ideal for network edge installation
mounted to suit any application.

The Magnum Edge Ring Sw
switches include Dual-Homing
feature (factory configurable on
ports 1 and 2 to qualify for any
redundant connected network
structures. The Dual Homing
Feature in ESD42 allows the
Edge switches to provide a
reliable continuous connection at

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17

Installation and User Guide

each user and installation. The compact
ns, and is able to be conveniently Din rail

LK/ LK/ Node
ACT ACT Node
Node
F PWR Node
A

OR
OR

10 11000/
100

1 35
2 46

P ORT 3
4
5
6
PO RT

D

12 VDC 1 AM PMEHadaggnreud mSe wnESiet4 2
10/dh
100
c
1
10/
100

2

Ring Switch Ring Switch

witch Ring Switch Ring Switch Ring Switch

Ring Switch Ring Switch

Dual-Homing in Dual Rings

7

ESD42 Dual-Homing Edge Switch

the edge of the network and thus provide an e
economical cost. The core redundant ring top
Ring, whereas the Dual-Homing Switch will
connection as shown in Fig above. For details
brief, using - http://www.garrettcom.com/te

The Magnum ESD42 regular-pack
are for office and indoor wiring closet enviro
These are the economical base units in the ES
Switch family. An external AC power supply
North America (-d, 115vac 60Hz) or interna
230vac, 50Hz) is included. Fig 2.2a ESD42
10/100 RJ-45 and two Fiber SC Connector

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18

Installation and User Guide

extra boost to the Redundant LANs at
pology can be controlled via STP/RSTP/S-
be securing the Edge-of-the network
s info., please try Dual-Homing technical
echsupport/papers/dualhoming_techbr.pdf.

kage units
onments.
SD42
y for either
ational (-I,

with four
r.

8

ESD42 Dual-Homing Edge Switch

The ambient temperature rating is 0
case with convection cooling is featured. Met

mount tray options are

LK/ LK/
ACT ACT

F The YELLOW la
A Fig 2.2.a, b) units
and use an extern
OR PWR
OR for convection
temperature i
10 11000/ 40°to 85°C.
100

1 35
2 46

PORT 3
4
5
6

PORT

ALA RM

10/100 2
FH2

1 RX

12 VDC 1 AMP Ma gnum E 4 2
Ed g e S w Si t c h

10/
100

TX

Fig 2.2b (ESD42
Fiber

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19

Installation and User Guide

0°C to 40°C, office grade. A robust metal
tal mounting clips are included, and rack-
available.

abeled Magnum ESD42 models (as shown in
s are for office and wiring closet environments
nal AC power supply. A ventilated metal case
cooling is featured. Ambient operating
is 0° to 40°C. Storage temperature rating is -
Metal clips are included for secure panel

-1ff) with five 10/100 RJ-45 and one 100Mb
r (ESD42 -1ff )

9

ESD42 Dual-Homing Edge Switch

mounting and optional DIN-Rail mounting.
mount option via an MC-TRAY.

The regular model, ESD42 , includes Dual-H
Port 1 & 2, MDIX ports and the full range of
options. The regular ESD42 model does not
options for Alarm , DC power terminal block
Rail Mount.

The Magnum ESD42H Hardened
for factory floor applications. The ESD42 H
built with high-grade components and are con
using special thermal techniques and a metal
Fig. 2.2.d Hardened ESD42 H-2ff

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Installation and User Guide

The regular model ESD42 also has a rack-

Homing on
f fiber port
t have
k and Din

units are
models are
nstructed
case for

0

ESD42 Dual-Homing Edge Switch

heavy duty industrial jobs. In addition to a H
for internal DC power choices at 8 to15V, 24
are included. The ambient temperature rating
for industrial use. No internal air flow is requ
so it resists dust, dirt, moisture, smoke and in
options include stand-alone panel-mounting,
rack-mount tray.

The ORANGE labeled Magnum ESD42 H ha
(shown in Fig 2.2d & e) are designed for fact
floor/Industrial applications. Using special th
techniques and a sealed rugged metal case fo
ESD42 H requires no air inflow for cooling, s

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21

Installation and User Guide

Hardened AC power option and jack, terminals

4V or -48V DC LK/
ACT
LK/
F ACT
A

g of –25 to 60C is OR PWR
uired for cooling, OR

10 11000/
100

1 35
2 46

PORT 3
4
5
6

PORT

nsects. Mounting ALARM
DIN-Rail, or
10/100 10/100 2
RX FH2 FH2

Ma 1 RX

H g n um E4 2
n Se d h
a r de w itc

12 VDC 1 AMP Edge S TX

TX

ardened units

tory

hermal

or heavy duty industrial applications, the

so the ESD42 H resists dirt, moisture, smoke

1

ESD42 Dual-Homing Edge Switch

and insects. Choices of models for external

Fig. 2.2e Hardened ESD42 H-2ff

AC or internal DC power are available. Amb
operating temperature is –25°C to + 60°C dep
the power source used. Storage temperature r
25°C to + 85°C.

The RED labeled Magnum ESD42
Premium-rated units are for temperature un
applications (-40 to 75°C), typically located o
The ESD42 P models are built with premium
extended temperature components, and use si
thermal techniques as the ESD42 H Hardened
power option and jack, terminals for internal
DC are included. When used outdoors, the ES
Mounting options include stand-alone panel-m

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22

Installation and User Guide

bient
pending on
rating is –

2P
n-controlled
outdoors.
m-grade
imilar
d units. In addition to a Premium-rated AC

DC power choices at 8 to15V, 24V or -48V
SD42 P should be protected from rain.
mounting, DIN-rail, or rack-mount tray. Fig

2

ESD42 Dual-Homing Edge Switch

2.2f & g, Premium model ESD42 P-1ff & E

LK/ LK/ & g) are premium
ACT ACT

F PWR
A

OR
OR

10 11000/
100

1 35 controlled outdo
2 46

PORT 3
4
5
6

PORT

premium-grade e

ALARM P units use simil

10/100 2 hardened units f
FH2 mounting, DIN-
external AC or i
Ma g n um 1 RX
P r e mi
E 4 2
Ed u Sm
g e S w itc h
12 VDC 1 AMP 10/
100

TX

operating tempe

on the power sou

between –40°C t

All the premium and hard

operated Alarm terminal block for providing e

allows the ESD42 H & P users to be aware and

section 44 for details.

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23

Installation and User Guide

ESD42 P-2ff

The ESD42 P series (as shown in Fig. 2.2f
m rated units suitable for temperature un-
oor applications. Specially designed with
extended temperature components, the ESD42
lar thermal techniques to the ESD42 H
for cooling. Mounting options include panel-
-rail, or rack-mount tray. Choices of models for
internal DC power are available. Ambient
erature is between –40°C to +75°C depending
urce used. Storage temperature rating is
to +85°C.
dened models also come along with hardware
extra reliability to the unit. The Alarm feature
d to monitor any internal power failure. See

3

ESD42 Dual-Homing Edge Switch

The front side of the unit has four/f
one/two 100Mb fiber port. All the RJ-45 port
support auto-cross (MDIX) operation under a
Homing Switches provides switching among
two 100Mb fiber ports which may be SC, ST
The ESD42 ’s breadth of fiber options and w
networking options and solutions in a very sm

Two sets of LEDs to indicating the
top and front (for extra viewing advantage wh
Link and Activity (LK/ACT) LED’s on the to
connected correctly and showing, by blinking
are repeated on the front as 1 (port 1)…6 (po
There is another set of LEDs on the front for

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24

Installation and User Guide

five twisted-pair 10/100Mb switch ports and
ts of the ESD42 Dual-Homing Edge switches
auto-negotiation mode. The ESD42 Dual-
four 10/100 auto-negotiating copper ports and
T, MTRJ or LC multi-mode or single-mode.
well as temperature options provide many
mall footprint.
e operating status of ports are mounted on the
hile rack-mounted). For each port, there are
op indicating that the media cables are
g, when there is traffic. The LK/ACT LED’s
ort 6), whereas on the side as LA1…LA6 .
10 or H and 100 or F, to indicate the data rate

4

ESD42 Dual-Homing Edge Switch

as well as a set to indicate duplex for ports 1
copper ports, whereas F/H indicates Full and

There is a power (PWR) LED to in
ports on the ESD42 Dual-Homing Edge switc
SC, ST or small form factor connector (MTR

The external DC power plug conne
terminal is provided on the rear of the unit.

2.3 Frame Buffering and Latency
The Magnum ESD42 Dual-Homing

switches. Each frame (or packet) is loaded in
forwarding can occur. This technique ensure
length and have the correct CRC, i.e. they are

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25

Installation and User Guide

and 2 only. 10/100 indicates the speed for
Half duplex for fiber ports only.
ndicate that the unit is turned ON. The fiber
ches are multi-mode or single-mode with an
RJ multi mode or LC single-mode).
ector and/or “jack” and the internal DC input

g Edge Switches are store-and-forward
nto the Switch’s memory and inspected before
es that all forwarded frames are of a valid
e good packets. This eliminates propagation of

5

ESD42 Dual-Homing Edge Switch

bad packets, enabling all of the available ban

While other switching technologies
minimal frame latency, they will also permit
network. The "cut-through" technique permi
of late collisions, to be forwarded--which add
filter frames with a bad CRC (the entire fram
calculated). Since collisions and bad packets
and-forward switch technology enables more
when the traffic load is greatest.

To minimize the possibility of drop
Magnum ESD42 Dual-Homing Edge Switch
128KB memory pool, ensuring that heavily u

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26

Installation and User Guide

ndwidth to be used for valid information.
s such as "cut-through" or "express" impose
bad frames to propagate to the Ethernet
its collision fragment frames, which are a result
d to the network traffic. There is no way to
me must be present in order for CRC to be
s are more likely when traffic is heavy, store-
e bandwidth to be available for good packets

pping frames on congested ports, each
dynamically allocates buffer space from
used ports receive very large buffer space for

6

ESD42 Dual-Homing Edge Switch

packet storage. (Many other switches have th

across all ports, resulting in a small, fixed nu

the port buffer fills up, dropped packets resul

capability for the maximum resources of the

applied to all traffic loads, even when the traf

Since the traffic on an operating network is c

and in aggregate density, the Magnum ESD4

adapting internally to provide maximum netw

packets.

When the Switch detects that its fre
industry standard (full-duplex only) PAUSE
cause “flow control”. This tells the sending d
which allows a traffic catch-up to occur witho
buffering and processing resumes. This flow

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27

Installation and User Guide

heir packet buffer storage space divided evenly
umber of packets to be stored per port. When
lt.) This dynamic buffer allocation provides the

Magnum ESD42 Dual-Homing unit to be
ffic activity is unbalanced across the ports.
constantly varying in packet density per port
42 Dual-Homing Edge Switches are constantly
work performance with the least dropped

ee buffer queue space is low, the Switch sends
packets out to the devices sending packets to
devices to temporarily stop sending traffic,
out dropping packets. Then, normal packet
w-control sequence occurs in a small fraction of

7

ESD42 Dual-Homing Edge Switch

a second and is transparent to an observer.

Another feature implemented in Magnum ES
collision-based flow-control mechanism (whe
Switch detects that its free buffer queue space
from entering by forcing a collision signal on
incoming traffic.

The latency (the time the frame spe
forwarded to its destination) of the ESD42 D
port-speed types. The length of the frame is
switches. For 10 Mb-to-10 Mb, 10 Mb-to-10
latency is 15 microseconds plus the packet tim
forwarding, the latency is 5 microseconds plu

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Installation and User Guide

SD42 Dual-Homing Edge Switches is a
en operating at half-duplex only). When the
e is low, the Switch prevents more frames
n all receiving half-duplex ports in order to stop

ends in the Switch before it is sent along or
Dual-Homing Edge Switches varies with the

a variable as it is with all store-and-forward
00Mb or 100Mb-to-10 Mb forwarding, the
me of 10 Mb. For 100Mb-to-100Mb
us the packet time of 100Mb.

8

ESD42 Dual-Homing Edge Switch

2.4 Features and Benefits
„ Full 100Mb or 10 Mb switch
Magnum ESD42 Dual-Homin
all ports. They perform high s
giving each port’s segment a f

„ Reduces Network Costs and

Magnum ESD42 Dual-Homin
efficiently and inexpensively c
10Mb or 100Mb and help to e
convenient and economical wa
„ Dual Homing feature for ext

Dual-Homing Technology allo
through redundant solution on
network connection via contin

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29

Installation and User Guide

hing services for high performance Ethernet
ng Switches provide Fast Ethernet switching on
speed filter/forward operations on the traffic,
full 100Mb (or 10 Mb) of bandwidth.

provide economical & reliable solution
ng Switches offer the ideal solution to
connect a Twisted Pair and fiber network with
expand the Ethernet network in a very
ay along with reliable dual homing features.
tra reliability to redundant network
ows the Ethernet LAN topology an extra boost
n edge-of–the network and boost reliability in
nuous availability approach.

9

ESD42 Dual-Homing Edge Switch

„ Choice of one or two100Mb
multi-purpose media Edge Sw
convert the media from coppe
as diagnostic port or for more

„ Installation is “Plug and Play
The Magnum ESD42 Dual-Ho
only forwarding those packets
other domains. Internal addre
change port connections or 10

„ Two sets of LEDs for viewin
Each ESD42 Dual-Homing Ed
side) of LEDs to provide statu
angle or mounting arrangemen
mounted.

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30

Installation and User Guide

Fiber option, more efficient: Designed as a
witch, the 100Mb fiber port allows the user to
er to fiber and the other RJ-45 port can be used

connectivity.
y”, operation is transparent to software
oming Switches operate as hardware switches,
s from each domain that are needed on the
ess tables are self-learning, enabling users to
0/100 domains without affecting operations.
ng status from any angle.
dge Switch is equipped with two sets (front and
us information when viewed at almost any
nt whether rack (MC14- Tray) or Din-Rail

0

ESD42 Dual-Homing Edge Switch

„ Rugged metal case, Industria
design and are packaged in a r
reliability and durability even
applications.

„ Qualified to use for tempera

The Magnum ESD42 P Premi
ambient temperature rating be
qualify for temperature un-con
„ Efficient Compact design, fo

Featuring a compact Aluminum
power supply, Magnum ESD4
installed in small spaces in cab
Rail mounted and in trays such

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31

Installation and User Guide

al grade ESD42 Dual-Homing have a robust
rugged sheet metal enclosure to ensure high
when placed in industrial or outdoor

ature un-controlled “outdoor” application
ium rated versions of Edge Switches have an
etween –40ºC to +75ºC for DC models and
ntrolled “outdoor” application.
or all purpose convenient mounting
m case with an external AC and internal DC
42 Dual-Homing of Edge Switches can be
binets, on table tops, in racks, walls or DIN-
h as the Magnum MC14-TRAY.

1

ESD42 Dual-Homing Edge Switch

„ MDIX ports to eliminate cro
Magnum ESD42 Dual-Homin
cross), which easily allow casc
Edges without using the cross-

„ Hardware operated Alarm t

The Alarm contact option on E
internal power failure, and pro

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32

Installation and User Guide

oss-over cable while cascading All the
ng Switches are featured with MDIX (auto-
cading with other Switch, Hubs or media
-over cable.
terminal block for ESD42 H and ESD42 P
ESD42H and ESD42P enables monitoring for
ovides extra reliability to the hardened Switch

2

ESD42 Dual-Homing Edge Switch
2.5 Applications for ESD42 Dual-Homing

Available in three “hardiness” mod
“Hardened”, Red- “Premium rated (outdoor)”
Magnum ESD42 Dual-Homing Edge Switche
enable users to scale their networks quickly a
reliable connectivity solutions offered by Ma
economical, and reliable solutions as well as
to provide extra boost through reliable contin
ESD42 Dual-Homing assists fast expanding n
support and extra reliability to the redundant
functions support a mixed environment of 10
fiber media. The switched full duplex fiber p
distance support. The dual homing feature of

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33

Installation and User Guide

g Edge Switches
dels (Yellow - “office/wiring closet”, Orange –
”), and hundreds of port-type combinations,
es fit very well in almost any environment to
and cost effectively. The edge-of-the-network
agnum Edge Switches provide convenient,
an active role on the redundant network setup
nuous connection. The compact Magnum
network requirements via providing edge

connectivity. The Dual-Speed and Dual-media
0 Mbps and 100Mbps users with copper and
ports also provide high bandwidth and longer
f 100Mb fiber on Ports 1 and 2 enable easy

3

ESD42 Dual-Homing Edge Switch

expansion for the on-going demand of Ethern
auto-negotiating MDIX copper ports and the
interfacing with existing cable plant and equi
available for even the most extreme temperat
extra support in the harshest industrial enviro
to provide the extra reliability to the redundan
provide an extra boost to the edge-of the netw

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34

Installation and User Guide

net networks with reliability. The 10/100Mbps
breadth of 100Mbps fiber ports enable easy
ipment. Models of ESD42 Edge Switches are
tures. The ESD42 ’s rugged case provides
onments. Dual-Homing is an additional feature
ant network and an economical solution to
work connection.

4

ESD42 Dual-Homing Edge Switch

Example1. Supermarket LK ACT
application for ESD42 10RFO100ORA

1

D

FAF 1 M
2 0 ag
L6TX nu
R 1 m
3 6K
5 16
V
FA 7

T

L

R1 AA42 L A
3L L

56

78

1 F 1 F
0 0

Factory
Floor PLC

2 FAF 1 M
LXT6 0 ag
R nu
1 m
3 6K
5 16
V
FA 7

T

L

R1 AA24 L A
3L L

56

78

1 F1 F
0 0

Factory
Floor PLC

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35

Installation and User Guide

CT Node
LK ACT

2 3 4 5 6 10100

10 010 10 001

LX2T6 FAF 1 M FAF 1 M T26XL FAF 1 M
R 0 ag 2 0 ag R 0 ag
nu LXT6 nu nu
1 m R 1 m 1 m
3 6K 3 6K 3 6K
5 16 5 16 5 16
V V V
FA 7

T

L

FA 7 R1 AA42 L FA 7
3L L
T A T

L 56 L

R1 AA42 L 78 R1 AA42 L
3L L 3L L
A A

56 56

78 78

1 F 1 F
0 0

1 F1 F 1 F 1 F
0 0 0 0

Factory 2 FAF 1 M Factory Factory 2 FAF 1 M
Floor PLC XL6T 0 ag Floor PLC Floor PLC LXT6 0 ag
R nu R nu
1 m 2 FAF 1 M 1 m
3 6K LX6T 0 ag 3 6K
5 16 R nu 5 16
V 1 m V
FA 7 3 6K FA 7
T 5 16 T
V
L L

R1 AA24 L FA 7 1R AA24 L
3L L 3L L
A T A

56 L 56

78 R1 AA24 L 78
3L L
A

56

78

1 F1 F 1 F1 F
0 0 00

1 F1 F
0 0

Factory Factory Factory
Floor PLC Floor PLC Floor PLC

5

ESD42 Dual-Homing Edge Switch

In this example, the supermarket re
all the transaction happens every day along w
by expanding the network and terminals. Thi
economical Magnum ESD42 Dual-Homing E
ESD42 will provide continuous flow of data
will be deployed in a secured ring topology a
ESD42 at the EDGE along with Dual-homing
Additional functionality includes the ability t
multi- or single–mode fiber while securing th

The ESD42 ’s six ports in a small,
for transferring real-time transactions from th
room. The easily deployable through Din-rail
flexibility along with flavor of fiber option fo
requirements of supermarket. The plug-n-pla
solution but also reduces operational costs sig

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36

Installation and User Guide

equired a secure Data Mining storage to store
with an ongoing demand of traffic to be reduce
is reliable need can be easily met using the
Edge Switch. The dual homing feature on
and boost up the reliability. The entire network
and each master switch will be connected to
g feature as shown in the picture above.
to transfer data across large distances with
he LAN from EMI and wire tapping.
reliable enclosure provide an effective solution
he store to the storage device in the control
l option and the dual power source of
or distance, the ESD42 easily meets all the
ay ESD42 Dual not only provides a reliable
gnificantly.

6

ESD42 Dual-Homing Edge Switch

Example 2: Dual-Homing for Media Re

A simple but occasionally us
application for a Dual-Homing Switch is
provide for media redundancy. Where ther
significant risk of media faults (for exam
where the media is attached to a movable dev
and is flexed during normal operation, or wh
undependable wireless interconnects
utilized, or where part of the media path
exposed in a high-security situation), me
redundancy adds essential connectivity uptim

For media redundancy, both port
and 2 (the Operating Port and the Standby P
are connected to the same switch upstre
Media types for ports 1 and 2 may be ei
copper or fiber, and each port’s media type
be configured independent of the other. Add
inserted so long as the Link signal is pas
switchovers between the Operating and Stand

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37

Installation and User Guide

edundancy

seful

s to Dual-Homing for Media
re is
mple, LK ACT LK T
10OFR100ORA AC

12 3 4 5 6 10 100

D

vice

here 10 001 10 010

are

h is

edia

me. Magnum 6K25
ts 1
Port) MMaaggnnuumm P 1 3 1 3 AC F/
A 10/ A
MFaibnearged 10/ F/ L F/ L L 10/
T AC FA/ C T AC AC F/
Swi LK R F/ LK R 24
FA/ C 2 TX L L 13 10/
F/
GARR 2 TX L

eam.

ither

can

ditional media types (such as wireless) may be

ssed through to provide a reliable signal for

dby Ports of the ESD42.

7

ESD42 Dual-Homing Edge Switch

Example 3: ESD42 P for transportation su
In this example, the Magnum ESD4

serve as a secure corporate or transportation s
spread out over many miles in temperature un
zoom (PTZ) controlled through an Ethernet c
provide two fiber segments for secure long di
installed in temperature un-controlled cabine
power options. The four copper ports at the r
Ethernet equipment such as motion detectors
personnel with up-link for access to a central

The ideally suited ESD42P with its
approvals and cost-effective solution, make a
redundant setup will increase the higher relia
operation and protect from any device failure

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38

Installation and User Guide

urveillance system:
42P premium Edge Switches are deployed to
surveillance system. CCTV cameras may be
n-controlled locations and with pan, tilt and
copper port .The premium Edge Switches
istance (2-40km) communication while being
ets and allowing a full range of AC and DC
remote location provides access for other
s or will act as a test port for maintenance
l LAN and central file servers.
s dual-homing features, premium rated
an ideal choice in outdoor environments. The
ability and secured redundant network
e.

8

1 1 0 OR F ALCKT/ ESD42 Dual-Homing Edge Switch
2 1 00 OR A

www . GarrettCom . com 3 ALCKT/
4
5
6

1 1000/

10 /10 0
TX R X FH2

1 10 OR F ALCKT/ TX RX 10 /100
2 1 00 OR A FH2

3 ALCKT/
4
5
6

11000/

TX 10 /1 00
RX FH2

TX RX 10/100
FH2

Video i Mac

Video

i Ma c

1 10 OR F ALCKT/
2 1 00 OR A

3
4
5
6

1 0/ ALCKT/
10 0

10 /100
TX RX FH2

i Mac TX RX 10/1 00
FH2
Video
ES42p in a Outdoor application 2 4 6 8 1 0 12 14 16 1 35 7

9 11

13 15

18 17 19 21 23

20 2 2

24

ACT 1
FH/ ACT
ACT F/H
FH/ ACT
F/H
2

10 OR F ALCKT/ 3
100 OR A
1 46
2 5

3 7
4 ACT
5 F/H
6 ACT
F/H

ACT
FH/
ACT
FH/

8

1 0/ ALCKT/
10 0

10 /1 00
TX R X FH2

TX RX 10 /1 00
FH2

i Mac

39 Vid 10 OR F L
10 0

9 deo 1 0 0 OR A ALCKT/
2

3
4
5
6

1 0/ ALCKT/
10 0

1 0/1 00
TX R X FH2

TX RX 10 /100
FH2

1 1 0 OR F ALCKT/
2 1 00 OR A

3 ALCKT/
4
5
6

1 1000/

TX 10 /10 0
RX FH2

iMac T X R X 10 /10F0H2

Video i Mac Installation and User Guide

Video

ESD42 Dual-Homing Edge Switch
3.0 INSTALLATION

This section describes the installati
Switches, including location, mountings, pow

3.1 Locating the Edge Switch Unit

All the ESD42 Dual-Homing Switc
mode. The store and forward switch easily ta
a useful, economical tool to expand an existin
design of the Magnum ESD42 Dual-Homing
location. A Velcro strip may be used for mou
wall or cabinet, or for securing the unit on a t
mounting clips and screws are included for a
orientation.

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40

Installation and User Guide

ion of the Magnum ESD42 Dual-Homing Edge
wer supply options and media connection.

ches operate in transparent half-and full-duplex
akes care of network traffic and can be used as
ng network. The compact and lightweight

allows it to be easily installed in almost any
unting the unit on a vertical surface such as a
table-top or shelf. Alternatively, metal
rugged and secure mounting in any

0

ESD42 Dual-Homing Edge Switch

Installation of the Magnum ESD42 Dua
procedure. The installation location is depen
network and associated
cabling. Make sure the
unit is installed in a
location that is easily
accessible to an AC
power outlet or the
appropriate DC source
and where cooling is not
inhibited. The green
Power (PWR) LED must
turn ON when power is
applied.

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41

Installation and User Guide

al-Homing Edge Switches is a simple
ndent upon the physical layout of the Ethernet

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