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JetNet 5428G-20SFP Series Industrial 8FE+16SFP+4G Gigabit Managed Switch 

Quick Installation Guide V1.0

The JetNet 5428G-20SFP Series is a 19-inch Gigabit Industrial switch, equipped with 8 100 
Base-TX ports, 16 100 SFP, and 4 100/1000 RJ-45/SFP combo ports. JetNet 5428G-20SFP is 
a special design for industrial control rooms where high-port density and performance are 
required.

Dimension

JetNet 5428G-20SFP Industrial 8FE+16SFP+4G Gigabit Managed Ethernet Switch dimension 
(H x W x D) is 43.6mm (H) x 431mm (W) x 375mm (D).

Front-Panel Components

The front panel includes RJ-45 based RS-232 console port, USB port, System & port LEDs, 
Gigabit Ethernet port interfaces and Gigabit combo Port interfaces.

LED Indicators

Back-Panel Components

The back panel of the JetNet 5428G-20SFP-AC consists of 1 AC power input and 1 relay 
output. The back panel of the JetNet 5428G-20SFP-2DC consists of 2 DC power inputs and 
1 relay output.
JetNet 5428G-20SFP-AC:

JetNet 5428G-20SFP-2DC:

Package Check List

 

The Rack Mount Managed Ethernet Switch 

 

Console cable

 

Rack Mount kit

 

Power Cord (Depend on Country, JetNet 5428G-20SFP-2DC no Power Cord)

 

QIG

Overview

Interface Introduction

A Beijer Electronics Group Company

Installation

Mount the Switch to 19’’ rack

1. Attach the brackets to the device by using the 
screws provided in the Rack Mount kit.
2. Mount the device in the 19’’ rack by using four 
rack-mounting screws provided by the rack 
manufacturer.
3. When installing multiple switches, mount  them in 
the rack one below the other.

Power the unit and connect to network Cable
Wiring Power Inputs 

AC Power Input:

 connect the attached power cord to the AC power input connector, the 

available AC power input is range from 90-264VAC.

DC Power Input: 

the suggested power input is 24VDC or 48VDC, the available range is 

from 18-75VDC. Follow below steps to wire JetNet 5428G-20SFP-2DC redundant DC 
power inputs.
1. Insert positive and negative wires into V+ and V- contacts respectively of the terminal 
block connector.
2. Tighten the wire-clamp screws to prevent DC wires from being loosened.
3. DC1 and DC2 support polarity reverse protection functions.

Wiring Digital Output

JetNet 5428G-20SFP provides 1 digital output, also known as relay output. The relay 
contacts are energized (open) for normal operation and will close for fault conditions. The 
fault conditions include power failure, Ethernet port link break or other pre-defined events 
which can be configured in JetNet 5428G-20SFP UI.

Wiring Earth Ground

To ensure the system will not be damaged by noise or any electrical shock, we suggest you to 
make exact connection with JetNet 5428G-20SFP with earth ground.
For AC input, the 3 pin include V+, V- and GND. The GND pin must be connected to the 
earth ground. 
For DC input, loosen the earth ground screw by screw drive; then tighten the screw after 
earth ground wire is connected.

Note: 

Check if the rack environment temperature conforms to the specified operating 

temperature range. Do not place any equipment on top of the switch and please properly 
grounded.

8 100Base-TX, 16 100 SFP, 4 100/1000 RJ-45/SFP combo ports, Ind. 
Gigabit Managed Ethernet Switch,-40~75°C, AC power

8 100Base-TX, 16 100 SFP, 4 100/1000 RJ-45/SFP combo ports, Ind. 
Gigabit Managed Ethernet Switch,-40~75°C, dual DC power

Model Name

Description

JetNet 5428G-20SFP-2DC

JetNet 5428G-20SFP-AC

1 AC power input and 1 relay output.

2 DC power inputs and 1 relay output.

JetNet 5428G-20SFP-AC

JetNet 5428G-20SFP-2DC

Model Name

Back-Panel Components

LED

Color

Function 

Alarm

Red

Power failure, port failure, ping failure,

login failure, RSR topology change

R.S.

Lit Green

MSR in normal state 

Lit Yellow

MSR in abnormal state 

Not Lit

MSR function not active 

Flashes Green

Incorrect configuration of MSR, ex. ring 

not connected to ring port 

Flashes Yellow

The break has been detected to be 

local to one of the ports 

PWR

Green

Power (AC/DC) on

Sys

Green

System on

1-8 10/100 

Copper

Lit Green/Flashes Green

Link/Activity

Lit Yellow

Duplex

9-24 SFP

Lit Green/Flashes Green

Link/Activity

G25-G28 

Giga SFP

Lit Green/Flashes Green

Link/Activity

G25-G28 

Giga Copper

Lit Green/Flashes Green

Link/Activity

Yellow On/Off

1000Mbps/(10/100Mbps)

2

4

6

8

1

3

5

7

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

G26

G28

G27

LNK/ACT

SPEED

G25

LNK/ACT

Duplex

Console

USB

PWR
1

2

3

Alarm

Sys

R.S.

Industrial 24+4G Gigabit

Managed Ethernet Switch

10

9

12

11

14

13

16

15

18

17

20

19

22

21

24

23

26

25

28

27

2

4

1

3

LNK/ACT

Duplex

Console

USB

PWR

1

2

3

Alarm

Sys

R.S.

25

26

27

28

G26

G28

G27

LNK/ACT

SPEED

G25

26

25

28

27

--

<

-

1A@24V

--

<

-

PWR1

100-240VAC, 50-60Hz,0.6A

18-75VDC,1.5A

PWR2 PWR3

--

<

-

1A@24V

--

<

-

PWR1

100-240VAC, 50-60Hz,0.6A

18-75VDC,1.5A

PWR2 PWR3

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