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The SWITCH 4008GT Lite-Managed Industrial Ethernet Switch and includes 8-port 

10/100/1000Mbps RJ45 downlink ports.

Connect through Web Browser:
•  Connect your computer to one of the Ethernet ports.

•  Use the default IP-address 192.168.0.254 to login to the switch.

9.  Configuration

Default Username
Default Password

SALZ

admin

NOTE:  For more details on configuration please refer user manual.

6. DIP Switch Setting

Illuminated

Off

PWR

(Green)

Primary power on
Primary power off or failure

Illuminated

Off

RPS

(Green)

Redundant power on
Redundant power off or failure

Illuminated

Off

ALM

(Red)

Alarm triggered for abnormal power status

and anomalous features.
Normal operation or DIP switch OFF

-40°C ... 75°C (-40°F ... 167°F)
-40°C ... 85°C (-40°F ... 185°F)
5 to 95% (non condensing)

Operating Temperature
Storage Temperature 
Ambient relative humidity

ATTENTION:

If the equipment is used in a manner not specified by the SALZ 

Automation GmbH, the protection provided by the equipment may be 

impaired.
ATTENTION:

Please leave at least 5cm of space at the left and right of the unit for 

ventilation.

1

PWR

ON:  Primary power alarm reporting is enabled
OFF:  Primary power alarm reporting is disabled

2

RPS

ON:  Redundant power alarm reporting is enabled
OFF:  Redundant power alarm reporting is disabled

OFF

ON

1
2

1000

(Green)

(1~8

th 

RJ45 port)

Illuminated

Off

Link speed at 1000Mbps

Link speed at 10/100Mbps

LNK/ACT

(Green)

(1~8

th 

RJ45 port)

Port link-up
Activity (receiving or transmitting data)
Port disconnected or link failed

Illuminated

Blinking

Off

Top View

Grounding

Screw

Power Input

Terminal  Block

DIP Switches 

Reset

24~48V

D

C

PWR

+

+

RPS

ALM

OFF

1

2

ON

1 PWR

ALM

RPS

2

LNK/

ACT

1000

1

3

5

7

2

4

6

8

1000Mbps

(Green)

LNK/ACT

(Green)

Grounding Screw

 

1. Overview

2. Package Checklist

• SWITCH 4008GT Switch x 1

Panel view

Address of the manufacturer:

SALZ Automation GmbH

Max-Planck-Str. 64

32107 Bad Salzuflen, Germany 

Email: [email protected]

Please scan for more information:

Removing the Switch

Mounting the Switch

Click

Press the 
switch from 
top and pull 
out the 
lower edge 
of the switch 
and then 
remove the 
switch from 
the DIN rail.

Place the SWITCH 
2008GT on the DIN 
rail from above 
using the slot, push 
the front of the 
switch toward the 
mounting surface 
until it snaps into 
place with a click 
sound.

3. Mounting and Dismounting to DIN-Rail

!

ATTENTION:  Ambient temperature should not exceed 70°C.

4. Grounding the switch SWITCH 4008GT

Step1: Run the ground connection from the ground screw to 

 

the grounding surface prior to connecting devices. 

Step2: Connect the ground connection from the terminal block 

 

to the grounding surface prior to connecting device.

SWITCH 4008GT 

Quick Installation Guide

Front View

You can use “PWR” 
for Primary Power 
input and “RPS” for 
Redundant Power 
Input.  

Terminal Block

Load

External

Power

The SWITCH 4008GT has one set of relay alarm output. This relay contact uses two 
contacts of the terminal block on the  top panel.

The two contacts of the 6-pin terminal block connector are used to detect user-config-
ured events. The two wires attached to the fault contacts form an open circuit when a 
user-configured event is triggered. If a user-configured event does not occur, the fault 
circuit remains closed.

Relay rating: 24V, 1A

5.2 Wiring the relay contact (ALM)

WARNING:

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 that you are using the correct voltage. DO NOT use a voltage greater than 
what is specified on the product label. Calculate the maximum possible current in each 
power wire and common wire. Observe all electrical codes dictating the maximum 
current allowable for each wire size. If current exceeds the maximum rating, the wiring 
can overheat causing serious damage to your equipment.
•  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.

5. Wiring requirements

!

ATTENTION: To be mounted on a well- grounded mounting surface such as a 

metal panel.

!

•  You can use the type of signal transmitted through a wire to determine which wires
 should be kept separate. The rule of thumb is that wiring that shares similar electrical   
 characteristics can be bundled together. 
•  You should separate input wiring from output wiring.
•  We advise that you label the wiring to all devices in the system.

5.1 Wiring Power Input

5.1.1 SWITCH 4008GT with 6pin terminal block

Caution:  

•  Use copper conductors only

•  Wiring cable temperature should 

support at least 105˚C 

•  Tighten the wire to a torque value 

20N

•  The wire gauge for the terminal 

block should range between 0.2 to 

2.5 mm

2

!

To insert power wire and connect the 9 to 48 V DC at a maximum of 0.5 A DC power to 

the power terminal block, Loosen the wire-clamp screws, Insert the negative/positive 

DC wires into the ( - /+) terminals, respectively, and Tighten the wire-clamp screws.

!

ATTENTION:  Please use a power supply from 9 to 48 V DC, the device power 

shall be supplied by SELV circuit.

Connect one end of an Ethernet/RJ45 cable into Ethernet port of SWITCH 4008GT and 

other end to attached networking device. Ports 1-8 of the switch support fast Ethernet 

and Gbit Ethernet (10/100/1000Base-T RJ45 Ports) All the RJ45 ports on the SWITCH 

4008GT support auto negotiation and auto MDI/MDI-X to eliminate the need for 

crossover cabling. Note: Category 5e cable or above should be used.

5.3 Cabling RJ45

7. LED Indicators

8. Environmental limits

ATTENTION:  

This device complies with Part 15 of the FCC rules. Operation is subject to 

the following conditions: 

1. This device may not cause harmful interference.

2. This device must accept any interference received including interference 

that may cause undesired operation.

If the equipment is used in a manner not specified by SALZ Automation, the 

protection provided by the equipment may be impaired.

!

!

!

PWR

RPS

ALM

PWR RPS AL

M

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