Siemens SCALANCE X108 6GK5108-0BA00-2AA3 Eight-Port Ethernet Switch

Overview

Siemens · SCALANCE X-100

6GK5108-0BA00-2AA3 SCALANCE X108 Industrial Ethernet Switch

Siemens 6GK5108-0BA00-2AA3 is the SCALANCE X108 unmanaged Industrial Ethernet switch with eight 10/100 Mbit/s RJ45 ports, LED diagnostics, redundant power connection and a signaling contact.

At a Glance

Brand	Siemens
Model	6GK5108-0BA00-2AA3
Product Type	Unmanaged eight-port Industrial Ethernet switch
Core Function	Connects up to eight copper Industrial Ethernet devices at 10 or 100 Mbit/s
Application or Compatible Series	Machine-level Industrial Ethernet networks

Copper Topology

Map all eight RJ45 links and record the existing cable order.

Power Redundancy

Restore both 24 V DC feeds when the cabinet uses redundant supply paths.

Alarm Contact

Reconnect and test the signaling contact and SET pushbutton behavior.

Product Overview

Siemens 6GK5108-0BA00-2AA3 is the SCALANCE X108 unmanaged Industrial Ethernet switch with eight 10/100 Mbit/s RJ45 ports, LED diagnostics, redundant power connection and a signaling contact.

Connects eight copper Industrial Ethernet nodes at 10 or 100 Mbit/s. Operates without a separate switch configuration project. Provides front LEDs, redundant supply inputs and a signaling contact.

Ordering focus: confirm the X108 variant, eight RJ45 links, both 24 V DC feeds, mounting rail, fault-contact wiring and port assignment.

Key Functions

Eight RJ45 Ports

Connects eight copper Industrial Ethernet nodes at 10 or 100 Mbit/s.

Unmanaged Switching

Operates without a separate switch configuration project.

Cabinet Diagnostics

Provides front LEDs, redundant supply inputs and a signaling contact.

Official Specifications

Copper Ethernet Ports	8 RJ45
Port Data Rate	10 or 100 Mbit/s
Switch Management	Unmanaged
Transmission Medium	Industrial Ethernet twisted pair
Auto Negotiation	Available
Auto Crossover	Available
Redundant Supply Input	Two 24 V DC feeds
Signaling Contact	Integrated fault contact
SET Pushbutton	Integrated
LED Diagnostics	Port and device status indication
Mounting Options	DIN rail or S7-300 rail
Degree of Protection	IP20
Net Weight	0.979 kg
Packaging Dimensions	19.2 x 24.7 x 14.2 cm

Official source:Siemens official technical data for 6GK5108-0BA00-2AA3.

Frequently Asked Questions

How many devices can I connect directly to 6GK5108-0BA00-2AA3?

The switch provides eight copper RJ45 ports for Industrial Ethernet nodes.

Do I need configuration software for 6GK5108-0BA00-2AA3?

The unmanaged switch forwards Ethernet traffic without a separate configuration project.

Can 6GK5108-0BA00-2AA3 use redundant power feeds?

Two 24 V DC inputs can be wired for a redundant supply arrangement.

What does the signaling contact do on 6GK5108-0BA00-2AA3?

The contact reports the configured device fault condition to external monitoring hardware.

Which mounting rail fits 6GK5108-0BA00-2AA3?

Install it on the approved DIN rail or SIMATIC S7-300 mounting rail arrangement.

What should I record before replacing 6GK5108-0BA00-2AA3?

Label all eight network cables, both supply feeds and the signaling-contact wiring.

What should I test after installing 6GK5108-0BA00-2AA3?

Check every link LED, Ethernet path, redundant power feed and signaling-contact response.

Compatibility & Ordering Notes

Before ordering 6GK5108-0BA00-2AA3: confirm the X108 variant, eight RJ45 links, both 24 V DC feeds, mounting rail, fault-contact wiring and port assignment.

Compatibility Checklist

• Use copper Industrial Ethernet links operating at 10 or 100 Mbit/s.
• Restore the redundant supply and signaling contact exactly as recorded.
• Preserve the physical port map even though the switch is unmanaged.

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