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6GK5108-2BD00-2AB2

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Siemens 6GK5108-2BD00-2AB2 is a SCALANCE XB108-2 unmanaged Industrial Ethernet switch that joins eight copper devices to two 100 Mbit/s multimode fiber links.
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Technical specifications for 6GK5108-2BD00-2AB2

  • Manufacturer:
    Siemens
  • Part Number:
    6GK5108-2BD00-2AB2
  • Product Family:
    Siemens SCALANCE
  • Product Type:
    SCALANCE XB108-2 Unmanaged Industrial Ethernet Switch
  • Stock:
    1
  • Copper Ethernet Ports:
    8 RJ45 ports
  • Copper Data Rate:
    10/100 Mbit/s
  • Fiber Ethernet Ports:
    2 multimode SC ports
  • Fiber Data Rate:
    100 Mbit/s
  • Fiber Standard:
    100BASE-FX
  • Network Topologies:
    Star and line
  • Switch Operation:
    Unmanaged
  • PROFINET Conformance:
    Class A
  • Parallel Redundancy Protocol:
    Supported
  • Power Inputs:
    Redundant 24 V AC/DC
  • Permissible Supply Range:
    19.2 to 28.8 V AC/DC
  • Maximum Current Consumption:
    0.3 A
  • Maximum Power Loss:
    7.2 W
  • Recommended Supply Fuse:
    0.6 A / 60 V
  • Diagnostics:
    Power, port and fault LEDs
  • Protection Rating:
    IP20
  • Operating Temperature:
    0 to 60 °C
  • Storage and Transport Temperature:
    -40 to 80 °C
  • Maximum Relative Humidity:
    95%
  • Mounting:
    35 mm DIN rail
  • Weight:
    0.9744 lbs (0.442 kg)
  • Estimated shipping dimensions:
    12x12.5x14.7cm
  • Tariff Code:
    85176200
  • Country of origin:
    Germany
  • Place of shipment:
    Xiamen,Fujian,China
By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

More Information

Overview Manuals Copper Ports Fiber Uplinks Redundant Power Network Status

Features:

  • Eight RJ45 ports collect local 10/100 Mbit/s Ethernet devices.
  • Two 100BASE-FX multimode SC ports continue the network across optical segments.
  • Redundant AC/DC inputs and front LEDs expose the switch power and link condition.
Incoming frames are associated with their source port by the unmanaged forwarding logic.

Known unicast traffic leaves through the required copper or fiber interface while broadcast traffic reaches the relevant network segment.

The switch needs no IP configuration, but each physical port and fiber pair retains a defined topology role.

The Siemens 6GK5108-2BD00-2AB2 SCALANCE XB108-2 Switch may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).
Siemens 6GK5108-2BD00-2AB2 SCALANCE XB108-2 Switch Manuals,Datasheets,Link Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.

Collecting eight local Ethernet devices on one unmanaged switch

  • RJ45 links: Each port negotiates 10 or 100 Mbit/s communication.
  • Address learning: The switch associates source addresses with receiving ports.
  • Frame forwarding: Known traffic leaves toward the learned destination.
  • Local map: Cable labels keep controller and device connections identifiable.

Extending the same Ethernet network over two optical paths

  • SC interfaces: Both ports use multimode 100BASE-FX connections.
  • Fiber pair: Transmit and receive strands remain correctly crossed at each link.
  • Galvanic separation: Optical media removes the conductive path between locations.
  • Topology role: The two links can serve line, star or documented PRP arrangements.

Feeding the switch through two independent supply entries

  • Input type: The switch accepts 24 V AC or DC within the documented range.
  • Dual paths: Either redundant input can power the internal electronics.
  • Protection: Upstream circuits use the recommended 0.6 A fuse boundary.
  • Power state: Front indication shows which operating condition is present.

Diagnosing physical links without management software

  • Power LED: Supply state is visible at the switch.
  • Port LED: Each copper and fiber interface reports its link condition.
  • Traffic path: Cable and remote-device tests identify the failed segment.
  • Protocol boundary: Class A PROFINET traffic is forwarded without switch parameterization.
Description
Siemens 6GK5108-2BD00-2AB2 is a SCALANCE XB108-2 unmanaged Industrial Ethernet switch. It forwards traffic between eight 10/100 Mbit/s copper connections and two 100 Mbit/s multimode fiber connections without a management configuration.

The eight RJ45 interfaces of 6GK5108-2BD00-2AB2 collect nearby controllers, operator devices and other Ethernet nodes. Its two SC optical ports extend the same Layer 2 network across 100BASE-FX multimode fiber, separating the conductive paths between network locations.

Redundant 24 V AC/DC inputs feed 6GK5108-2BD00-2AB2, so either documented supply path can sustain the switch electronics. Front LEDs expose power and link conditions for local diagnosis while normal frame forwarding continues without an IP address.

Because 6GK5108-2BD00-2AB2 supports star and line structures as well as the documented PRP role, copper port placement and the two independent fiber paths determine the network topology. Each transmit and receive fiber must remain paired with the correct remote interface.
Alternative Names
6GK51082BD002AB2 6GK5 108-2BD00-2AB2 6GK5108 2BD00 2AB2 Siemens 6GK5108-2BD00-2AB2 6GK5108-2BD00-2AB2 XB108-2 SCALANCE XB108-2 6GK5108-2BD00-2AB2 6GK 5108 2BD00 2AB2 6GK5108/2BD00/2AB2
Technical notes
Both fiber ports on Siemens 6GK5108-2BD00-2AB2 use multimode SC connections, while its eight copper ports negotiate 10 or 100 Mbit/s links.
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FAQS

The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
Why does Siemens 6GK5108-2BD00-2AB2 show power but no fiber link?
For Siemens 6GK5108-2BD00-2AB2, verify multimode fiber type, SC seating, transmit/receive crossing, remote 100BASE-FX interface, attenuation and port indication.
Can the two optical ports of 6GK5108-2BD00-2AB2 use single-mode fiber?
No. Both optical interfaces on 6GK5108-2BD00-2AB2 are specified for multimode 100BASE-FX connections with SC connectors.
What happens if one power input fails on Siemens 6GK5108-2BD00-2AB2?
When the other supply path remains inside range, Siemens 6GK5108-2BD00-2AB2 continues operating from the redundant 24 V AC/DC input.
Why is no IP address needed for 6GK5108-2BD00-2AB2?
The unmanaged 6GK5108-2BD00-2AB2 forwards Ethernet frames by learned MAC addresses and physical port state rather than a management IP configuration.
How should a suspected copper-port fault be isolated on Siemens 6GK5108-2BD00-2AB2?
On Siemens 6GK5108-2BD00-2AB2, compare the port LED, patch cable, remote-device link mode, connector condition and traffic path using a known working port.
Which topology details matter when using PRP with 6GK5108-2BD00-2AB2?
For 6GK5108-2BD00-2AB2, keep the two independent network paths, fiber pairs, connected nodes and PRP architecture separated according to the documented design.