Features:
- Twenty-four RJ45 ports connect 10/100 Mbit/s copper Industrial Ethernet devices.
- Dual 24 V DC inputs allow the switch to remain powered when one supply path is lost.
- The signaling contact and LED group report monitored power, port, and device faults.
Frames entering Siemens 6GK5124-0BA00-2AA3 are forwarded between the appropriate copper ports without a managed configuration layer.
Supply monitoring in 6GK5124-0BA00-2AA3 separates power-path status from Ethernet data so a redundant-feed loss can be reported externally.
The stored fault mask of 6GK5124-0BA00-2AA3 determines which connected ports participate in signaling-contact monitoring.
The Siemens 6GK5124-0BA00-2AA3 SCALANCE X124 Industrial Ethernet Switch may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).
Siemens 6GK5124-0BA00-2AA3 SCALANCE X124 Industrial Ethernet 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.
Automatic Ethernet Connections
- Port count: Twenty-four RJ45 interfaces form the copper device connection field.
- Speed sensing: Each link negotiates 10 or 100 Mbit/s with the connected partner.
- Duplex mode: Autonegotiation selects half or full duplex when supported by the peer.
- Pair correction: Autocrossover adapts transmit and receive pairs without a crossover cable.
Redundant Feed and Fault Signal
- Input paths: Two independent terminal inputs accept the documented 24 V DC supply range.
- Redundancy: One healthy input can continue powering the switch after the other feed is lost.
- Fault contact: The floating signaling contact transfers a configured fault state to external monitoring.
- LED relation: Front indicators identify the affected power or link condition before the contact is reset.
Port Selection for Monitoring
- Learning action: The SET button records the currently active links as the desired monitoring mask.
- Link loss: A monitored port losing its link contributes to the group fault indication.
- Unused ports: Ports excluded from the mask do not create a fault merely because they have no link.
- Commissioning check: The mask should be learned only after the intended device links are established.
Rail Position and Environment
- Standard rail: The enclosure clips to a 35 mm DIN mounting rail.
- System rail: An S7-300 rail can be used with the documented mounting arrangement.
- Wall option: Direct wall installation is available when the fasteners and clearances are provided.
- Protection limit: IP30 requires the switch to remain inside a suitable industrial enclosure.