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6GK5646-2GS00-2AC2

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Built as an industrial security appliance, Siemens 6GK5646-2GS00-2AC2 protects connected Ethernet devices and networks with firewall, VPN and address-translation functions.
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Technical specifications for 6GK5646-2GS00-2AC2

  • Manufacturer:
    Siemens
  • Part Number:
    6GK5646-2GS00-2AC2
  • Product Family:
    Siemens SCALANCE
  • Product Type:
    Industrial Security Appliance
  • Stock:
    1
  • Product Type Designation:
    SC646
  • Transfer Rate:
    10/100/1000Mbit/s
  • Network Connections:
    6 maximum
  • Fixed RJ45 Ports:
    4
  • Combo Ports:
    2 RJ45/SFP
  • Signaling Contact:
    2-pole terminal block
  • Digital Input:
    1 via 2-pole terminal block
  • Supply Inputs:
    Dual 24VDC
  • Supply Range:
    9.6–31.2VDC
  • Maximum Current:
    0.4A per supply input
  • Power Loss:
    9.6W
  • Operating Temperature:
    -40 to +70°C
  • Protection Class:
    IP20
  • Configuration:
    WBM,CLI,SNMP
  • Firewall:
    Stateful inspection
  • VPN:
    IPsec,OpenVPN
  • VPN Connections:
    200 maximum
  • Address Translation:
    NAT/NAPT
  • Mounting:
    35mm DIN rail,S7-300 rail,S7-1500 rail,wall
  • Weight:
    1.2787 lbs (0.58 kg)
  • Estimated shipping dimensions:
    6x14.5x12.5cm
  • 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 Port Layout Security Functions Network Services Installation Limits

Features:

  • Six network positions combine four fixed RJ45 ports with two RJ45/SFP combo ports.
  • Stateful firewall, IPsec and OpenVPN functions protect traffic between industrial network segments.
  • Dual DC supply inputs and an external signaling contact separate power redundancy from status reporting.
The six network positions of 6GK5646-2GS00-2AC2 do not operate as six identical sockets. Four are fixed copper interfaces, while each combo position uses either its RJ45 side or its installed SFP path.

Routing and address-translation functions let 6GK5646-2GS00-2AC2 pass selected traffic between IP networks while the firewall applies rules to the permitted connections.

Management traffic can reach 6GK5646-2GS00-2AC2 through HTTPS, CLI or SNMP, and its event logs distinguish security activity from port-level diagnostic information.

The Siemens 6GK5646-2GS00-2AC2 SCALANCE SC646-2C Industrial Security Appliance may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).
Siemens 6GK5646-2GS00-2AC2 SCALANCE SC646-2C Industrial Security Appliance 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.

How the six network positions are assigned

  • Fixed copper: Four RJ45 ports on 6GK5646-2GS00-2AC2 carry 10/100/1000 Mbit/s Ethernet.
  • Combo selection: Each of the two combo positions uses either its RJ45 interface or its installed SFP interface.
  • Optical choice: The SFP side accepts a 100 Mbit/s or 1000 Mbit/s optical transceiver path.
  • Port total: Selecting an SFP path does not create an additional port beyond the six available network connections.

Traffic control and protected remote links

  • Firewall processing: Stateful inspection on 6GK5646-2GS00-2AC2 evaluates traffic as part of an established connection.
  • Encrypted tunnels: IPsec and OpenVPN provide separate supported methods for VPN connections.
  • Address handling: NAT/NAPT translates addresses when traffic crosses configured network boundaries.
  • Authentication: VPN peers can use preshared keys or X.509v3 certificates.

Services used to configure and observe the appliance

  • Administration: HTTPS, CLI and SNMP provide management paths for 6GK5646-2GS00-2AC2.
  • Event records: SysLog, packet-filter logs, audit logs and system logs separate different event sources.
  • Routing: Static IPv4 and IPv6 routing moves approved traffic between configured subnets.
  • Time services: NTP and SNTP functions align timestamps used by logs and diagnostics.

Mechanical and environmental boundaries

  • Mounting options: 6GK5646-2GS00-2AC2 supports 35 mm DIN rail, S7-300 rail, S7-1500 rail and wall mounting.
  • Enclosure rating: The IP20 design requires protection appropriate to the cabinet environment.
  • Operating range: The specified ambient range applies from -40 °C to +70 °C.
  • Humidity limit: Operation permits up to 95% relative humidity at 25 °C without condensation.
Description
Siemens 6GK5646-2GS00-2AC2 is a SCALANCE SC646-2C industrial security appliance for separating and protecting industrial Ethernet devices and networks. Its stateful firewall, VPN and NAT/NAPT functions control traffic between connected network segments rather than acting as a simple unmanaged switch.

Four fixed RJ45 interfaces carry 10/100/1000 Mbit/s copper traffic, while the two combo positions on 6GK5646-2GS00-2AC2 accept either their RJ45 connection or a compatible 100/1000 Mbit/s SFP path. This arrangement lets the two combo positions follow the required copper or optical uplink medium without increasing the six-port connection limit.

Power for 6GK5646-2GS00-2AC2 enters through two DC supply paths, and a separate signaling contact reports device conditions to external control wiring. Web-based management, CLI and SNMP provide configuration access, while SysLog, audit logging and port diagnostics expose network and security events.
Alternative Names
6GK56462GS002AC2 6GK 5646-2GS00-2AC2 6GK 5646 2GS00 2AC2 Siemens 6GK5646-2GS00-2AC2 6GK5646-2GS00-2AC2 SC646-2C 6GK5646-2GS00-2AC2 Security Appliance SCALANCE SC646-2C 6GK5646-2GSOO-2AC2
Technical notes
Siemens 6GK5646-2GS00-2AC2 combines four fixed copper ports with two selectable RJ45/SFP combo ports for segmented industrial Ethernet security.
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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.
When should an SFP be fitted in a combo position on 6GK5646-2GS00-2AC2?
Fit an SFP on 6GK5646-2GS00-2AC2 when that combo position must use its supported optical path; its paired RJ45 side is then not a separate additional port.
Can both DC inputs on 6GK5646-2GS00-2AC2 feed the same appliance?
Yes. 6GK5646-2GS00-2AC2 provides two DC supply inputs so redundant sources can feed the appliance through the four-pole power terminal.
Which remote-access methods are built into 6GK5646-2GS00-2AC2?
6GK5646-2GS00-2AC2 supports IPsec and OpenVPN tunnels, with preshared-key or X.509v3-certificate authentication available for VPN peers.
How can a technician separate firewall events from physical-port faults on 6GK5646-2GS00-2AC2?
The packet-filter and audit logs of 6GK5646-2GS00-2AC2 record security events, while port diagnostics and error statistics expose interface conditions.
Does using NAT on 6GK5646-2GS00-2AC2 replace its firewall rules?
No. NAT/NAPT on 6GK5646-2GS00-2AC2 translates addresses, whereas the stateful firewall determines which translated or routed connections are permitted.