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Fieldbus Interface: MPI/PROFIBUS (up to 12 Mbps) for direct S7-300/S7-400 connection
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Serial Interface: RS-232 / RS-485 (RJ45 socket)
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USB: USB 2.0 host for firmware update & local configuration
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I/O Manager: Can read & store up to 256 PLC variables for remote monitoring
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Redundancy: Multi-WAN management (e.g., WAN + analog dial-up failover)
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Power Supply: 24 VDC (10–30 VDC operating range)
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Current Draw: Max. 500 mA @ 24 VDC
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Operating Temperature: 0 °C to +50 °C
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Humidity: 95 % r.H. non-condensing
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Protection Rating: IP20
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Certifications: CE, RoHS, REACH
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Dimensions: 125 × 40 × 128 mm (D × W × H), ~300 g
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Core Features:
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Secure remote access to PLC, HMI, IP cameras
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Free VPN routing via myREX24
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Integrated firewall — only authenticated users gain access
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Serial-over-IP for incorporating legacy serial devices into remote maintenance
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Application: Remote servicing & tele-maintenance of Siemens-controlled machinery, industrial IoT gateway
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Installation: DIN-rail mount inside control cabinet (IP20 — not for direct environmental exposure); configure VPN via myREX24 V2 portal.
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