Eurogard – IUM2‑0‑A33 – Analog Dial‑up Modem Module for S7 Systems
The Eurogard IUM2‑0‑A33 is an analog modem module engineered for TeleService remote communication with Siemens S7 (and legacy S5) control systems. Designed for installation in Eurogard/Siemens TeleService racks, this module enables dial-up connectivity for diagnostics, telemetry, and remote configuration over standard telephone lines.
Ideal for environments without Ethernet or cellular networks, it offers a reliable fallback for remote access in legacy automation setups.
Key Features
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Model / P/N: IUM2‑0‑A33 (TeleService analog modem module)
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Function: Dial-up analog modem for remote access and telemetry in S7/S5 or Eurogard systems
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Form Factor: Rack-mounted module, compatible with Siemens/Eurogard TeleService cabinets
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Condition & Listings:
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Used units available on eBay from ~US $90–163, described as fully functional
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Compatibility: Connects to PLC via standard TeleService backplanes (S7 and older S5); supports legacy analog phone line communication