info Sagemcom

Status LED (USB) is off

No USB device attached or unsupported hardware.

? What Causes This

No USB drive connected, incompatible file system, or device not supported by IPP protocol and router's specifications.

What This Means

  1. Connect a compatible USB storage or printer device.
  2. Ensure it is powered on and supports standard protocols such as USB 2.0/1.1 and/or IPP.

Source: page 49 of the official manual

From the manual

Manual page 49 — Sagemcom error LED (USB) is off

This error code appears in:

Sagemcom CS 50001