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Network Switches

Belden (Hirschmann) GRS / GECKO / GMS Series Industrial Ethernet Switch (HiOS Firmware) — Default Password

Default username and password for the Belden (Hirschmann) GRS / GECKO / GMS Series Industrial Ethernet Switch (HiOS Firmware): admin / private. Learn how to log in and how to change the default credentials.

Hirschmann (Belden) GECKO (GRS1020 / GRS1040) and GREYHOUND (GRS / GMS) industrial switches running HiOS default to admin/private. A read-only 'user' account (password 'public') also exists. HiOS 07.x and later enforce a mandatory password change on first login via the Graphical Device Manager; older firmware retains these defaults indefinitely.

UsernamePasswordAccessNotes
admin
private
Web UI—
user
public
Web UIRead-only access
Source
vendor user manual

Responsible use

This database lists publicly documented default credentials so administrators can find and change them. Only use these on systems you own or are authorized to test.

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