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This follows NTT West’s Japanese VH-100VR-N guide. The documented initial LAN address is 192.168.116.1. Confirm this exact model and its current management address before using it.
Use username user and the password currently set by the administrator. The guide’s initial password is not evidence of the installed password.
Read VDSL line information
Open 情報 → VDSL回線の状態. Read 回線リンク状態: Link Up means the VDSL line is connected; Link Down means it is not connected. When connected, read 下り回線速度 and 上り回線速度 for the reported downstream and upstream line speeds.
Report the displayed state
Note the displayed link state and line speeds for the administrator. Leave configuration, connection/disconnection, restart and firmware controls unchanged. If access fails, confirm the current address, account and installed software with the administrator.
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NTT West — VH-100VR-N official support and manual listing NTT West — VH-100VR-N detailed function guide