put this in /etc/samba/smb.conf in the global section:-

client min protocol = NT1

then connect in the on the command line for FTP like access with:-

smbclient //pnhub1/usb1 -U GUEST -I 192.168.1.254

or mount the share into the file system:-

sudo mount -t cifs -o vers=1.0,username=user //192.168.1.254/usb1 /mnt/smb

mount -t cifs -o vers=1.0,username=user //192.168.1.254/usb1 /mnt/smb

or in the file manager with:-

smb://192.168.1.254/usb1