how to mount usb on linux based ip pbx

[mike123]

hello everybody

i am just trying to know if my usb port on my ip pbx which is based on linux
is working or not

i tried
ls/mnt
and
/dev/sda

but i faced the problem which is

root:~> mount mnt
mount: can't find mnt in /etc/fstab
root:~> root:~> mount mnt

so how to open mnt fiole and chek my usb port status
given that i am using ip-08 ip pbx

thanx

[b2bwild]

Try.
$ su - root
$ mkdir /mnt/usb-drive
$ mount /dev/sda1 /mnt/usb-drive -t <filesystem type>