Web Presenter 12v pinout question

Wondering if the 12v XLR power input for the Web Presenter HD is considered standard where pin 1 is ground and pin 4 is +12v?
Don't want to blow the thing up, but our system won't power up any longer on 120v.
Thanks,
Bob
Don't want to blow the thing up, but our system won't power up any longer on 120v.
Thanks,
Bob