MultiTech Systems MultiModem (MT1432BA)

Hello.
I got this without PSU.
And what PSU i can use ?
Finaly pinouts.What is minus/plus pole ?
Or is it AC PSU?
https://www.recycledgoods.com/multitech ... -mt1432ba/
Thanx advice.
I got this without PSU.
And what PSU i can use ?
Finaly pinouts.What is minus/plus pole ?
Or is it AC PSU?
https://www.recycledgoods.com/multitech ... -mt1432ba/
Thanx advice.