48 Volt Power Supply | Power Adapter Compatible with VOIP Polycom IP Phones VVX 300, 301, 310, 311, 400, 401, 410, 411, 500, 501, 511, 600, 601, 611, 1500 2200-46170-001, Sound Point IP 560, 670

Purchased this cord for my Polycom VVX 500 phones that are set up with Ring Central for my business. One of the cords had a short and we needed one asap. We opted into order this for same day delivery and was delivered as promised and works perfect. The pictures that are already on Amazon show pretty much what it looks like, I tried a Walmart cord and had no luck. Amazon is absolutely a life saver!

This adapter was necessary in order for us to utilize a Polycom VX300 phone that was connected to a network that did not have a POE connection which meant there was no power going to the phone. We plugged in the adapter to the phone and AC power, connected the phone to the network and computer and the phone lit up and worked.We had originally ordered an adapter from another Amazon retailer but delivery was going to take over a week, FOMI had it to us in 2 days.

So far no issues with these. We will be using with remote workers later this year in their home offices. Most employees are not going to have POE network, or any wired network, available in their home offices, so these will allow them to use a regular desk phone at home instead of their mobile phone or PC.

Good price. Worked great with brand new Polycom VVX411. Quick prompt shipping. Would have been better with a longer cord.

Fits phone perfectly

This is a power adapter for a phone that I discovered from my IT department wouldn't work with our business network.I'm sure it's fine, I just couldn't make use of it.

did not work I head on the news if you return too many products to Amazon, they will cancel your prime account. So I guess I'll have to keep this $20 product that does not work

Power cable was ordered for Polycom VVX-311 and works as describes with no powerloss or other issues