Integras should take poe directly On 5/26/15, 1:44 PM, "Craig Baird" <cr...@xpressweb.com> wrote:
>I've got a few SAF Integra links that we'll be doing shortly. We're >planning to run fiber to the radios. I'm wondering what's the best >method for powering the radios? > > From what I gather, SAF has some sort of new kit where you can send >power up to the radio on 2-wire DC cable. At the top, near the radio, >there is a pigtail that takes power off the 2-wire cable, and puts it >on another cable with an RJ-45 for plugging into the ethernet port on >the radio. > >I have a couple of issues with this method. First of all, it appears >they use a Bulgin outdoor coupler to make the transition from 2-wire >cable to CAT5 cable. I've found those Bulgin couplers to be less than >reliable over the long term with regard to water ingress. So that >makes me nervous. My second issue is lightning protection over the DC >cable. I'm sure there are products that are designed to protect DC >circuits. What would you guys recommend for protecting a DC circuit >running up the tower? > >Overall, I'm wondering what would be wrong with just running shielded >CAT5e up to the radio for power purposes only? If we did that, we >could just use the WB surge protectors. Is there some advantage to >running 2-wire vs. CAT5 that I'm not seeing? > >Craig > >
