PTZ5A4K-25x Stopped working after being in web interface. How to reconnect

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wittaj was right on. Thanks also to everyone else for comments. I'm going to have pick up those POE injectors from Andy. I put it on the 24v supply last night and reenabled BI. This morning I see that it is auto tracking very well and I've had zero lost signals. Hopefully I haven't stressed out any components.