I just got my rgb from ray they are the 2812b. I am new to using this type of controller but tried to follow the step in the manual. I got things to work pretty easily until I tried to hook 2- 5 meter 30 led/m strips together. one worked fine the minute i hooked the second one in, a green light turned on, on the first rgb of the 2nd strip and the next 20 wouldnt work but then the rest of the strip did. I tried injecting power and it didnt change anything. I was using it in LSP in the test controller. any suggestion would be helpful. I had them setup with universe 1 started channel 1 to 450 universe 2 451 to 900 but could get them to work well. Any thoughts.