hi, need help...

my primary tv, non-HD tv... got astro byond next to it.. (upstairs)
secondary tv, non-HD tv, got aem xtra link next to it.. (downstairs)

i've bought av/rf converter...

but, where do i put the yellow, red,white cable from av/rf converter into the astro byond?

fyi, previously when using old astro it works well....