Guide for admission of JPX Co-Location Service can be found at System Documents Site.
[System Documents Site] System Documents > Co-Location
URL:
https://faqsd.jpx.co.jp/category/show/346?site_domain=en_system_documents- Guide for Web-based Admission System(JPX Co-Location Service)
If you would like to find documents about Co-Location, please contact JPX Service Desk (application procedure).