Only JPX SP is available.
For the detail of composition, please refer to "arrownet v2 Guideline for NW Connection (Common)".
As for the redundant methods (selectable AP) which differs per service provider (SP), please refer to "[arrownet]arrownet v2 Guideline for NW Connection" for individual SP.
Guideline is posted on the following System Documents Site.
[Common]
URL:
https://faqsd.jpx.co.jp/faq/show/2086?site_domain=en_system_documents[JPX]
URL:
https://faqsd.jpx.co.jp/faq/show/2084?site_domain=en_system_documents[JASDEC]
URL:
https://faqsd.jpx.co.jp/faq/show/17770?site_domain=en_system_documents[TFX]
URL:
https://faqsd.jpx.co.jp/faq/show/4417?site_domain=en_system_documents