No, JASDEC does not allow users to share such devices with other SPs.
For further information, please see the System Documents Site shown below.

[System Documents Site]
-arrownet Guideline for NW Connection (JASDEC)

*Log in with your Target JPX Site ID or arrowface ID.
URL: https://faqsd.jpx.co.jp/faq/show/17770?site_domain=en_system_documents

*Log in with a dedicated ID (existing ID).
URL: https://faqsd.jpx.co.jp/end_user_login?site_domain=en_system_documents&id=17770&redirect_controller=faq&redirect_action=show