JPX Service Desk
FAQ Site (Application FAQ / System Support FAQ)
  • Font Size
  • S
  • M
  • L

Contacts for JPX Service Desk

Application Procedure contact
Open Hours: Business day 9:00 am - 6:30 pm
TEL: 0570-064-054
            *Charged Call
  (*IP-phone: +81-50-3819-1070)
Email: servicedesk@jpx.co.jp
arrownet support contact
Open Hours: 24Hours
TEL: +81-50-3819-1030
Email: arrownet_support@jpx.co.jp
arrowhead/ToSTNeT contact
Open Hours: Business day 7:00 am - 6:30 pm
TEL: +81-50-3822-8882
Email: arrowhead@jpx.co.jp
J-GATE contact
Open Hours: 24Hours
TEL: 0570-550-815
            *Charged Call
  (*IP-phone: +81-50-3822-8900)
Email: j-gate3@jpx.co.jp
Clearing contact
Open Hours: Business day 9:00 am - 5:00 pm
TEL: 0570-064-059
            *Charged Call
  (*IP-phone: +81-50-3819-1076)
Email: servicedesk_clearing@jpx.co.jp
  • No : 1462
  • Updated Date : 2015/06/22 09:00
  • Print

Network termination unit

Network termination unit
Category : 

Answer

Synonym, Abbreviation: DSU(Digital Service Unit), ONU(Optical Network Unit), MC(Media Converter)
------------------------------------

A device that is located at a terminal point of communication network and enables office network and such to connect to the communication network.
In arrownet, this device makes a demarcation point of responsibility between arrownet and users.

Types of the device vary depending on carrier, bandwidth and services.