Network Security Technical Support Desk

Technical support for customers who have subscribed to the maintenance service is accepted by e-mail.
The technical support e-mail address differs depending on the product, so please contact us using the contact information provided in the "Service Usage Guide" sent to you when you subscribed to the maintenance service.

Support service hours: [Monday to Friday] 9:00 to 17:00

Support Holidays

  • Saturdays, Sundays and public holidays

  • Our designated holidays

    May 24, 2024
    August 13, 2024 - August 15, 2024
    September 6, 2024
    New Year's holiday (December 30, 2024 - January 3, 2025)

Information on Hardware Maintenance Service

We provide comprehensive maintenance services so that our customers can use our products with peace of mind.
There are two main types of hardware maintenance services:
The maintenance service name and contents vary depending on the product, so please check the "Scope of maintenance services" below for details.

service menu Onsite maintenance service Advance send back maintenance service
Service contents A service that dispatches maintenance workers to the site to replace faulty machines and spare machines. A service that only delivers spare devices
We will not dispatch maintenance workers.
As a general rule, the customer is responsible for restoring settings and replacing equipment.
Reception time Weekdays 9:00-17:00
*Saturdays, Sundays, public holidays,
Except December 30th-January 3rd
24 hours a day, 365 days a year Weekdays 9:00-17:00

*Excluding Saturdays, Sundays, public holidays, and December 30-January 3

Work content Execution of setting input to spare machine
Firmware version matching and replacement work for on-site faulty machines
Delivery of spare aircraft only

* We will process the shipment by the next business day after receiving the order.

Maintenance service terms, etc.

When using hardware maintenance services, please read the entire "Maintenance Service Terms" in full.

Scope of maintenance services

This applies to the content and conditions of the hardware maintenance service for each product.

About contacting us in the event of a failure

After subscribing to the hardware maintenance service, we will send you the ``Maintenance Service Terms'', ``Scope of Maintenance Service'', ``Maintenance Outline'', etc.
If a problem occurs with a product subject to maintenance, please contact us with the information below at the [Contact information in case of a problem] listed on your handbook.

  • Hardware maintenance service "maintenance number" or "contract number"
  • "Product name" and "Serial number" of the faulty device
  • Failure content

For technical support, please contact the "Technical Support Desk" listed in the guidelines.

Regarding communications regarding other hardware maintenance services

Please check the maintenance number (or contract number) written on your handbook and contact us using the form below.

If you do not know your maintenance number (or contract number), please contact us with the manufacturer name, product name, and serial number information.

Please note that we do not accept any sales pitches to the Company the Company using the form below, which is exclusive to customers who subscribe to our "maintenance service."

Semiconductor Support Information

See below for support information for semiconductor-related products.