The #1 maintenance window has been completed.


We have scheduled the following maintenance windows to switch the power source for single powered device.

#1: 11:00 - 18:00 May 21 HKT

#2: 11:00 - 18:00 Jun 5 HKT

During the maintenance windows, impacted servers will be powered off, switched to alternative power source, and powered on.

If your server is impacted, you will receive a separate Email regarding to the procedure.


As it is statutory requirement to carry out PITC work for LV fixed electrical installation every five years,

it is considered necessary to carry out the work for Power Distribution Unit and all its final circuits which supporting customer load in Data Center.

During the maintenance window, we will shut down PDU main circuit breaker respectively according to testing requirement and below circuit will be switched off as per the schedule marked


PDU-A: 25-May-2019 (09:00 - 23:59 HKT)

PDU-B: 28-Sep-2019 (09:00 - 23:59 HKT)



The work will be performed on each PDU on a time and the other system will be kept in operating.

There will be no impact to services with dual power feed as load will be supported by either UPS source except the circuit is current overdraw which mentioned above in remark.

However, for equipment with single power feed, it is recommended that the equipment shall be power off or connected to other source before power down and fallback afterward.


Customers whose servers are impacted will receive a separate Email.

Tuesday, April 16, 2019

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