Installation guide – Antminer KS5 PRO (21 TH/s – Kaspa)

Installation guide – Antminer KS5 PRO (21 TH/s – Kaspa)

Last updated: July 2025
Recommended pool: Ordina Mining

Have you just purchased an Antminer KS5 PRO 21 TH/s to mine Kaspa (KAS)? This comprehensive guide in French, offered by Happy Mining, takes you step by step through installing and configuring your ASIC device. We detail the power supply, network connection, **Ordina Mining** pool configuration (French pool compatible with Kaspa), as well as essential checks to optimize your yield.

Whether you are a beginner or an experienced miner, this tutorial will help you get the most out of your KS5 PRO.

Here is the KS5 PRO 21T installation guide ready to be copied/pasted on HappyMining.fr , without emoticons and with classic numbering :


1. Unpacking and checking

  • Carefully unpack the device and check for physical damage.

  • Confirm model: KS5 PRO

  • Check the following:

    • ASIC with integrated control board

    • Power cable(s) (depending on supplier)

    • Condition of fans, connectors, screws


2. Power supply

  • Required voltage: 220–277 V AC, 47–63 Hz

  • Consumption: ~3150 W at 25 °C

  • Connector: 20 A cable minimum, PDU ≥ 4000 W recommended

Note: Never plug or unplug the appliance while it is powered on. Turn off the power before handling.


3. Environmental conditions

Setting Recommended value
Temperature 0 to 40°C
Humidity 10 to 90% RH (non-condensing)
Maximum altitude 2000 m
  • Install in a well-ventilated, dry place, away from dust and humidity.


4. Network connection

  • Connect an RJ45 Ethernet cable between your router/switch and the network port of the KS5 PRO.

  • No Wi-Fi connection possible.


5. Power on and access

  1. Turn on the PDU, then the appliance.

  2. Wait 1-2 minutes for the system to boot.

  3. Find the miner's local IP address:

    • From your router (DHCP table)

    • Or using a tool like Advanced IP Scanner

  4. Open a web browser and type the local IP address of the KS5 PRO.


6. Logging into the web interface

  • Default credentials (if required):

    • User: root

    • Password: root

  • Once logged in, navigate to the Miner Configuration tab.


7. Pool configuration – Ordina Mining (Kaspa)

7.1 Stratum Pools to Use

Configure the three endpoints below to ensure mining continuity:

Pool Address Port
Pool #1 stratum+tcp://kas.ordina-mining.com 6101
Pool #2 stratum+tcp://kas-bkp1.ordina-mining.com 6101
Pool #3 stratum+tcp://kas-bkp2.ordina-mining.com 6101

7.2 Format of identifiers

  • Username: kaspa:VOTRE_ADRESSE_KASPA.worker

    • Example: kaspa:qq123abcxyz...Bitmain_01

  • Password: x (or empty if accepted)

7.3 Example of complete configuration

 Pool 1 :
 URL : stratum+tcp://kas.ordina-mining.com:6101
 Username : kaspa:qq123abcxyz...Bitmain_01
 Password : x

 Pool 2 :
 URL : stratum+tcp://kas-bkp1.ordina-mining.com:6101
 Username : kaspa:qq123abcxyz...Bitmain_01
 Password : x

 Pool 3 :
 URL : stratum+tcp://kas-bkp2.ordina-mining.com:6101
 Username : kaspa:qq123abcxyz...Bitmain_01
 Password : x
  1. Click Save & Apply

  2. Then check the Miner Status tab


8. Status Check

In the Miner Status tab, make sure of the following:

Element Expected status
Pool "Alive" Connection
Hashrate About 21 TH/s
Temperature Below 70°C
Fans Automatic
Hardware errors 0 or close to 0

9. Firmware Update

  1. Visit the official Bitmain website:
    https://support.bitmain.com/hc/en-us/categories/115000999127-Product-Manuals

  2. Download the firmware corresponding to the KS5 PRO

  3. From the miner's web interface, go to System > Upgrade

  4. Load the downloaded .tar.gz file

  5. Start the update and then restart


10. Maintenance and best practices

  • Clean the device with dry air every 1 to 2 months

  • Monitor regularly:

    • The temperatures

    • Abnormal noise (faulty fans)

    • Logs in the web interface

  • Do not overclock the device (optimization already integrated by default)

  • Use a power inverter to avoid power surges or blackouts


11. Useful links


12. Final Checklist

Step to validate Status
Unpacking and Inspection [ ]
RJ45 network connection [ ]
Power supply 220–277 V, 20 A [ ]
Local IP found [ ]
Access to the web interface [ ]
Configuration of the 3 pools OK [ ]
Stable hashrate and temperature [ ]
Firmware updated [ ]
Planned maintenance (dusting) [ ]


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