Issue link: https://docs.hic.us/i/445631
222 Trouble examples and Corrective actions Chapter 9 PT10 (2) Connect the jumper connector to the connector of the head card. To suspend the third head, connect the jumper connector to the connector for odd-numbered head. One piece of head card is used for two heads. 1H/2H 3H/4H 5H/6H CN9 CN20 For odd-numbered head Accessory Head card Jumper connector Connector Head card For even-numbered head