QFX10002 DC power supplies require a D-Sub 3W3- type connector. The three pins on the connector provide -48 VDC input (-), return (+), and ground connections to the power supply.

DC power cables, each 4 m (approximately 13.1 ft) long, are supplied with the QFX10002. The provided cables include the three-pin connector on one end and three insulated wires at the opposite end, for connection to the site's DC power distribution system