Cisco StackPower Power Cable CAB-SPWR-150CM 1.5 m Black for Catalyst 3750X12/24/48

The Cisco StackPower cables are thick but flexible and they carry power as well as a data signal to provide a communications channel among the switches in the power stack. <br /><br />StackPower and XPS cables are keyed and have colored bands on the ends to help you understand what cable plugs into what switch or XPS.<br /><br />A StackPower cable has colors bands on the cable ends green on one end and yellow on the other end. This cable can be used between Catalyst 3750-X switches and an XPS. Note that the connector with the blue band can only connect into a Catalyst 3750-X switch while the connector with the yellow band can connect to a Catalyst 3750-X or an XPS.<br /><br />An XPS cable has a color band on the cable ends as well red on one end and yellow on the other end. This cable can only be used to connect Catalyst 3750-X or 3560-X switch to an XPS. Note that the connector with the red band can only connect to an XPS while the connector with the green and blue band can connect to