Check the listing for details. Extreme Networks 0.5M Cx4 Stacking Cable 16106 250084-00 Switch Adapter Cable. Condition: Used. Listed at 81.53 USD. Possible presence of purely aesthetic defects, which do not affect use, such as small pixel defects (ISO-9241-3xx standards), microscratches on the body/screen and/or other defects not visible more than 30cm from the object resulting from wear of the object over time; the hardware is however tested, working and guaranteed (see product condition details) Purchase invoice: must be requested at the same time as the order and will be sent via email. In the absence of billing data, a receipt will be issued which cannot be cancelled. This cable allows you to securely and reliably connect multiple CX4 switches to form a stack, allowing for simplified management and greater network scalability. With reliable performance and easy installation, the Extreme Networks 0.5M CX4 Stacking Adapter Cable is.