Getting Started 1Keysight U2781A User’s Guide 19Standard Purchase Items ChecklistInspect and verify the following items for the standard purchase of U2781A USBmodular instrument chassis. If there are missing items, contact the nearestKeysight Sales Office.✔ Power cord✔ USB Extension Cable✔ Keysight USB Modular Products and Systems Quick Start Guide✔ Keysight USB Modular Products and Systems Product Reference DVD-ROM✔ Keysight Automation-Ready CD-ROM (contains the Keysight IO Libraries Suite)✔ Functional Test Certificate