... 1 - 2 CCNA 1: Networking Basics v 3. 0 - Lab 3. 1. 9f Copyright 20 03, Cisco Systems, Inc. Lab 3. 1. 9f Communications Circuits Objective • Design a ... device in order to create the digital on/off, binary, signals 2 - 2 CCNA 1: Networking Basics v 3. 0 - Lab 3. 1. 9f Copyright 20 03, Cisco Systems, Inc. 6v light bulbs with bulb bases or LEDs with resistors ... network. Network Construction Item Required Purpose Fluke 11 0, 12 B or equivalent multimeter For testing communication connections 20' Cat 5 UTP cable For the physical communications lines. The cabling...