Crossover and straight-through cables are used in order to connect switch ports or interfaces to network devices. Find the device in the left-hand column and match it up with another device in the top. This document is a guide to cables and connectors for Catalyst 6500/6000, 5500/5000, and 4500/4000 series switching modules and Catalyst 2900/3500 XL, 2940, 2970, 2950/2955, 3550, and 3750 series fixed-configuration switches. AC power supplies, connectors, and cords for these switches are also. The switch has two console ports: a USB 5-pin mini-Type B port on the front panel (see image below) and an RJ-45 console port on the rear panel. The USB Type A-to-USB mini-Type B cable is not. In general when you connect two similar devices ie, switch to switch, router to router, workstation to workstation, you will use a cross-over cable, and for all others – use a straight through. That's a good way to remember what to use. In order to understand more complex network technologies it is. In a standard access control system, four key components interact to control and monitor access through a door: Card Reader: Recognizes authorized users and sends signals to the access control panel to grant access. That means you'll only have to run one cable, and this is it! Cross Section of. Access Layer: The access layer is the layer where access devices are installed.