Know your gear
Category 5e RJ21 to RJ45 patch panels shall feature 24 or 48 RJ45 ports on the front of the panel with four or eight RJ21 connectors on the back of the panel. Each RJ45 connector shall be fully wired to all eight pins and support 10/100/1000 Gigabit Ethernet performance. RJ21 connectors shall be wired per industry standards for backwards compatibility. Patch panels shall mount to standard EIA 19in. or 23in. racks and be available in flat or angled versions. Patch panels shall not require the use of a punchdown tool.