Lenovo ThinkVision P27u-20 27" 4K IPS Monitor - Manual (Page 15)

Chapter 1 Getting started 1-11
13. Recommended Ethernet setup:
1)
Connect Desktop with HDMI/DisplayPort and USB type B for USB Ethernet.
2) Connect single Thunderbolt™ 4 cable to Notebook for Display/Thunderbolt™/PCIe Ethernet.
3) Connect RJ45 cable (cat 5e above) to router.
Note 1: To enable Ethernet function of P27u-20, please see "OSD functions" on page 2-3.
Note 2: Both Thunderbolt™/USB-B Ethernet transmission through same LAN cable to router.
Note 3: RJ45 link rate LED indicator: Orange for 1G, Green for 100M, no light for 10M.
Note 4: To enable MAC address pass through (MAPT) or PXE for specific situation, you can consult
with local IT for support.
14. Assembled cables with Line Cleaner as shown below.