Click to expand Tap to zoom VICON SECURITY 4-PORT RS-485 DISTRIBUTION LINE (HUB) VLR-485-DL by Vicon Security SKU VLR-485-DL 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to Quote 4-PORT RS-485 DISTRIBUTION LINE (HUB); expands one RS-485 network into four (4), allowing for star configuration wiring