CrystalLink USB-3-2-1 CATx

USB3.1/2.0/1.1 CATx Extender

Product Picture
Product Picture
Product Picture
  • Locate USB devices where they are convenient to the user or to secure the USB host from unwanted access
  • Extends USB 1.1, USB2.0 and USB3.1 devices beyond the standard 3m cable limit, point-to-point connection, up to 330ft (100m)
  • Supports all USB1.1, USB2.0, and USB3.1 Gen 1 devices simultaneously at full 5Gbps bandwidth
  • Four USB-A Gen 1 ports on the receiver unit, each with 1.5A power, expandable to 30 ports with the use of USB hubs
  • One 100/1000 Ethernet channel for transparently extending your network
  • Optimum performance with CAT6a and CAT7 (solid core) UTP/STP cabling
  • Plug-and-Play installation, no configuration, driver installation, or set-up required
  • Supports all major operating systems: Windows, Mac OS X, and Linux
  • Transmitter and Receiver units require a +24VDC power adapter (included)


The CrystalLink USB 3.1 extender is a professional and industrial grade extender, ideally suited for the remote and secure operation of USB devices. This high performance USB extender is ideal for locating various USB workstation devices conveniently away from the host location.

In addition to extending USB signals, the product features an RJ45 100/1000 Ethernet pass-through port for connecting to network enabled devices, or to use existing LAN infrastructure without losing LAN connectivity.

Data transmission is point-to-point, using a single CAT6a/7 UTP/STP solid core cable. When combined with the simultaneous support of USB 1.1, USB2.0, and USB3.1 Gen 1 devices with up to 5 Gpbs bandwidth, the CrystalLink USB 3.1 offers unrivalled performance for extension requirements up to 330ft (100m).


Dimensions (W x D x H) 9.1" x 5.4" x 1.3" (232 x 137 x 33 mm)
Weight 5 lb (2.3 kg)
Power 100-240 VAC 50-60Hz 24V Model: 24V DC, 1A, Locking, 2.5 mm, center-positive 10W
Distance CAT 6a/CAT 7 solid core:Up to 330' (100m)
Connectors Transmitter:1× USB3.1 type B connector1× RJ45 Ethernet 100/1000 port1× Ethernet RJ45 link port1× 24V locking power connector1× Mini USB config portReceiver:4 × USB3.1 type A connectors1 × RJ45 Ethernet 100/1000 port1 × Ethernet RJ45 link port1 × 24V locking power connector1× Mini USB config port
Controls Power, status, link, USB2, USB3
Environment Operating temperature: 32°F–113°F (0°C–45°C)Storage temperature: -4°F–158°F (-20°C–70°C)Relative humidity: 20%–80%, non-condensing


Product Part Number Description
CLK-4U321TP-100M CrystalLink USB-3.1-2.0-1.1 CATx Extender
RM-UD/CLK123 Shelf, wall or under desk bracket


Datasheet • CrystalLink USB-3-2-1 CATx PDF
Manual • CrystalLink USB-3-2-1 CATx • Installation and Operation PDF