Voltcraft CT-5 Multi-Cable Tester for RJ-45, BNC, RJ-11, IEEE 1394, USB

Network technicians and installers can quickly verify cable integrity on-site with the Voltcraft CT-5. This handheld tester checks RJ-45, RJ-11/RJ-12, BNC, USB, and IEEE 1394 cables, using LED indicators to show open circuits, short circuits, crossed pairs, split pairs, and continuity. Its auto and manual scan modes allow flexible testing, while the included remote unit and carrying case make it portable for field use.

Key specifications

• Supported cable types: RJ-45 (UTP/STP), RJ-11/RJ-12, BNC, USB (Type A/B), IEEE 1394 (FireWire 6-pin)
• Test functions: open circuit, short circuit, crossed pairs, split pairs, continuity
• Display: LED indicators for each wire/pin
• Test modes: auto scan (fast/slow), manual scan
• Maximum testable cable length: up to 100 m for network cables
• Connectors on main unit: RJ-45, RJ-11/RJ-12, BNC, USB-A, USB-B, IEEE 1394 (6-pin)
• Connectors on remote unit: RJ-45, RJ-11/RJ-12, BNC, USB-A, IEEE 1394 (6-pin)
• Power supply: 1x 9V block battery (6F22 type)
• Low battery indication
• Operating temperature: 0 to 50 °C
• Storage temperature: -10 to 60 °C
• Operating humidity: 10 - 90% RH (non-condensing)
• Housing material: robust ABS plastic

Why choose it

The CT-5 covers a wide range of cable types in one device, reducing the need for multiple testers. Its clear LED display and simple operation make it suitable for both professionals and DIY users.

Ideal use cases

• Verifying Ethernet patch cables in office networks
• Testing telephone and coaxial cables during installation
• Checking USB and FireWire cables for continuity
• Field service and maintenance tasks

Good to know

The tester includes a remote unit and a carrying case for convenient storage and transport. It is powered by a standard 9V battery, which is easily replaceable.