RJ45 RJ11 Network Cable Tester with Detachable Remote
RJ45 RJ11 Network Cable Tester with detachable remote, LED wire mapping, and 9V battery operation for Ethernet and phone cables.
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RJ45 RJ11 Network Cable Tester for LAN and Telephone Cable Checks
The RJ45 RJ11 Network Cable Tester is a handheld wire-mapping and continuity tool for checking compatible Ethernet and telephone cables. It comes as one set with a master unit and a detachable remote, allowing the two ends of a cable to be checked from separate positions. Both units have clearly numbered LED positions for comparing conductor connections.
Plug the two ends of a disconnected cable into the matching RJ45 or RJ11 ports on the master and remote units. The sequential LEDs help an installer identify continuity and investigate open circuits, shorts or crossed and incorrectly terminated conductors. This RJ45 RJ11 Network Cable Tester is useful after crimping plugs, fitting wall jacks or troubleshooting a passive copper cable run.
A three-position OFF/ON/S switch provides normal and slow indicator sequencing. The compact white housing has green front panels, and the remote section can be detached for work at the opposite end of a cable. The master uses one 9V PP3-type battery, which is not included.
This is a basic continuity and wire-sequence checker, not a cable certifier, link-speed analyzer or PoE meter. Use it on disconnected, unpowered cables only. The supplier’s photos show different printed model identifiers, so the sale is identified by its RJ45/RJ11 testing function and the pictured two-piece configuration rather than by an unverified model number.
| Product Type | LED network cable continuity tester | Tester Set | Master unit + detachable remote |
| Supported Interfaces | RJ45 and RJ11 modular cable ports | Test Method | Sequential LED wire mapping |
| LED Positions | 1–8 and G | Switch Settings | OFF / ON / S (slow) |
| Power | 1 × 9V PP3-type battery (not included) | Housing | White plastic with green front panels |
| Typical Checks | Continuity, open wiring, shorts and wire-sequence errors | Primary Use | Unpowered Ethernet and telephone cables |


Strict Quality Control System
| Consistent stable quality is our core competitiveness for fiber optic products. Our technical team has extensive experience in fiber optic communication. |
Quality Certification
| We control the quality of our products, including our strict qualification of manufacturers, quality control process and production technology, and compliance with certification and safety standards. At present, our products meet the industry standards and mainstream quality certification, such as ISO 9001, CE, RoHS, FCC, etc. |
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