The Comcast -SA DUT681C/L cable tester checks Ethernet and BNC cables for continuity, shorts, opens, and crossovers with LED indicators.
The DUT681C/L cable tester is a handheld tool for technicians to quickly verify Ethernet (RJ45/RJ11) and BNC cable integrity. It displays test results on eight LEDs and includes automatic and manual power‑off functions.
Key features include LED status display, auto check of open/short/cross‑over circuits, fast/slow checking modes, single‑key operation, low‑battery indication, and a 9 V battery power source. The device operates from 0 °C to 40 °C, stores up to 50 °C, and works at altitudes up to 2000 m.
| Working Temperature | 0 ~ 40 °C |
|---|---|
| Storage Temperature | 10 ~ 50 °C |
| Working Humidity | 20 ~ 80 % RH |
| Storage Humidity | 10 ~ 90 % RH |
| Power Supply | 9 V battery |
| Low Voltage Detection | Enabled (≤ 7.2 V) |
It is powered by a 9 V battery.
It automatically powers off after 10 minutes of inactivity.
It can test RJ45, RJ11, and BNC cables (BNC requires an RJ45‑to‑BNC adaptor).