សៀវភៅណែនាំអ្នកប្រើប្រាស់ សំណួរ និងចម្លើយចម្លើយ
ថ្ងៃទី 18 ខែមិថុនា ឆ្នាំ 2025 - ម៉ោង 03:29 ព្រឹក
To test twisted-pair cabling using the UNI-T UT685B TDR cable testerអនុវត្តតាមជំហានទាំងនេះ៖
1. **Turn on the tester:** Long press the power button for 2 seconds to power on the tester.
2. **Select testing mode:** Set the mode xxxx to "TEST" and press the "PORT" button to select the RJ45 port.
3. **Connect the tester and wiremap adapter:** Connect the tester and wiremap adapter to the cabling you want to test. The test will run continuously until you change modes or turn off the tester.
4 ។ **View the test results:** The tester will display various results such as open circuits, shorts, crossed wires, split pairs, Ethernet port detection, POE switch detection, voltage detection, and wire pair details on the screen.
5. **Interpreting the results:**
- *Open on Twisted Pair Cabling:* The display will show the location of the open circuit and the cable length.
- *Short on Twisted Pair Cabling:* The display will indicate the location of the short and the cable length.
- *Crossed Wires:* The display will show which wires are crossed and the cable length.
- *Crossed Pairs:* The display will indicate which pairs are crossed.
- *Split Pair:* The display will show the split pair and the cable length.
- *Ethernet Port Detected:* The tester will indicate if an Ethernet port is detected.
- *POE Switch Detected:* The tester will detect and display information about a POE switch.
- *Voltage Detection:* The tester can detect cable voltage និងបង្ហាញវានៅលើអេក្រង់។
6. ** គន្លឹះបន្ថែម៖**
- Ensure you have the correct adapters and connectors for the type of cabling you are testing.
- Follow the user manual for detailed instructions on interpreting the test results and troubleshooting any issues.
By following these steps and interpreting the results displayed on the ឧបករណ៍សាកល្បងខ្សែ UT685B TDR, you can effectively test twisted-pair cabling for various faults and conditions.
បន្ថែមមតិយោបល់ថ្មី។