User manual for the CTS-650 symmetric digital communication cable test system, covering setup, operation, calibration and troubleshooting.
The CTS-650 is a symmetric digital communication cable test system developed by Shanghai Cable Research Institute. This manual provides an overview of the system’s purpose, performance features, basic operating principles and safety precautions, helping users quickly become familiar with the equipment.
It includes detailed sections on technical specifications, hardware layout, software interface, test procedures, system calibration, standard editing, system management and exception handling, along with troubleshooting guidance and contact information for technical support. This manual is written in Chinese.
| Maximum measurement frequency | 350 MHz (750 MHz, 1 GHz) |
|---|---|
| Supported cable types | CAT5, CAT5e, CAT6, CAT7, CAT8 |
| Number of pairs measured | 4 pairs |
| Test time per 4 pairs | ≤2 minutes |
| Operating temperature range | 0 °C – 40 °C |
The manual uses the 350 MHz test system as the example, while 750 MHz and 1 GHz options are also supported.
Check that the 220 V AC input is within 220 V ± 10 % and inspect the fuse if the voltage is normal.
Enable the near‑end crosstalk length correction option; the system automatically adjusts the data to the standard 100 m value.