niveles_prima

This script get the Cablevisión-Fibertel prima levels and show them in a table.

╒═════════════╤═════════════════════════════════════╤═════════╕
│ TAG         │ Value                               │  State  │
╞═════════════╪═════════════════════════════════════╪═════════╡
│ Tx          │ 45,5 dBmV                           │ CORRECT │
├─────────────┼─────────────────────────────────────┼─────────┤
│ Freq Tx     │ 36600 MHz                           │         │
├─────────────┼─────────────────────────────────────┼─────────┤
│ Rx          │ -2,5 dBmV                           │ CORRECT │
├─────────────┼─────────────────────────────────────┼─────────┤
│ Freq Rx     │ 879000 MHz                          │         │
├─────────────┼─────────────────────────────────────┼─────────┤
│ Mer         │ 35,4 dB                             │         │
├─────────────┼─────────────────────────────────────┼─────────┤
│ Equipo      │ FAST3686                            │         │
├─────────────┼─────────────────────────────────────┼─────────┤
│ Descripción │ F@ST3686 Wireless Voice Gateway <>  │         │
├─────────────┼─────────────────────────────────────┼─────────┤
│ Versión Os  │ "FAST3686_CVA-SIP_3.601.0-20190521" │         │
╘═════════════╧═════════════════════════════════════╧═════════╛

Level State

The important levels are TX and RX, so the script just evaluate them.

Each level has its own range of acceptance:

TX: CORRECT between 35 dBmV and 47 dBmV
    INCORRECT outside the previous range

RX: CORRECT between -7 dBmV and 7 dBmV
    WARNING between -15 dBmV and 15 dBmV
    INCORRECT outside the previous ranges

Log

The script keep a log file with the retrieved values for RX and TX:

2020-07-09 19:00:24 | SUCCESS | tx: 46,2 dBmV
2020-07-09 19:00:24 | SUCCESS | rx: -2,3 dBmV
2020-07-10 10:34:26 | SUCCESS | tx: 45,5 dBmV
2020-07-10 10:34:26 | SUCCESS | rx: -2,5 dBmV

Requirements

IMPORTANT: This script requires Python >= 3.8

Install requirements

$ pip install -r requirements.txt

Execution

$ python niveles_prima.py

Monitoring

A way to monitoring a connection could be using the watch command.

For example, to check the levels (and store them in the log file) every minute:

$ watch -cn 60 python niveles_prima.py

Docker execution

Build the image

$ docker build -t niveles-prima .

Run the container

$ docker run -it --rm --name check-niveles-prima niveles-prima