Author: admin

Access Your Quantar Using a Cisco Router

The AUX port on Cisco routers is a asynchronous serial port configured as data terminal equipment (DTE). Adapters for connections to PC terminals, modems, or other external communications equipment are available, or can be DIYed. Sounds not to bad as a starting point to try if it is possible to get access to the serial port […]

Nport 5600 Serial Device Servers Security

After I heard a Maxon NPort 5600 server is used to remotely read/write a repeater, I did some research on the security and vulnerability of the Nport 5600 series. At first everything looks Okish, the server is password protected, no one can get access neither through the browser nor through the command line interface. But does an intruder, […]


The P25.IO team will post about modifications and repair related to older Astro, Astro25 and Quantar P25 equipment. This is a place to provide information to the P25 community and to prevent good information from being lost. If you have something to contribute, feel free to contact us. Contact