Proper Documentation on how to connect Lorawan Gateway Module with chirpstack

Lorawan gateway module a hardware device which have command line debian GNU/Linux 12 raspberry ttyl and chirpstack installed on different laptop. gateway bridge, network server , application server, db , mosquitto everything running in chirpstack the only issue or doubt how to connect the gateway on chirpstack. not able to find proper documentation

Hi, I run my gateway separately on a dedicated raspberry pi 4 and uses chirpstack gateway os.
It uses Openwrt as OS.

and run the rest of Chirpstack components using Docker on another pi 4, this time with linux.

How to get same interface which is showing on link because my interface showing just chirpstack not chirpstack concentrator