HUAWEI HG8145V5 Device offline error

Hello, i am new to genie acs. i am facing issue with huawei device shows offline when clicked summon button, thought the device shows online in genie acs and is pingable from the acs server. i also have nokia and zte in the network and they work absolutely fine.

when types the curl command gives command connection reset by peer.

please suggest how to make huawei work with genie acs