TREX ABAP connection

Hi Guys,
Our TREX RFC connection to backend ABAP system keep going down every few days....
A quick restart of TREX solves the problems....I get errors in trex traces directory like:
T:1489906240 ======> Connect to SAP gateway failed
I suspect this might be due to some timeout at SAP gateway side or something like that....the TREX is not used heavily so I suspect that inactivity for long periods is causing this...
How can I solve this...will some parameters like gw/reg_timeout be relevant here?
Thanks
Cyrus

Hi,
Please see the below link.
[http://help.sap.com/saphelp_nw04/Helpdata/EN/21/c6a73860bf5f2ce10000009b38f8cf/content.htm]
[http://help.sap.com/saphelp_nw04/helpdata/EN/7c/e75c6798dc40269fd7213ff01c9aa8/content.htm]
Regards
Krishna

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