cics CCL4408E

Question

最近发现cics 客户端老是报CCL4408E TCP/IP (to RGXXX) recv failed,Errno=110(ETIMEDOUT)
user response为：the TCP/IP protocol driver could not receive data from a server. the server value identifiers the server ......
没有更详细的可以参考，哪位达人可以帮帮我，解释一下原因啊？感激不尽。