The target System Interface cannot process the request from Mediator and generates a Negative transmissionresponse back to the Mediator.
目标系统接口无法处理来自中介的请求，并生成一个Negative传输响应发送回中介。
2
The Mediator cannot process the request from the source System Interface and generates a Negative transmissionresponse back to the System Interface
中介无法处理源系统接口的请求，并生成了一个 Negative 传输响应发送回该系统接口
3
The System Interface receives the request and provides a transmissionresponse back to the Mediator announcing whether or not it has successfully received the data.