To each type of device config inevitably vary, depending on the type of job, but even in the same category, but each individual brand or model the format of config. Surely different.
The config Each device will vary depending on the type of job, but even the same type but different versions of the same brand or model config. It is different from the next.
The config each device type is different depending on the type of work, but even as the same type but different brand or the different model patterns config. Inevitably different.