并且在实现双接入服务器热备份的同时，不需要另外增加外部设备，降低了系统的复杂度，提高了系统的可靠性。
And it realizes the thermal backup of double access servers and at the same time, does not need additional external devices, reduces the system complexity and enhances the system reliability.
可以通过跳线接入外部的模拟输入设备到本设备的数字接口中。
They can be connected to Analogue inputs by jumper wires to provide additional digital connections on the digital inputs interface.
应用推荐