The EKI-7657C supports two mounting methods: DIN-rail & Wall.
2.3.1Wall mounting
EKI-7657C can be wall-mounted by using the included mounting kit. Then, hang on the EKI-7657C to the nails on the wall.
First, use the screws included in the package to combine the EKI-7657C and metal mounting kit. And then you can install the device firmly via the components, please see Figure 2.5 as below.
Figure 2.5: Combine the Metal Mounting Kit (units: mm)