User's Guide

17 September 2021
NG Series Industrial Wireless Gateway User Guide
DIVIGRAPH
Doc No. 20DD1980
Revision 4
Copyright © 2021 Divigraph (Pty) Ltd. All Rights Reserved
22
Outdoor Mounting
When installing outdoors, the gateway should be mounted upright, and the supplied connector guard
must be installed to protect against UV exposure as shown in Figure 4.
Figure 4: Connector guard installed for protection against UV exposure
Ground Connection
NG Series Industrial Wireless Gateways must be grounded using a suitable gauge grounding wire
connected to the grounding lug attachment point on the enclosure.
Surge Protection
The following information is intended as guidelines only and does not replace the need for surge
protection assessment and installation by a suitably qualified person according to local regulations.
General guidelines for surge arrester selection and application principles are given in standards such as:
IEC 61643-12 - Low-voltage surge protective devices - Part 12: Surge protective devices connected to
low-voltage power systems - Selection and application principles.
IEC 61643-22 - Low-Voltage Surge Protective Devices - Part 22: Surge Protective Devices Connected
To Telecommunications And Signalling Networks - Selection And Application Principles.
Refer to your site-specific requirements for selection and installation of surge arresters.