ADEUNIS RF - WMBUS GPRS GATEWAY USER GUIDE V2.5.1
11
Page
of 19
Front
Serial number
Antenna external
connector
2.4. General description
Note: the term «external antenna» means 868MHz antenna for receiving frames WMBUS
2.4.1 External antenna / Self-powered version ARF8011BA
AMR gateways external antenna version are supplied with the following accessories :
• 868MHz antenna / antenna fasteners / antenna holder adaptor/ TNC extension cable
2.4.2 Protection of External antenna Gateway against overloads
It is necessary to protect the product against lightning. When the product is positioned high up it can potentially be struck by lightning
which results in irreversible damage to the product. All lightning arrester systems can be installed between the aerial and the AMR
Gateway. It is important to follow the manufacturer’s recommendations. The diagram below shows an example of a lightning arrester
installation.
N°
Description
Reference
1
TNC connector of ARF868 modem
2
Mounting nut
delivered with product
3
Tooth lock washer
delivered with product
4
12-10 AWG wire
(must be earthed)
5
Round terminal
RS : 613-9429
6
O ring seal
delivered with product
7
Lightning arrestor
RS : 111-658
8
Male-Male TNC adapter
RS : 193-7953
9
Aerial
