Publicité
Les langues disponibles
Les langues disponibles
ARF868 Radio Modems- Guide utilisateur / User guide version V2.2.3
1.10. Protection of remote aerial modems against overloads
It is sometimes 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 ARF868
modem (products with remote aerials). It is important to follow the manufacturer's recommendations. The diagram below shows an example of
a lightning arrester installation.
No
Description
1
TNC connector of ARF868 modem
2
Mounting nut
3
Tooth lock washer
4
12-10 AWG wire
(must be earthed)
5
Round terminal
6
O ring seal
7
Lightning arrestor
8
Male-Male TNC adapter
9
Aerial
2. Electrical and radio specifications
2.1. Maximum values
Parameters
Voltage
Storage temperatures
2.2. General specifications
Parameter
Power supply
TX @27dbm
TX @20dBm
TX @14dBm
TX @10dBm
RX
Operating temperature
Min
Typ
4.5
12
-40
20
Min
4.5V
12V
600mA
240mA
290mA
153mA
170mA
98mA
130mA
75mA
65mA
26mA
-30°C
Reference
delivered with product
delivered with product
RS : 613-9429
delivered with product
RS : 111-658
RS : 193-7953
Max
Unit
36
+85
Max
24V
36V
145mA
95mA
86mA
63mA
53mA
36mA
40mA
27mA
15mA
7mA
+70°C
Conditions
V
°C
Page
43
of of 60
FR
EN
Publicité
