I.SITE III User Manual
© SWISSPHONE Wireless AG
Version 1.1
Page 8/20
3
System Description
3.1 Housing and Electronics
The I.SITE III is shipped in a rugged metal housing. All electrical connections are provided as
water-proof cable feed-throughs.
All of the electronics are integrated into a rugged, IP65-protected wall housing. This housing is
suitable for indoor and outdoor installation alike.
3.2 Protective Measures
You must connect the device to your mains grid’s protective earth (neutral point located directly
after input in housing).
3.3 Antenna System
The antenna to be deployed requires an impedance of 50
Ω
at a suitable user frequency. Use an
N-type connector to connect the antenna to the housing.
Swissphone recommends the use of Kathrein antenna products.
3.4 I.SITE III Hardware Components
1
Power supply - AC/DC converter with battery charging port and deep discharge protection
2
Transmission unit (TX for max. 25W)
3
Controller board (control unit with connections for LAN and input contacts)
4
Backup battery (12V/2.3Ah) optionally available
3.4.1
Power Supply
The power supply provides an output voltage of +13.8VDC. The input voltage must be between
90VAC and 240VAC at 50-60Hz.
2
4
1
3
