3.3 Design and equipment
3.3.1 Inside view
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Fig.: 3. Structure
1. Cable entry points
2. Antennas
3. ACU V4
4. Shielding terminal
5. Terminals 3 and 4 for Downgrade input
6. Connection to power supply
7. Terminals 1 and 2 for RS-485-Bus
8. Terminal for protective conductor (PE)
9. Bottom part of enclosure
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3.3.2 ACU V4
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Fig.: 4. ACU V4
Connections
RS-232: Bus
RS-485: Bus
ETH0: LAN
ETH1: LAN
IN0 / IN1 / OUT: Downgrade input
Displays
SIM: GPRS status
WAN: Internet connection
DAT: Data transmission over antenna
PWR: Power (ready for use)
STS: Status of devices