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Redundant Power supply
The DTS 4020 allows different options for a 2
nd
power supply for redundant power supply
operation:
Options 1:
DC/DC Power Supply
Options 2
AC/DC Power Supply
Options 3
Power over Ethernet (PoE)
1. Non-redundant power supply:
Only one power connector is plugged in on connector Power Supply1
Notice:
In the menu: ‘2 Configuration’
‘4 General’
‘3 Power’ must be set to
'0=single'.
2. Redundant power supply:
A 2
nd
power connector is plugged in on connector Power Supply2 or PoE is available on
LAN1 interface.
Supply is checked once per minute for correct functioning.
The alarm 03: ‘Failure red. Supply’ is set in case of error.
Notice:
In the menu: ‘2 Configuration’
‘4 General’
‘3 Power’ must be set to
'1=redundant'.
Notice:
All power supply inputs are working and can be used regardless off the
configuration. The configuration advises the DTS to supervise both power
supplies and generate a possible alarm.
