NTI ENTERPRISE ENVIRONMENT MONITORING SYSTEM
21
DC Power Option
The E-16D is available with connections for DC power connection. The E-16D-48V can be connected to a 36~72VDC (48VDC
nominal) power supply. The E-16D-24V can be connected to a 18~36VDC (24VDC nominal) power supply. Each has
connections on the rear for a user-supplied DC power supply (minimum 27 watt). This is typically used when the ENVIROMUX is
installed in a Telecom environment. The E-16D-xxV will accept a DC power source with positive or negative polarity. A
removable 3-pole screw terminal is provided for easy connection. The image below shows an E-16D-48VDP, which has dual
48VDC power connections for a dual power supply option (also available for the 24VDC model).
Figure 20- 48VDC Power Option Connections
Power Connection- E-5D/-2D
Note: Sensors should be connected before supplying power to the ENVIROMUX.
Connect the AC adapter to the connection marked "PWR1" or “PWR2” on the ENVIROMUX and plug it into an outlet. If you have
an alternate source of 9V power for the ENVIROMUX, the second PWR connection is provided to make that source available. If
the source connected to “PWR1” is lost for any reason, the ENVIROMUX will automatically switch to receiving power from the
source connected to “PWR2”.
Figure 21- Connect the AC adapter and power-up
Port for backup power
source is available for use
E-5D(B)-IND uses a 9VDC 5A
power supply with 2.5mm x
5.5mm Female connector.
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