Figure 7- Digital In Terminal Connections; Figure 8- Connect Visual And Audible External Indicators - Network Technologies ENVIROMUX-SEMS-16 Installation And Operation Manual

NTI SERVER ENVIRONMENT MONITORING SYSTEM
3. To connect contact sensors without using RJ45 connectors, terminal blocks have been provided labeled "DIGITAL IN". Two
wire switch-only type sensors can be connected to the plus (+) and minus (-) terminals of each or 4 sets of terminals.
sensors require a 12V power source to operate, additional 12V and ground terminals have been provided for each set of
terminals. Connect each two-wire or four-wire contact sensor using 16-26 AWG wire.
Devices connected to DIGITAL IN terminals 1-7 must be rated at
Devices connected to DIGITAL IN terminal 8 must be rated at
FYI: The terminal block is removable for easy sensor wire attachment if needed.
DIGITAL IN
1 2
+ 12V + 12V
Switch
Only

Figure 7- DIGITAL IN Terminal Connections

4. Terminals have been provided for connection of the ENVIROMUX-BCN-R Beacon and ENVIROMUX-SRN-M Siren to
use for visual alerts and audible alerts when configured.
to get attention. All devices must be installed using 16-26 AWG wire.
WARNING
Devices connected cannot
exceed 180mA contact
load.
3 4
+ 12V + 12V
Switch w/
12VDC powered
device

Figure 8- Connect visual and audible external indicators

50mA
650mA
NOTE: If used, the ENVIROMUX-
EDR-SF\ENVIROMUX-EDR-SCR
Electric Strike should be connected
to DIGITAL IN terminal 8 for power.
1
+ 12V + 12V
Devices such as this can be installed in locations best suited
11
If the
or less.
or less.
DIGITAL IN
2 3 4
5 6
+ 12V + 12V
+ 12V + 12V + 12V
7 8
+ 12V