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17
Controls
5.10
Adjustable jumpers on the NetGuardian 16A circuit board
Control Relays 3 and 4 on your NetGuardian are configured for Normally Open or Normally Closed (NO/NC)
operation via jumpers on the NetGuardian's PC board.
By default, relays 3 and 4 are set for Normally Open (NO) operation.
To access your control relay jumpers, remove the top of the NetGuardian chassis. Start by removing the top 3
screws on the unit, then the bottom 3 screws. Remove the front 2 screws on the craft port and remove the lid.
WARNING: Always observe anti-static precautions whenever accessing your NetGuardian's PC Board
Jumper settings for analog alarm inputs and control relays
Reference the jumper settings in the image above to correctly configure Control Relays 3 and 4.
Note: Default control relay operation may differ depending on your NetGuardian's build options.
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