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External Network Connection
The ferrite is supplied with the VC4™ product, and it is in the accessary kit in the product
package.
Note: To maintain EMC certification, the Ethernet cable should make 1 loop through the
supplied ferrite cable clamp. The clamp should remain on the outside of the VC4™ enclosure.
3.7 Installation Step 7: Wiring Alarm Relays
RISK of electric shock. Use caution when servicing fuses or terminal blocks. Power to
contacts is supplied externally.
3.7.1 Relay Contacts
The VC4™ system has 14 form C, single-pole, double-throw relays that activate external alarm
devices. Contacts are available for each circuit to accommodate installation of external devices.
The relay panel may be removed from the VC4™ chassis without disconnecting relay wiring.
This allows you to replace the VC4™ system without having to reinstall the relay connections.
Each relay has three terminal contacts.
Normally open
l
Fused common
l
Normally closed
l
VC4™
WARNING
29
User Manual
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