The DSC PC4116 MAXSYS Alarm Zone Expander allows for up to 16 additional zones of a Maxsys PC4020 security system. Made by DSC and compatible with ADT systems, this wired unit is designed for easy connectivity and is manufactured in Canada. Ideal for expanding the security coverage, this zone expander from the trusted brand DSC is a reliable and efficient option for enhancing security.

The DSC Maxsys Series PC4020 base panel is 16-zones and is expandable up to 128 zones. Expansion can be accomplished over a 4-wire Combus using a variety of input/output and functional modules such as this PC4116 zone expander. The base panel includes two addressable loops which can accommodate up to 112 addressable input devices and the system can also be expanded with a 64-zone wireless receiver which connects to the system via the 4-wire Combus. Addressable, hardwired and wireless expansion can be used in any combination that suits the application.

Please understand that Zone Expansion Modules are not plug and play and that some programming and system setup is involved.

Don't hesitate to ask if you have questions about compatibility concerns with other equipment or about what is involved to install it.

We Combine Shipping!

Please request an invoice before paying if combining with items from our other listings.

At checkout you may have options, for example there may be choices for Economy, Standard and Expedited shipping. If you need something sooner or shipped with a different carrier, please contact us before checkout and we will try to accommodate your request.