DSC HS2128 Reference Manual page 14

Figure 2-2 Wiring Routing (EN50131 only)
2.3.3 Corbus Wiring
The RED and BLK Corbus terminals are used to provide power while YEL and GRN are used for data communications. The
4 Corbus terminals of the alarm controller must be connected to the 4 Corbus terminals or wires of each module.
The following conditions apply:
Corbus should be run with minimum 22 gauge quad, two pair twisted preferred.
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The modules can be home run to the panel, connected in series or can be T-tapped.
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Section 2: Installation
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