4.3.4 DLC2 in the Main Unit (installed by default)
Function
• 2 digital extension ports for DPTs and PT-interface CSs.
Pin Assignments
For DLC port
No. Signal Name Function
1 D1 A Data port 1 (Low)
2 D2 A Data port 1 (High)
3 D1 B Data port 2 (Low)
4 Reserved –
5 Reserved –
6 D2 B Data port 2 (High)
7 Reserved –
8 Reserved –
Document Version 2016-03 Installation Manual 113
4.3.4 DLC2 in the Main Unit (installed by default)