With Other DPT
To DHLC8 card
4-conductor wiring cord
Connect pins "T", "R",
"D1" and "D2".
TO EMSS or TO MAIN UNIT
To DHLC8 card
2-conductor wiring cord
Connect pins "T" and "R".
DPT
SLT
TO TEL
3.8 Connection of Extensions
To SLT
Installation Manual
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