With DPT
Parallel mode or eXtra Device Port (XDP) mode can be selected through system programming.
If XDP mode is enabled through system programming, parallel connection is not possible. Refer to
"1.11.9 Parallelled Telephone" and "2.1.1 Extension Port Configuration" in the Feature Guide for further
information.
Using a Modular T
-Adaptor
To DHLC4 card
SLTDPT
Modular
T-Adaptor
4-conductor wiring cord
Connect pins "D1" and
"D2".
2-conductor wiring cord
Connect pins "T" and "R".
Using an EXtra Device Port
With KX-DT300 Series DPT (except KX-DT321)
To DHLC4 card
DPT SLT
To DHLC4 card
To SLT
2-conductor wiring cord
Connect pins "T" and "R".
4-conductor wiring cord
Connect pins "T", "R",
"D1" and "D2".
104 Installation Manual
3.8.2 Parallel Connection of the Extensions
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