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

"13.1.2 Paralleled Telephone" and "5.1.7 Extension Port Configuration" in the Feature Manual 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 MAIN UNIT
/ PABX
TO TEL
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".
Document Version 2011-10 Installation Manual 91
3.8.2 Parallel Connection of the Extensions