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2.7 Connection of Extensions
Installation Manual 115
2.7.2 Parallel Connection of the Extensions
Any SLT can be connected in parallel with an APT or a DPT as follows.
Note
In addition to an SLT, an answering machine, a fax machine or a modem (PC) can be connected in
parallel with an APT or a DPT.
With APT
For parallel connection, eXtra Device Port (XDP) mode must be disabled for that port through system
programming. Refer to "1.10.9 Paralleled Telephone" and "2.1.1 Extension Port Configuration" in the
Feature Guide for further information.
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 "1.10.9
Paralleled Telephone" and "2.1.1 Extension Port Configuration" in the Feature Guide for further information.
Using a Modular T-Adaptor
To DHLC8 card
4-conductor wiring cord
Connect pins "T", "R", "D1",
and "D2".
2-conductor wiring cord
Connect pins "T" and "R".
SLTAPT
Modular
T-Adaptor
To DHLC8 card
SLTDPT
Modular
T-Adaptor
4-conductor wiring cord
Connect pins "D1" and
"D2".
2-conductor wiring cord
Connect pins "T" and "R".