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2.7 Connection of Extensions
Installation Manual 137
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
With DPT
Parallel mode or eXtra Device Port (XDP) mode can be selected through system programming.
If the XDP mode is enabled through system programming, parallel connection is not possible. Refer to
"1.10.9 Parallelled 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".