2.6 Connection of Extensions
88 Installation Manual
2.6.2 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 and a DPT.

With APT

For parallel connection, eXtra Device Port (XDP) mode must be disabled for that port throu gh system
programming. Refer to "1.13.2 Paralleled Telephone" and "1.5.7 Extension Port Configuration" in the
Feature Manual 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 co nnection is not possible. Refer to "1.13.2
Paralleled Telephone" and "1.5.7 Extension Port Configuration" in the Feature Manual for further
information.
To a Super Hybrid Port
4-conductor wiring cord
Connect pins "T", "R", "D1",
and "D2".
2-conductor wiring cord
Connect pins "T" and "R".
SLTAPT
Modular
T-Adaptor