Installing KX-DT301/KX-NT303
14 Document Version 2009-03
Save this manual for future use. For more details, please refer to the manuals of the PBX. Note: In this manual, the suffix of each model number is omitted unless necessary. Accessories (included).1 This telephone comes with the wall mounting adaptor already attached.
Installing KX-DT301/KX-NT303
1. Open the cover.
2. Attach the KX-NT303 to your
unit with the screws (included
with KX-NT303).
3. Plug the flat cable into the
connector (
A), then bend the
cable slightly as shown (
B).
4. Close the cover.
CAUTION:
• To prevent damage to the telephone, be sure to unplug the
extension line before you set up or remove the KX-DT301 (USB
Module) or the KX-NT303 (Add-on 12 Key Module).
• Connect the KX-NT303 first when installing both the KX-DT301
and the KX-NT303.
KX-NT303
The Add-on 12 Key Module allows 12
additional flexible buttons to be added to this
unit. These buttons are used to seize a CO
line, make a call using One-touch Dialing, or
perform a feature that has been assigned to
the key.
<with a KX-DT346>

<KX-DT346>
Document Version 2009-03
Thank you for purchasing a Digital Proprietary Telephone (DPT).
Please read this manual carefully before using this product and
save this manual for future use. For more details, please refer to the
manuals of the PBX.
Accessories (included)

*1
For extra orders for the accessories, call toll-free: 1-800-332-5368.
*2
This telephone comes with the wall mounting adaptor already attached.
To remove the adaptor, refer to step 1 on page 17.
Handset: 1
Handset Cord: 1
Wall Mounting
Adaptor
: 1
Panasonic Kx-dt343 Phone Manual
Screws for wall: 2
Telephone Line
Cord: 1
Quick Reference Guide
Panasonic Kx-dt333 Telephone User Manual
Model No.

KX-DT333/KX-DT343/KX-DT346
Digital Proprietary Telephone