AASTRA DT4x2 for BusinessPhone User Guide EN - Manual (Page 112)

Installation
BusinessPhone – Cordless DT412/DT422/DT432 112
Chargers
Desktop charger for Cordless DT412/DT422/DT432
The desktop charger is used for charging your Cordless, but also
for storing it when you are placed at one location, for example at
your desk.The tilted design facilitates the use of handsfree
operation, i.e. in loudspeaking mode. The charger is delivered with
a plug-in power supply and is connected into an ordinary wall
socket.
Important!
Only use the equipment designed for the DT412/DT422/DT432
phones, see below.
* power supply.
Battery
type Battery pack
article number Charger article
number Programmer article
number Rack charger article
number Battery pack adapter
for rack charger
DT412 and DT422
NiMH Only
BKBNB 220 21/1
NTM/DPYNB 220 21/1,
NTM/DPYNB 220 21/2,
NTM/DPYNB 220 21/3
or DPY 901 624/1
NTM/DPYNB 220 28/1,
NTM/DPYNB 220 28/2,
NTM/DPYNB 220 28/3
or LTT 999 07/1
DPYNB 101 54/1
(*BMLNB 101 54/1)
or DPY 901 642/1
DPYNB 220 29/1
or DPY 901 495/1
DT412 v2 and DT422 v2
Li-Ion Only
BKBNB 902 44/1
NTM/DPYNB 220 21/1,
NTM/DPYNB 220 21/2,
NTM/DPYNB 220 21/3
or DPY 901 624/1
NTM/DPYNB 220 28/1,
NTM/DPYNB 220 28/2,
NTM/DPYNB 220 28/3
or LTT 999 07/1
DPYNB 101 54/1
(*BMLNB 101 54/1)
or DPY 901 642/1
Only
DPY 901 495/1
DT432
Li-Ion Only
DPY 901 639/1
Only
DPY 901 624/1
Only
LTT 999 07/1
Only
DPY 901 642/1
Only
DPY 901 495/1