13
CHAPTER 3: Installation and Operation
3.4 Connecting to Your Cellular Telephone
The connector on this headset is a 2.5 mm plug. If your
cellular phone does not have a 2.5 mm receptacle,
optional cellular adapters are available from Black Box.
Insert the headset plug into the headset port or adapter
(if required) on your telephone.
Figure 3-3. Connecting to the Mobile Telephone via the 2.5 mm
Connector.
2.5 mm
port
1
ABC
2
DEF
3
MNO
6
WXYZ
9
#
JKL
5
TUV
8
OPER
0
*
GHI
4
PQRS
7
