Getting  Started 
33 
For SIP-T27G: 
 
Note 
For SIP-T23P/T23G/T21(P) E2: 
 
For SIP-T19(P) E2: 
 
Connecting the Power and Network 
AC Power (Optional) 
To connect the AC power and network: 
1)  Connect the DC plug of the power adapter to the DC port on the IP phone and connect 
the other end of the power adapter into an electrical power outlet. 
2)  Connect the included or a standard Ethernet cable between the Internet port on the IP 
Wireless headset adapter EHS36 should be purchased separately. For more information on how 
to use the EHS36 on the IP phone, refer to 
Yealink EHS36 User Guide.
 
The EXT port on SIP-T48G/T48S/T46G/T46S IP phones can also be used to connect the 
expansion module EXP40. The EXT port on SIP-T29G/T27P/T27G IP phones can also be used to 
connect the expansion module EXP20. For more information on how to connect the 
EXP40/EXP20, refer to
 Yealink EXP-specific user guide
.