Yealink SIP-T54S Administrator's Manual page 60

Administrator's Guide for SIP-T2 Series/T19(P) E2/T4 Series/T5 Series/CP860/CP920 IP Phones
phone and the one on the wall or switch/hub device port.
For SIP-
T54S/T52S/T48G/T48S/T46G/T46S/T42G/T42S/T41P/T41S/T40P/T40G/T29G/T27P/T27G/T
23P/T23G/T21(P) E2/T19(P) E2:
For CP860:
For CP920:
Note The IP phone should be used with Yealink original power adapter only. The use of the third-
party power adapter may cause the damage to the phone.
You can also connect the SIP-T54S/T52S/T48G/T48S/T46G/T46S/T42S/T41S/T29G/T27G/CP920
IP phone to a wireless network according to your office environment. For more information,
Yealink phone-specific user guide
refer to
34
.