Yealink SIP-T27G Quick Start Guide

4. Connect the network and power, as shown below:
You have two options for network and power connections. Your system administrator will advise you which one
to use.
After the IP phone is connected to the network and
supplied with power, it automatically begins the
initialization process. After startup, the phone is ready
for use. You can configure the phone via phone user
interface or web user interface.
Startup
2
Note: The IP phone should be used with Yealink original power adapter (5V/1.2A) only. The use of the
third-party power adapter may cause the damage to the phone. If you are connecting a PC to your phone
,
we recommend that you use the Ethernet cable provided by Yealink.
If inline power (PoE) is provided, you don’t need to connect the power adapter. Make sure the hub/switch
is PoE-compliant.
Note: The USB port can also be used to connect Bluetooth USB dongle BT40 or Wi-Fi USB dongle WF40. The
Bluetooth USB dongle BT40 or Wi-Fi USB dongle WF40 should be purchased separately. For more
information on how to use the BT40 and WF40, refer to Yealink Bluetooth USB Dongle BT40 User Guide
and Yealink Wi-Fi USB Dongle WF40 User Guide
.
3. Connect the USB flash drive, as shown below:
PC Connection
(Optional)
IEEE 802.3af compliant
PoE Hub/Switch
A
B
AC Power Option
PoE ( Power over
Ethernet ) Option
PC
PC Connection
(Optional)
Power Adapter
(DC 5V)
PC

Yealink SIP-T27G Specifications

General

Mounting	Desk/Wall
Handset type	Wired handset
Product type	IP Phone
Product color	Black, Gold
Wall mountable	Yes
Display diagonal	3.66 \
Display resolution	240 x 120 pixels
RJ-9 ports quantity	2
USB 2.0 ports quantity	1
Voice codecs	CNG, G.711, G.722, G.723.1, G.726, G.729, G.729ab, VAD, iLBC
Dual-Tone Multi-Frequency (DTMF) modes	SIP info
Lines quantity	8 lines
Phonebook capacity	1000 entries
Number of VoIP accounts	6
Bluetooth	-
Security algorithms	AES, MD5
Networking standards	IEEE 802.1Q, IEEE 802.1p, IEEE 802.1x, IEEE 802.3af
Ethernet LAN interface type	Gigabit Ethernet
Volume control	Digital
Operating temperature (T-T)	-10 - 50 °C
Operating relative humidity (H-H)	10 - 95 %
Cables included	LAN (RJ-45)
Number of handles included	1 pc(s)
Harmonized System (HS) code	85171800

Weight and Dimensions

Depth	210 mm
Width	265 mm
Height	170.5 mm