Yealink SIP-T48S User Manual

Getting Started
19
Wall Mount Method (Optional)
Note
2) Connect the handset and optional headset
Note
The EXT port can also be used to connect an expansion module EXP40.
For more information on how to use EHS36 and EXP40, refer to Yealink EHS36 User Guide and
Yealink EXP40 User Guide .
The hookswitch tab has a lip which allows the handset to stay on-hook when the IP phone is
mounted vertically.
The top two slots are plugged up by silica gel. You need to pull out silica gel before attaching the
wall mount bracket. For more information on how to attach the wall mount bracket, refer to
Yealink Wall Mount Quick Installation Guide for Yealink IP Phones .

Yealink SIP-T48S Specifications

General

Mounting	Desk/Wall
Handset type	Wired handset
Product type	IP Phone
Product color	Black
Keypad illumination	Yes
Display diagonal	7 \
Display resolution	800 x 480 pixels
AC adapter input voltage	100 - 240 V
AC adapter output current	2 A
AC adapter output voltage	5 V
USB 2.0 ports quantity	1
Ethernet LAN (RJ-45) ports	2
Front camera	No
Voice codecs	CNG, G.711Mu, G.711a, G.722, G.723.1, G.726, G.729ab, VAD, iLBC
Lines quantity	16 lines
Phonebook capacity	1000 entries
Number of VoIP accounts	16
Dual-Tone Multi-Frequency (DTMF) modes	In-band, Out-of band, SIP info
Keypad number of keys	42
Security algorithms	AES
Networking standards	IEEE 802.3af
Ethernet LAN data rates	10, 100, 1000 Mbit/s
Ethernet LAN interface type	Gigabit Ethernet
Supported network protocols	SIP v1, SIP v2, LLDP/CDP/DHCP, OpenVPN, IEEE802.1X, IPv6, HTTPS
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	225 mm
Width	266 mm
Height	185 mm
Package depth	263 mm
Package width	324 mm
Package height	128 mm