Yealink SIP-T40G Administrator's Guide

Network Configurations
59
Default
1
Sup-
ported
Devices
All phones except CP920
Web UI
Network > PC Port > PC Port Active
Para-
meter
static.network.internet_port.speed_duplex
[1]
<y0000000000xx>.cfg
Descrip-
tion
It configures the network speed over Ethernet of the Internet port.
Note: For
T57W/T54W/T53W/T53/T48U/T48S/T48G/T46U/T46S/T46G/T43U/T42U/T42G/T42S/T40G/T29G/T27G/-
T23G/CP920 phones, you can set the transmission speed to 1000Mbps/Auto Negotiation to transmit in
1000Mbps if the phone is connected to the switch supports Gigabit Ethernet. We recommend that you
do not change this parameter.
Permitted
Values
0-Auto Negotiation
1-Full Duplex 10Mbps
2-Full Duplex 100Mbps
3-Half Duplex 10Mbps
4-Half Duplex 100Mbps
5-Full Duplex 1000Mbps (only applicable to
T57W/T54W/T53W/T53/T48U/T48S/T48G/T46U/T46S/T46G/T43U/T42U/T42G/T42S/T40G/T29G/T27G/-
T23G/CP920 phones)
Default
0
Web UI
Network > Advanced > Port Link > WAN Port Link
Para-
meter
static.network.pc_port.speed_duplex
[1]
<y0000000000xx>.cfg
Descrip-
tion
It configures the network speed over Ethernet of the PC port.
Note: It works only if “static.network.pc_port.enable” is set to 1 (Auto Negotiation). For
T57W/T54W/T53W/T53/T48U/T48S/T48G/T46U/T46S/T46G/T43U/T42U/T42G/T42S/T40G/T29G/T27G/-
T23G phones, you can set the transmission speed to 1000Mbps/ Auto Negotiation to transmit in
1000Mbps if the phone is connected to the switch supports Gigabit Ethernet. We recommend that you
do not change this parameter.
Permitted
Values
0-Auto Negotiation
1-Full Duplex 10Mbps
2-Full Duplex 100Mbps
3-Half Duplex 10Mbps
4-Half Duplex 100Mbps
5-Full Duplex 1000Mbps (only applicable to
T57W/T54W/T53W/T53/T48U/T48S/T48G/T46U/T46S/T46G/T43U/T42U/T42G/T42S/T40G/T29G/T27G/-
T23G
Default
0
Sup-
ported
Devices
All phones except CP920

Yealink SIP-T40G Specifications

General

Mounting	Desk/Wall
Handset type	Wired handset
Product type	IP Phone
Product color	Black
Wall mountable	Yes
Wi-Fi	No
Security algorithms	AES, HTTPS, SSL/TLS
Networking standards	IEEE 802.3af
Ethernet LAN interface type	Gigabit Ethernet
Supported network protocols	FTP, TFTP, HTTP, HTTPS
Voice codecs	G.711, G.711a, G.711u, G.722, G.726, G.729ab
RJ-11 ports quantity	1
Ethernet LAN (RJ-45) ports	2
AC adapter input voltage	100 - 240 V
AC adapter output current	0.6 A
AC adapter output voltage	5 V
Power consumption (typical)	1.6 W
Certification	CE, FCC, ISO 9001
Operating temperature (T-T)	-10 - 50 °C
Operating relative humidity (H-H)	10 - 90 %
Volume control	Digital
Display diagonal	2.3 \
Display resolution	132 x 64 pixels
Lines quantity	3 lines
Phonebook capacity	1000 entries
Number of VoIP accounts	3
Number of handles included	1 pc(s)

Weight and Dimensions

Depth	175 mm
Width	212 mm
Height	54 mm