AudioCodes 405HD - Cabling

405HD IP Phone for Microsoft Skype for Business
User's Manual 14 Document #: LTRT-12044
Table 2-2: Rear View Description
Label Description
DC
12V DC power jack that connects to the AC power adapter.
PC
RJ-45 port for connecting the phone to a PC (10/100/1000 Mbps downlink).
Internet
RJ-45 port to connect to the Ethernet LAN cable for the LAN connection (uplink -
10/100/1000 Mbps). If you're using Power over Ethernet (PoE), power to the
phone is supplied from the Ethernet cable (draws power from either a spare line or
signal line).
Headset jack, i.e., RJ-9 port that connects to an external headset.
Handset jack, i.e., RJ-9 port, to connect the handset.
2.3 Cabling
This section shows how to cable your phone.
Table 2-3: Cabling
Step Description
1 Connect the handset cord's shorter straight end to the handset. Connect the longer, straight
end to the jack on the phone.
2 Connect the RJ-45 Internet port to your LAN network (LAN port or LAN switch/router), using a
CAT 5 / 5e Ethernet cable.
3 Connect the RJ-45 PC port to a computer, using a CAT 5 / 5e straight-through Ethernet cable.
4 Connect the connector tip of the power adapter to the phone’s power socket (labelled DC
12V). Connect the two-prong adapter directly to the electrical wall outlet.
5
Connect the RJ-9 headset jack to a headset (optional)
Note: If the LAN to which the phone is connected supports Power over Ethernet (PoE), no
AC adapter is required; the phone receives power from the Ethernet network.
Prior to connecting power, refer to the Compliancy and Regulatory Information at
www.audiocodes.com/library.