AudioCodes 405 - Figure 2-2: Rear View; Table 2-2: Rear View Description (from L-R)

405 and 405HD IP Phone
User's Manual 14 Document #: LTRT-12045
Figure 2-2: Rear View
Table 2-2: Rear View Description (from L-R)
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 Mbps downlink).
Internet
RJ-45 port to connect to the Ethernet LAN cable for the LAN connection (uplink -
10/100 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.