Cabling The Phone - AudioCodes C450HD Quick Manual

Note: The Expansion Module option is purchased separately as a standalone unit. For
instructions on how to connect it to the phone, see the C450HD and C455HD Expansion
Module Installation Guide.

3. Cabling the Phone

Warning: Prior to connecting power, refer to the Compliancy and Regulatory Information
document at https://www.audiocodes.com/library/technical-documents.
 To cable the phone:
1. [Refer to the illustration below] Connect the short, straight end of the phone cord to the
handset and the longer straight end of the cord to the handset jack on the phone.
2. (Optional) Connect a headset to the RJ-9 headset port , or to the USB 'Host port' – the
rightmost port, shown in the next figure (the color of the inner connector is white . Note that
the second USB 'Device port' – the leftmost port, shown in the next figure – is for future use.
3. Connect the RJ-45 LAN port to your LAN network (LAN port or LAN switch/router) with a
CAT5 / 5e Ethernet cable.
4. Connect the RJ-45 PC port to a computer with a CAT5 / 5e straight-through Ethernet cable.
5. Connect the connector tip of the AC power adapter to the phone's DC 12V power socket and
connect the two-prong AC adapter directly to the electrical wall outlet. When the phone powers
up, all the LEDs momentarily light up.
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Expansion
Module