Avaya IP Office Phone Manager, Installation Manual, Page: 149 / 411

IP Office Installation Page 148
15-601042 Issue 20b (16 July 2009) IP Office
7.2 Installing an EU24 Add-On
The EU24 add-on is supported on IP Office 3.0 and higher. It provides an additional 24 programmable feature keys for
the associated phone. The action provided by each of these keys is set through the IP Office configuration. The EU24BL is
supported on IP Office 3.1 or higher and provides a backlight function that matches the same facility on the 4621 phone.
A single EU24 or Eu24BL is supported on the following phones. A maximum of eight EU24 and or EU24BL per IP Office
system.
Phone EU24 EU24BL
2420/5420
4620/5620
4621/5621
4625
•
Use Only the Cables Supplied
Only the cable supplied with the EU24/EU24BL should for connection to the EU24/EU24BL. This cable should only
be connected to the port marked EU24 on suitable phones. Doing otherwise will cause damage to the EU24/
EU24BL and the equipment to which it is attached.
•
An 1151 Power Supply Must Be Used
The EU24 and EU24BL require the phone to use an additional 1151 type power supply unit.
Procedure: Installing an EU24/EU24BL
1. Disconnect the existing phone cable from the phone socket to the phone. In the case of IP phones, this will be an
existing CAT5 cable. For other phones this will be either an RJ45-to-RJ11 cable or an RJ11-to-RJ11 cable
depending on the fixed socket type.
2. Reconnect the same cable from the phone socket to the power supply unit's LINE IN socket.
3. Connect the cable supplied with the PSU, from the power supply unit's PHONE socket to the socket marked on
the phone.
4. Connect the cable supplied with the EU24/EU24BL from the EU24 to the port marked EU24 on the phone.
5. Connect the power supply module to the power outlet socket.