Installing IP500/IP500 V2 Page 361
15-601042 Issue 28g (11 October 2013)IP Office 9.0
System Components: Phone Add-Ons
10.12.5 EU24
The maximum number of button module buttons supported, of any type, on a single system is 1024 .
Provides an additional 24 programmable buttons. For additional limitations see Phone Add-Ons .
· 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.
2420, 4620, 4621, 4625, 5420, 5620, 5621.
A 1151 Type power supply unit must be used to
power the phone.
EU24 1XU-A Expansion Module
1151D2 Power Supply with battery backup.
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