Installing IP500/IP500 V2 Page 358
15-601042 Issue 28g (11 October 2013)IP Office 9.0
10.12.2 4450
The maximum number of button module buttons supported, of any type, on a single system is 1024 .
The DSS4450 works in association with the 4412D and 4424D telephones, each of which can support up to two DSS4450
adjuncts.
Each DSS4450 provides an additional 60 programmable keys with single red lamps except for the bottom two rows which
have green lamps. The DSS4450 requires an auxiliary Avaya power supply unit and must be used with the cables
supplied.
IP Office supports a maximum 2 x 4450 units on each Digital Station expansion module, including the IP406 V2 control
unit. A maximum of 8 x 4450 units total are supported on the whole IP Office system. For additional limitations see
Phone Add-Ons .
This phone is not supported on the IP500 DS8 Extension Card. For the IP500 it will work on external Digital Station
Expansion Modules.
Maximum per DS module/
control unit
Maximum per IP Office
system
4450 power supply unit on phone.
Small 4400 Series Stand (Black)
Small 4400 Series Stand (White)
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