Avaya IP Office Phone Manager, Installation Manual, Page: 18 / 411

IP Office Installation Page 17
15-601042 Issue 20b (16 July 2009) IP Office
System Overview: IP400 Office System Components
2.3 Control Units
The base of any IP Office system is the system or control unit. It stores the system configuration and controls the system
operation.
Each control unit can be customized by adding various internal cards such as trunk cards. Except for the Small Office
Edition control unit, external expansion modules can be also be connected to add additional extension and trunk ports.
IP Office 5.0 supports the following IP Office control units.
•
IP500 System Unit
This control unit has four front slots for IP500 base cards. It has
an internal power supply unit and uses a mandatory credit-card
sized Smart Card Feature Key dongle. It includes a 2 port
ethernet LAN switch (layer 3 managed) on the rear.
•
IP412 Control Unit
This unit supports 2 IP400 trunk cards of any type. Up to 12
external expansion modules can be added plus 2 WAN3 10/100
modules. It includes a 2 port ethernet LAN switch (layer 3
managed).
•
IP406 V2 Control Unit
This unit supports up to 6 external expansion modules plus 2
WAN3 10/100 modules. It supports 2 IP400 trunk cards of all
types though only one may be a dual PRI trunk card. The unit
has 8 Avaya digital
DS phone ports and 2 analog phone ports
plus an 8 port ethernet LAN switch (layer 2 unmanaged).