Office 25, Office 35, And Office 45/45Pro - Mitel 470 System Manual

Powering the phone
The MiVoice 5360, MiVoice 5361 MiVoice 5370 and MiVoice 5380 system phones are
normally powered via the DSI bus. However there are several reasons that require
powering with a plug-in power supply:
• Long line
• 2 phones on the same bus
• 1 or more expansion key modules on the phone
• Terminal power supply of the communication server is overloaded
Only use the corresponding plug-in power supply unit with FCC connector available as
an option. It is connected either to the phone itself or, when using one or more expan-
sion key modules, on the last expansion key module.
See also
The power available on the DSI bus depending on the line length and the wire diameter, and the
power input of the system phones are described in the chapter "DSI terminal interfaces",
page 127 ff.
Connecting the phone
1. Setting the DSI bus address on the system phone's underside:
– TSD1 = address switch on position 1
– TSD2 = address switch on position 2
2. Plug the connector into the socket-outlet.
3. If the system is configured, test the operation of the system phone.
4. Label the phone as indicated in the operating instructions.
4. 8. 6. 3

Office 25, Office 35, and Office 45/45pro

These system phones are desktop models. A wall-mounted bracket is available as an
option for Office 25 and Office 35.
Mounting the desktop model
Connect the handset cord and the phone cord to the phone as indicated in the operat-
ing instructions.
Mitel 470 as of R4.1
syd-0585/1.2 – R4.1 – 08.2016
Installation
165