Open Communications Principles and Best Practices 19/03/2012, page 5
Energy saving mode
To reduce the energy consumption to a minimum, OpenStage phones offer an energy saving
mode. The display backlight (phone and Key Module, if attached) is switched off after a
configurable timeout.
With OpenStage 40, the main display and key module backlight will be switched off after 90
seconds of inactivity (firmware version V2R0 onwards). Readability even without backlight is
ensured by the transflective display.
With OpenStage 60 and 80, the timer is configurable by the administrator (Local Functions
> Energy saving); the timeout ranges between 2 and 8 hours.
Power consumption [W] - Fast Ethernet variants
Energy saving
mode
Idle state During call
(handset)
Ringing (max.
vol.)
# of Key Modules
Power over LAN
(802.3af)
Power via OpenStage
switched-mode power
su
OpenStage 15 - 2,0 2,9 2,0 2,9 2,3 3,2 3,9 4,1
OpenStage 15 with
1 OpenStage Key
Module 15
(9 LED’s on)
1
2,2 3,1 2,2 3,1 2,5 3,4 4,1 4,3
OpenStage 20/20E - 1,8 2,6 1,8 2,6 2,0 2,8 2,9 3,4
OpenStage 40 - 1,9 2,8 2,4 3,5 2,7 3,6 4,0 4,4
OpenStage 40 with
1 OpenStage Key
Module 40
1 2,1 3,0 3,1 4,2 3,4 4,4 4,6 5,1
OpenStage 40 with
OpenStage Key
Module 40
2 2,3 3,2 3,8 4,9 4,1 5,2 5,2 5,8
OpenStage 40 with
1 OpenStage Key
Module 15
(9 LED’s on)
1
2,1 3,0 2,6 3,7 2,9 3,8 4,2 4,6
OpenStage 60 - 2,4 3,3 5,6 6,9 5,8 7,1 6,8 7,9
OpenStage 60 with
1 OpenStage Key
Module 60
1 2,6 3,5 6,2 7,6 6,5 7,9 7,6 8,5
OpenStage 60 with
2 OpenStage Key
Module 60
2 2,8 3,7 6,9 8,3 7,1 8,6 8,3 9,3
OpenStage 80 - 2,3 3,2 6,3 7,7 6,5 7,9 7,6 8,6
OpenStage 80 with
1 OpenStage Key
Module 80
1 2,5 3,4 7,0 8,5 7,2 8,7 8,4 9,4
OpenStage 80 with
2 OpenStage Key
Module 80
2 2,6 3,6 7,6 9,2 7,9 9,5 9,1 10,2
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