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USB keyboard 15
Indicator LED color Meaning
ACD feature and in-calls Red (located on the front cover
next to each ACD key)
Lit when the associated feature
is active.
Message waiting Red (located on the top right
corner of the set)
Indicates when a message is
waiting, or a call is missed.
If you miss a call and the
caller does not leave a voice
message, the indicator is
illuminated without interruption.
If you miss a call and the caller
leaves a voice message, the
indicator may be illuminated
without interruption, or it may
flash or flicker or wink or
twinkle or blink, depending on
what the system administrator
has arranged.
Data waiting Blue (located on the top left
corner of the set)
Lit when the terminal is on an
active call.
Headset Red (located on the front cover
near the headset key)
Lit when the headset is in use.
Mute Red (located on the front cover
near the mute key)
Lit when the mute feature
is active. The system
administrator can configure
the mute lamp to be steady on
or blinking.
Link/Data Green (located on the back
cover near the network
Ethernet jack)
Lit when the link is alive and
flashes to indicate activity.
USB keyboard
You can connect a USB keyboard to the IP Phone and use it to enter
information in the tools and graphical applications. The keyboard has a
maximum current supply of 100 milliamps. If you are using a hub, the
keyboard needs to be powered locally; it cannot be powered from the
phone. Complex devices such as USB keyboards with built-in hubs, may
not work due to the current limitations. See “Using a keyboard with an IP
Phone” (page 107).
Carrier VoIP
Nortel IP Phone 1150E User Guide (CICM)
NN10300-025 04.01 Standard
24 April 2009
Copyright © 2009 Nortel Networks
.