Planet Networking & Communication IP-1000PT User Manual page 14

Interface
Rear View and Panel Descriptions
Interface Descriptions
Interface
Headset
1
2 DND Switch
3 DC 5V
4 Internet
CONF
SPEAKER
Headset console, connect to headset
The Switch is used to turn on or turn off DND.
Under the character DND is a dot.
When the switch is near the dot, DND is on, otherwise DND is off.
Taking the left picture for example, DND is on.
Power port
Connects to the Ethernet switch, router or Internet.
This port provides PoE (VIP-1000PT only).
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High Definition PoE/Non-PoE IP Phone
Description
transfer.
The CONF key is used to implement
conference meeting calls.
Press it to use hands-free.
Description
VIP-1000PT/VIP-1000T