Telos NX12 Telephone User Manual


 
INSTALLATION | 19
Nx12 Desktop Director Ports (RJ-45)
PIN DESCRIPTION
1 N/C
2 N/C
3 Transmit to Nx12 +
4 Receive from Nx12 +
5 Receive from Nx12 -
6 Transmit to Nx12 -
7 Power -48VDC
8 Power +
Connecting Desktop Directors
Direct Connection
Up to four Desktop Directors can be plugged directly into the Nx12.
Extended Distance with Power Supply
If the Desktop Director must be located more than 250 feet (76 Meters) from the Nx12, you
will need to use an external power supply (Telos Desktop Director Power Supply Kit part #
2091-00001).
In that case, your set-up will look like this:
e Desktop Director must be within 2300 feet (700 meters) of the Nx12. e power supply
must be 250 feet (76 Meters) or less from the Desktop Director.
Multiple Desktop Directors on a Single Port
Two Desktop Directors can be connected to a single port on the Nx12. You will need to use
an external power supply and modular splitter (Telos Desktop Director Power Supply Kit part
#2091-00001). You might choose this method to save on cable runs back to an Nx12 located
some distance away.
Your set-up will look like this: