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Installing the USB NENA Jack Box
Hardware Components
The Avtec USB NENA Jack Box comes with the following components:
l
USB NENA Jack Box
l
USB cable
l
NENA cable
l
Terminal blocks (2)
Installing the Hardware Components
NOTE
Due to USB host controller limitations, when plugging in your USB peripheral devices, limit the number of jack
boxes to one jack box per physical PC port. If using a USB hub connected to the PC port, there can only be one jack
box plugged into the hub.
To install the USB NENA Jack Box:
1. Connect the USB cable into the
USB
ports of the jack box and PC.
2. Connect the NENA cable to the jack box's
NENA
port and to the NENA device.
3. Connect the hookswitch cable for the Avtec handset cradle feature into the
Aux Inputs
port.
Use the following table as a guide to determine the correct
Aux Inputs
connection.
Aux Inputs
Pin
Function/Use
1
Unused
2
Unused
3
Positive for Handset Hookswitch, Contact Closure
4
Handset Hookswitch Ground
NOTE
Pins 3 and 4 are used to connect the hookswitch.
2
Avtec USB NENA Jack Box Configuration Guide
| October 2021 | Revision 9