Pliant Crewcom 2400 Operating Manual page 24

USB (Micro B) Connection
This USB connection is for connecting a Radio Pack to a Control Unit for pairing. The Radio Pack may also be
connected to a PC for firmware updates via CrewWare. See the CrewWare Manual for more information about the
firmware update process.
On/Off Button
The On/Off button powers the Radio Pack on and off when pressed for 3 seconds.
4-Pin Male XLR Headset Connector
Headset connector is a 4-PIN male XLR connection. A compatible headset must be provided by the user. See the
SmartBoom PRO and SmartBoom LITE data sheets for the pin wiring information for Pliant's SmartBoom headsets.
Local Headset Connection Wiring
XLR Pin # Description
Pin 1 Mic −
Pin 2 Mic +
Pin 3 Speaker −
Pin 4 Speaker +
Figure 5 4-Pin Male XLR Pin Out
Product Overview - 17