Clear-Com HLI-FBS - Manual (Page 32)

Key to HBP-2X Beltpack (Rear view)
Feature Description
E
Headset connector (4-pin male or 5-pin female XLR connector).
Pin Function
1 Mic ground
2 Mic positive
3 Earphone ground
4 Earphone positive
Table 2-32: 4-pin headset socket pin out
Pin Function
1 Mic ground
2 Mic positive
3 Earphone ground
4 Earphone right
5 Earphone left
Table 2-33: 5-pin headset socket pin out
Table 2-34: Key to HBP-2X Beltpack connectors and controls ( base view)
32 HelixNet Partyline User Guide