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GXV-3000 User Manual Grandstream Networks, Inc.
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7.3 Headset Jack
The picture below shows the handset and headset connectors’ wiring schema of GXV-3000.
Figure 7-3:
As show in the schema, the left side is pin assignment of a RJ-22 handset plug; while the right side is
showing a normal 2.5mm headset plug. If use want to connect the phone to external Speaker or Inter-
com/Paging system, necessary adaptors are required from local electronic stores.