Usb Slave Mode; Cascade Mode; Figure 3 Gac2500 Slave Mode Screen - Grandstream Networks GAC2500 User Manual

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Note:
It is recommended to use IP mode in room 3.6m* 7.2m or smaller.

USB SLAVE MODE

GAC2500 can be used as auxiliary device for GVC3200 or PC for audio acquisition and play. The
conference feature will be disabled in USB slave mode. Follow the steps below to connect route.
1. Connect one end of the USB cable to the Micro USB port of the device and the other end to the USB
port of GVC3200/PC;
2. Plug in the power adapter into the power supply interface then power up the GAC2500.
The GAC2500 screen is as shown below in USB slave mode, you can tap on the volume icon to adjust
the volume of GVC3200/PC. When connecting to GVC3200, tap on "Mute", "Answer" or "Hangup" icons
for more operations.

CASCADE MODE

Connect two GAC2500 (s) via RJ48 CAT5 for larger space. Please follow the steps below to connect.
1. Connect the LAN port of the device to the external network port (the port in the office or at home) via
Ethernet cable;
2. Connect the RJ48 ports of two devices with RJ48 CAT5;
3. Plug in two power adapters into the power supply interfaces then power up two devices;
4. The screen is as shown below. Tap on "Yes" on the first device and set it to be the master while the
other the slave.
Firmware Version 1.0.1.18
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Figure 3 GAC2500 Slave Mode Screen

GVC2500 User Guide Page 17 of 98