User's Manual
GVR3550 USER MANUAL
Grandstream Networks, Inc. GVR3550 User Manual Page 17 of 76
Firmware Version 1.0.0.0 Last Updated: 10/2013
EXTERNAL USB DEVICE
GVR3550 USB interface could be used to connect the mouse and keyboard, or connect a USB storage
device.
NOTE:
The voltage of the USB interface on the front panel of the GVR3550 is a little higher than the one on
the the rear panel, it is suggested that the USB interface on the rear panel connect to USB mouse
and keyboard while the one on the front panel connect to USB storage devices.
PLUG INTO USB MOUSE/KEYBOARD
Users could manipulate the mouse and keyboard to test whether the installation is successful or not after
plugging them into the GVR3550. The mouse or keyboard might be not compatible with GVR3550 if can't
be detected, please replace the mouse or keyboard and try again.
PLUG INTO USB STORAGE DEVICE
Users could go to Maintenance->Network Diagnosis, select “Refresh” in “Packet Capture ” entry to check
the USB status after inserting the USB storage device into the interface properly.
Figure 6: GVR3550 USB Access Status
INSTALLING eSATA
Inset the eSATA cable to the corresponding interface on the rear panel of the GVR3550, Power up eSATA
or use USB cable to supply power (the connection mode is in accordance with eSATA specification).Users
could go to Main Menu->System Settings->HDD Management to view details like HDD Space,Free Space,
HDD Status, HDD Type and so on after installing eSATA. For details, please refer to the chapter “HDD
Management”.
Figure 7: GVR3550 HDD Management