MSBR Series 33 MSBR Series
Hardware Installation Manual 6. Cabling the Device
6.1.4 External 3G/4G Cellular USB Modem
The device supports a 3G or 4G cellular WAN interface using a USB-based 3G/4G cellular
modem. The cellular WAN interface can be used as the primary WAN interface or as an
optional WAN backup when the primary WAN (e.g., WAN Ethernet) fails. The WAN
connection type is a point-to-point protocol (PPP) over cellular or through DHCP.
Note:
• To verify whether your third-party, 3G/4G cellular modem is supported by the device,
please provide the modem's model details to your AudioCodes sales representative.
• For configuring 3G/4G cellular WAN, refer to the document, Mediant MSBR LAN-
WAN Access CLI Configuration Guide Ver. 7.2.
• 3G/4G cellular WAN interface through a USB modem is not supported if you have
ordered the device with LTE cellular interface (see Section Integrated 4G LTE Cellular
Modem).
To connect the cellular WAN USB modem:
Plug a 3G/4G cellular USB modem into the USB port, located on the rear panel:
Figure 6-5: Plugging the Cellular Modem into the USB Port (Example)
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