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Physical Description of Rear Panel
[Note: The number and type of port interfaces depend on the ordered hardware configuration.]
DC power plug entry for external AC/DC power adapter
Power button to switch on (pressed in) and off (pressed out) the device.
RS-232 serial interface port (RJ-45).
USB port, which can be used for storage on an external USB hard drive, or for 3G
cellular WAN modem for primary or backup WAN
Reset pinhole button for resetting the device or restoring it to factory defaults. To
restore to factory defaults: with a paper clip or any other similar pointed object, press
and hold down the button for at least 12 seconds (but no more than 25 seconds).
WAN interface ports (e.g., copper, DSL or fiber optic), which depend on ordered
interfaces.
Up to four Gigabit Ethernet (10/100/1000Base-T) ports (RJ-45) for connecting IP
phones, computers, or switches. The ports support 1+1 Ethernet port redundancy
(active-standby), half- and full-duplex modes, auto-negotiation, and straight-through or
crossover cable detection.
Ethernet link established
Data is received or transmitted
Wi-Fi pinhole button for enabling or disabling Wi-Fi. Use a paper clip or any other
similar pointed object to press the button.
Telephony interfaces (RJ-11 ports for FXS and FXO; RJ-45ports for ISDN BRI).
Cellular antennas for 4G LTE network.
SIM card slot for 4G LTE cellular.
Multiple-input and multiple-output (MIMO) 2Tx/2Rx antennas, operating in 2.4 GHz
frequency range for wireless LAN 802.11n/b/g (Wi-Fi) access point.
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