Installation_Guide | 1 - Installation Guide | 5
Table 2: Descriptions of S412 Rear Panel
Port Description
RJ11
(Line port)
• FXO port (red light): For the connection of PSTN lines or FXS ports of
traditional PBX.
• BRI port (orange light): For the connection of ISDN BRI lines.
Note: The sequence number of the ports corresponds to that of the
Indicator lights in the front panel. (I.e. the LED lights in the front indicate the
connection status of the corresponding ports at the back panel.)
RJ11
(FXS port)
• FXS port (green light): For the connection of analog phones.
Note: The sequence number of the ports corresponds to that of the
Indicator lights in the front panel. (I.e. the LED lights in the front indicate the
connection status of the corresponding ports at the back panel.)
WAN/LAN
Yeastar S412 provides two 10/100Mbps adaptive RJ45 Ethernet ports, and supports
3 Ethernet modes. The default mode is “Single”.
• Single: LAN port will be used for uplink connection. WAN port is disabled.
• Bridge: LAN port will be used for uplink connection. WAN port will be used as
bridge for PC connection.
• Dual: Both LAN and WAN ports can be used for uplink connection.
TF Slot Insert TF card to store auto recording files.
Reset Button Press and hold for 10 seconds to restore the factory defaults.
Power Inlet Connect the supplied power supply to the port.
S20 Overview
Front Panel
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