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5
TE/NT Setting 1 TE/NT Setting 2
LED Red: If the driver of the card is loaded correctly and the /etc/dahdi/system.conf file is
configured correctly, the LED Red of the four ports will be red clearly.
LED Green: If the BRI line is connected correctly, and it synchronizes to the other end
successfully, then the LED Green will be green clearly.
JP3: This connector is used to connect to a 4-PIN power supply, when ISDN phone is used, user
need to provide 4-PIN power for the card; if you do not use ISDN phone, then you do not need to
use JP3.
SW1: It is not available now.
CON2, CON3: The two connectors are not available now.