Which AC impedance modes do FXS interfaces on a 4FXS1FXO interface card support

FXS interfaces on a 4FXS1FXO interface card support the following AC impedance modes:
0 - CNOF (200+680||100nf)
1 - CNUSER (200+560||100nf)
2 - 600 ohm interface (default)
3 �?RUSSIA (150+510||47nf)
4-(220+820||115nf)
5-(220+820||120nf)
6 - 900 ohm interface
7 - BRAZIL (800||50nF)
8-BT0 (Zin=87+1052||228nF+229||284nF,Zload=93+615||471nF+179||495nF+244||32nF)

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