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SW1: It is used for selecting E1, T1, J1 mode, by default ATCOM will set it up according to your
requirement before shipping out. Customer can set up E1, T1/J1 like the following:
For E1 Mode For T1 and J1 Mode
SW2: It is used when you have more than one PRI card in your server, if you have two cards in
your server, then turn it to 0 in one card, and turn it to 1 in the other card; if you have four cards in
your server, then turn it to 0,1,2,3 respectively.
SW3: It is used to select the hardware echo cancelation direction, by default we set it up to delete
the echo for local side, if customers want to delete the echo for the far end side, please turn the
buttons to on state.
Delete the echo for local side Delete the echo for the far end side
