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The following figure represents the NI 2811A/B (NI 2811) in the 1-wire 8×21 matrix topology.
The following figure identifies the pins for the NI 2811.
|Note Dual connections separated by a slash in the format of TYPE A SIGNAL(A)/TYPE B SIGNAL(B) indicate pins that connect to a different signal depending on the card type. For example, a pin labeled AB0(A)/NO CONNECT(B) would connect to AB0 on a type A card and would make no connection on a type B card.|