function [PDname, id]=sigPortToPD(sigPort)
% Convert a signal port name to a PD name

% 1. ASDC, 2. REFL1, 3. REFL2, 4. POP1, 5. POP2
% 6. REFL1Dm, 7. REFL1Dp, 8. REFL2Dm, 9. REFL2Dp

switch sigPort
    case 'AS_DC'
        PDname = 'ASDC';
        id = 1;
    case {'REFL_1I', 'REFL_1Q'}
        PDname = 'REFL1';
        id = 2;
    case {'REFL_2I', 'REFL_2Q'}
        PDname = 'REFL2';
        id = 3;
    case {'POP_1I', 'POP_1Q'}
        PDname = 'POP1';
        id = 4;
    case {'POP_2I', 'POP_2Q'}
        PDname = 'POP2';
        id = 5;
    case {'REFL_1DmI', 'REFL_1DmQ'}
        PDname = 'REFL1Dm';
        id = 6;
    case {'REFL_1DpI', 'REFL_1DpQ'}
        PDname = 'REFL1Dp';
        id = 7;
    case {'REFL_2DmI', 'REFL_2DmQ'}
        PDname = 'REFL2Dm';
        id = 8;
    case {'REFL_2DpI', 'REFL_2DpQ'}
        PDname = 'REFL2Dp';
        id = 9;
    otherwise
        PDname = 'Unknown';
        id = -1;
end