Serial expansion board and daughterboard design
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Daughterboard specifications
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Unitsmm+/- mmmmmmmm
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DaughterboardConnector DescConnector ModelConnector PictureInput SignalsOutput SignalsCustomer drawingPinoutWidthWidth ToleranceDepth w.r.t PCB edge (g=0)Height w.r.t PCB upper surfaceConnector footprint placement w.r.t PCB edgeAdditional clearance sideways (per side)Effective WidthPanel cutout w.r.t PCB upper surfaceComments
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Maximums -->53.0322.2025.30
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ExampleExampleMODEL-XXXX
link
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*RS232 Serial PortDB9TE 5747840-6Tx, Rx,
RTS, CTS, DTR, DSR
Tx, Rx,
RTS, CTS, DTR, DSR
link<--30.810.3812.65 ± 0.3812.54 ± 0.25link4.640.39
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RS422/485RJ45FCI 54602-908LFTx, RxTx+, Tx-
Rx+, Rx-
link<--15.30.2517.74 ± 0.2012.7link015.3
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DMX512XLR-3Neutrik NC3FAV-0Tx, RxTx+, Tx-
Rx+, Rx-
link<--25.322.2 ± 0.125.3link229.3
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XLR 5Neutrik NC5FAVlink<--25.322.225.3link229.3
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GPIO-810P 2.54 mm Screw terminalsPhoenix 1725737UART - RX, TXGPIO 0..7linkN.A.25.866.28.5link025.86
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10P 2.54mm pin headerHarwin M20-9994046linkN.A.25.40.352.548.68link025.4
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MIDI180° DIN-5SDS-50JRX, TXRX, TXlink<--2013.221.1link020
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DB-15FCI ID15S33E4GX00LFlinklink39.140.3812.60 ± 0.1212.58 ± 0.38link039.14Addl clearance not being given to fit connector into single daughterboard. This will not cause problem unless adjacent daughterboards are of same type
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GPIO-24 on DB25DB-25FCI ID25S33E4GL00LFUART0 - RX0, TX0; UART1 - RX1, TX1GPIO 0..15linklink53.030.3812.60 ± 0.1212.58 ± 0.38link4.662.23
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IR2 x 3.5mm TRS
Switchcraft 35RASMT2BHNTRX
UART - RX, TXGPIO 0,1link<--916.55link519
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LED6 x 5 mm LEDsNo connector
TX, RX, RTS, CTS, DTR, DSRTX, RX, RTS, CTS, DTR, DSRlink-5.450.2510Variablelink0.538.70 (6.45 each)
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