GE TruSat - TruSat Pulse Oximeter Compliance and Specifications; Regulatory Compliance of TruSat Monitor

Troubleshooting
3–7
Trend Download board connector (X8)
Pin # Signal Name I/O Description
1 VDD PWR +3 V power signal, isolated by ferrite
2 VDD PWR +3 V power signal, isolated by ferrite
3 OPT_BRD_ID I Trend Download board ID, analog signal
4 SPI_UP_DOUT_BUFF O SPI data-out signal, isolated by buffer
5 GND GND Non-isolated ground
6 SPI_UP_DIN_BUFF I SPI data-in signal, isolated by buffer
7 GND GND Non-isolated ground
8 SPI_CLK_BUFF O SPI clock, isolated by buffer
9 GND GND Non-isolated ground
10
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SPI_CS_OPTION0
O SPI chip select 0
11
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SPI_CS_OPTION1
O SPI chip select 1
12 GND GND Non-isolated ground
13 UART_TXD O RS-232 transmit data
14 UART_RXD I RS-232 receive data
15 UART_CTS I RS-232 hardware handshaking
16 UART_RTS O RS-232 hardware handshaking
17 GND GND Non-isolated ground
18 NURSE_CALL O “Nurse call” alarm signal
19 BATT+ PWR Battery voltage, isolated by ferrite
20 BATT+ PWR Battery voltage, isolated by ferrite
Software upgrade connector (X11)
Pin # Signal Name I/O Description
1 GND GND Non-isolated ground
2 SPI_UP_DIN I SPI serial data input
3 SPI_UP_DOUT O SPI serial data output
4 SPI_CK O SPI clock
5
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UP_CS_UPG_FL
O Program upgrade flash chip select
6 VDD PWR +3 V power signal
7 GND GND Non-isolated ground