Mallinckrodt NPB-190 Manual del operador descargar pdf (Pagina 72)

Appendix B: Data Port Protocol

9 101112131415

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Figure 9: Serial Port Pin Layout

Pins 2, 3, and 5 provide data in RS-232 format.

Pins 1, 4, 9, and 12 provide data in RS-422 format. TxD+ and

TxD- are the differential transmit data pair. RxD+ and RxD- are

the differential receive pair.

No hardware flow control is used. However, XON/XOFF flow

control is supported.

REAL-TIME DISPLAY FORMAT

Real-time data is continuously sent to the data port on the back of

the NPB-290. Patient data can be obtained through the data port

by connecting it to an attached PC or serial printer. When a real-

time printout or display is being transmitted to a printer or PC, a

new line of data is displayed every 2 seconds. Column headings

are displayed or printed after every 25 lines, or if one of the

values in the column heading changes.

Data cannot be obtained if the NPB-290 is operating on battery

power.

Note: If the data output stops transmitting, turn the power off

and back on again or, if connected to a PC, send an XON

(Ctrl-q) to reset the monitor.

An example of a real-time printout is shown in Figure 10.

1 2 ... 67 68 69 70 71 72 73 74 75 76 77 78 79

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Mallinckrodt NPB-190 Manual del operador Pagina 72