Alaris™ GP (Guardrails™) Volumetric Pump
IrDA, RS232 and Nursecall Specification
BDDF00535 Issue 1
50/56
IrDA, RS232 and Nursecall Specification
IrDA / RS232 / Nursecall Feature
The IrDA (or RS232 / Nursecall optional feature) is a feature that allows the Pump to be connected to an external device for the purpose
of data communication.
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The nursecall interface provides a remote backup to the internal audible alarm. It should not be relied upon to
replace monitoring of the internal alarm. The signal leaves the IrDA port and the RS232 for Nurse call within one
second after the alarm condition is detected.
Refer to the Technical Service Manual for further information regarding the RS232 interface.
The assessment for the suitability of any software used in the clinical environment to control receive data from the
Pump lies with the user of the equipment. This software should include detection of the disconnection or other
failure of the RS232 cable.
Any connected analogue and digital components are required to meet IEC/EN60950 for data processing and IEC/
EN60601 for medical devices. Anyone connecting additional devices to the signal input or output is a system
configurator and responsible for meeting the requirements of the system standard IEC/EN60601-1-1.
To connect to the RS232 port use spare part 1000SP01183 - RS232 cable.
RS232 / Nursecall Connection Data
Nursecall Specification:
Connector D Type - 9 Pin
TXD/RXD EIA RS232-C Standard
Baud Rate 115k Baud
Start Bits 1 Start Bit
Data Bits 8 Data Bits
Parity No Parity
Stop Bits 1 Stop Bit
Nurse Call Relay Contacts Pins 1, 8 + 9, 30V dc, 1A rating
Typical Connection Data:
1. Nursecall (Relay) Normally Closed
2. Transmit Data (TXD) Output
3. Received Data (RXD) Input
4. DTR ª DSR (6)
5. Ground (GND)
6. DSR ª DTR (4)
7. Not used
8. Nursecall (Relay) Normally Open
9. Nursecall (Relay) Common
IrDA
Baud Rate 115k Baud
Start Bits 1 Start Bit
Data Bits 8 Data Bits
Parity No Parity
Stop Bits 1 Stop Bit
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