GE Giraffe Service Manual page 203

Connector
The Nurse Call contacts and the serial data output share the same female, nine pin, d-type connector.
Pin Description
Pin 6: Closed contact under normal conditions, i.e. power on, no alarm (recommended configuration)
Pin 1: Common contact
Open contact under normal conditions, power on, no alarm These contacts are not powered. They
Pin 9:
only provide closure.
Nurse Call signals
incubator Status
Normal
Alarm
Pwr switch off or pwr fails
Nurse Call cable disconnected
© 2001 by Datex-Ohmeda, Inc.. All rights reserved.
nurse Call Signal
Pins 1 and 6
Closed
Open
Open
Open
Appendix C: RS-232 Serial Data
Pins 1 and 9
Open
Closed
Closed
Open
6600-0356-000 103
175