Flexible Nurse Call Relay - Philips Avalon FM20 Service Manual

5 Interfaces
NOTE
Other USB devices, e.g. USB sticks, iPods etc. are not supported by the USB IF board. Do not use
USB adapters to connect PS/2 or other devices to the USB board.

Flexible Nurse Call Relay

The Flexible Nurse Call board contains 2 connectors. A phone jack type connector and a multi-port
connector. The phone jack type connector has a single close-on-alarm relay. The multiport connector
has three alarm relays which are configurable to be open or closed on alarm.
Connections
Flexible Nurse Call Relay Connections at Monitor
Nurse Call Relay
Flexible Nurse Call Relay 20 pin MDR (Mini D-Ribbon),
See "Multi-Port Nurse Call Connector Test (Flexible Nurse Call)" on page 86 for details on the
Flexible Nurse Call relay connector pin assignment.
50
Connectors
active open and closed contacts,
3.5 mm phone jack, active closed
contact only
Contact Isolation
≤100 mA,
1.5 kV
≤24 VDC