Mindray BeneFusion VP3 Vet, Operator'S Manual

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A-4
A.3.4 Auditory Indicator
Speaker
Produce an alarm, the sound pressure is 55-77 dB(A) and key
beep; Support multi-level volume functions; The alarm sound
meets the requirements of the IEC60601-1-8.
A.3.5 External Ports
Ports
AC power supply
port
One AC power supply port
Multifunction
interface
One multifunction interface with the following functions:

DC power supply port

RS232 interface

Nurse call interface
Drop sensor
interface (optional)
One Drop sensor interface
A.3.6 Signal Output Interface
Nurse call signal output
Driving mode Relay drive
Electric
specification
≤60W, ≤2A, ≤36VDC, ≤25VAC
Isolation voltage >1500VAC
Action mode Normally open or normally closed (optional)