Model KB858 is newly developed to meet the needs of hospitals. KB858, which is one of the most advanced Nurse Call Systems in China, has the features of easy installment and operation, various and stable functions. Now it has been widely used in hospitals in China.

Functions And Features
The KB858 series are interconnected by one single data Bus from master machine to user machines. All the user machines and corridor display panels are connected to the single data Bus.
One Master machine can maintain control of up to 96 user machines.
The Numbers of user machines can be set from the master machine and are changeable.
The User machine in ward has the functions of both calling and clear two-way communication with the master machine.
The User machine installed in toilet is water-resistant. It only has the function of calling.
The Ward user machines can send three differernt calls: urgent, special, and normal, which are received at the master machine in three different types of music.
The Corridor alarm lamp is also attached to the single data bus. It flashes when a call is made and keeps flashing until the call is reset by the nurse.
There Are four types of music for option at the master machine, and volume adjustable.
AA Master machine can be attached with 5 auxiliary master machines. It can transfer the calling information to one auxiliary master machine and make it work instead of the master machine.
The System has self-testing function, which can both detect and show detailed information of system breaddown.
The Phone used in the master machine to speak and set system parameter is just ordinary phone. There is not need to buy a pecial one.
Buttons For calling and canceling are separate ones at the user machine, avoiding automatic cancel of repeated callings.
A Master machine can be connected with several corridor display panels. The master machine and the corridor display panels show the calling information simultaneously. If there is no call, present time is displayed on the corridor display panels.
Components Description
Master machine
Use ABS Cover, and can be installed onto the wall or put on desk.
Ordinary Phones are used in the master machine.
Bracket And slaver is available for installment.
Size:100×265×270(L×W×H)mm
User Machines
The user machine can be fixed with the 86 style electrical. Box. It can be installed to the bed head unit.
The Speaker is on the hand handles, on which there is a indicator light.
There Is a hi-fi amplifier, which makes the sound clear and pleasant.
Imported Chip are used, and the number of user machines can be freely set by the master machine.
Size:86×86×30(L×W×H)mm
The Patient information panel
Each bed in the ward has a representative indicator light on the panel. When a call occurs from a patient, relative indicator light turns on. Usually there are 60 modules in one system. The capacity can also be customerized.
The Aluminum alloy frame gives it a good-taste appearance.
Size:700×430×33(L×W×H)mm
Corridor Display panel
Stainless steel cover, well finished, smart and beautiful
Four inches high light digital tube, long duration.
It Has two patterns: single side and double sides.
Size:653×270×70(L×W×H)mm
Alarming Door lamp
The corridor alarm lamp cover is made of ABS material, smart and exquisite.
Circuit Board installed inside, use array range LED lamp.
Installed With 86 style electrician box.
The Numbers of LED indicator is set in accordance with the bed number so that each
indicator lamp represents properly where the call comes.
Management Software
A signal collector is needed to collect the signal information
Collect signal information of user machine by computer serial port.
System Operation information can be directly seen from the computer screen.
Record The information of calls and follow-up handlings of calls.
It Has the function of check up, sum-up, print etc.
Technical Parameter
Maximum Capability：96 modular, standard modular: 60
Maximum number of corridor display panels: no limit.
The Communication bus distance: 1000 m
Central unit power supply: self engaged transformer, external connect: 220V AC
Power for User machine: powered by master machine, voltage: 24V
The work method: continuously working
Power Consumption: <30W
Data Bus Work Voltage: 24V
Cable : RVS2*0. 5mm 4-core Copper core PVC insulated wire
Working condition : temperature -10 C°cT< 40C°, humidity:<90%
The requirement of manage computer: common PV computer with Serial Port.