GE Remote Alarm Box User manual

Remote Alarm Box RAB &

Remote Alarm Box for Remote Light RAB RL

Service Manual

Version 1.0

2006406-010 SA (eng) Revision A

GE Medical Systems
Information Technologies

NOTE: Due to continuing product innovation, specifications in this
manual are subject to change without notice.

Trademarks Trademarked names appear throughout this document. Rather than list

the names and entities that own the trademarks or insert a trademark
symbol with each mention of the trademarked name, the publisher states
that it is using the names only for editorial purposes and to the benefit of
the trademark owner with no intention of improperly using that
trademark.

ACCUSKETCH, AccuVision, APEX, AQUA-KNOT, ARCHIVIST,
Autoseq, BABY MAC, CardioServ, CardioSmart, CardioSys,
CardioWindow, CASE, CD TELEMETRY, CENTRA, CHART GUARD,
CINE 35, CORO, COROMETRICS, CRG PLUS, Digistore, Digital
DATAQ, E for M, EAGLE, Event-Link, HELLIGE, IMAGE STORE,
INTELLIMOTION, LASER SXP, MAC, MAC-LAB, MACTRODE,
MARQUETTE, MARQUETTE MAC, MARQUETTE UNITY NETWORK,
MARS, MAX, MEDITEL, MEI, MEI in the circle logo, MEMOPORT,
MEMOPORT C, MINISTORE, MINNOWS, Monarch 8000,
MULTI-LINK, MULTISCRIPTOR, MUSE, MUSE CV, Neo-Trak,
OnlineABG, OXYMONITOR, Pres-R-Cuff, PRESSURE-SCRIBE, QMI,
QS, Quantitative Medicine, Quantitative Sentinel, Qwik Connect Spiral,
RAMS, RSVP, SAM, SEER, SOLAR, SOLARVIEW, Spectra 400,
Spectra-Tel, ST GUARD, TRAM, TRAM-NET, TRAM-RAC,
TRAMSCOPE, TRIM KNOB, UNITY logo, UNITY NETWORK, Vari-X,
Vari-X Cardiomatic, VariCath, VAS, and Vision Care Filter are
trademarks of GE Medical Systems Information Technologies registered
in the United States Patent and Trademark Office.

12SL, 15SL, AccuSpeak, ADVANTAGE, BAM, BODYTRODE,
Cardiomatic, CardioSpeak, CD TELEMETRY .-LAN,
CENTRALSCOPE, Corolation, Corometrics Sensor Tip, Dash, EDIC, HI-RES,
IMAGE VAULT, IMPACT.wf, INTER-LEAD, IQA, LIFEWATCH,
MARQUETTE MEDICAL SYSTEMS, MARQUETTE . RESPONDER,
MENTOR, MicroSmart, MMS, MRT, MUSE CardioWindow,
O 2 SENSOR, OMRS, Premium, RAC, SILVERTRACE, SMART-PAC,
SMARTLOOK, Spectra-Overview, Trimline, UNITY, and Universal are
trademarks of GE Medical Systems Information Technologies

© GE Medical Systems Information Technologies, 2001. All rights
reserved.

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CONTENTS

1 INTRODUCTION.................................................................................................................. ................................4

1.1 M

1.2 S

1.3 S

1.4 T

1.5 H

ANUAL INFORMATION ....................................................................................................................................4

AFETY INFORMATION.......................................................................................................................................6

ERVICE INFORMATION.....................................................................................................................................8

ERMINOLOGY ..................................................................................................................................................9

OW TO REACH US .........................................................................................................................................10

2 EQUIPMENT OVERVIEW................................................................................................................................12

2.1 P

2.2 LED I

2.3 D

2.4 S

RODUCT DESCRIPTION...................................................................................................................................12

NDICATOR DESCRIPTION........................................................................................................................13

ESCRIPTION OF OPERATION ...........................................................................................................................14

PECIFICATION MECHANICA L, ELECTRICAL....................................................................................................15

3 MAINTENANCE .................................................................................................................................................16

3.1 M

3.2 V

3.3 G

3.4 C

3.5 E

AINTENANCE SCHEDULE ..............................................................................................................................16

ISUAL INSPECTION ........................................................................................................................................17

ENERAL CLEANING .......................................................................................................................................18

HECKOUT PROCEDURES ................................................................................................................................19

LECTRICAL SAFETY TEST ..............................................................................................................................21

3.5.1 Ground (Earth) Wire Leakage Current Tests.........................................................................................22

3.5.2 Enclosure Leakage Current Test............................................................................................................24

3.6 M

AINTENANCE BLINK MODE ..........................................................................................................................25

4 TROUBLESHOOTING.......................................................................................................................................26

4.1 E

4.2 RAB / RAB RL

4.3 S

4.4 T

LECTROSTATIC DISCHARGE (ESD)................................................................................................................26

FOR YOUR SAFETY.................................................................................................................27

ERVICE MODE RAB / RAB RL .....................................................................................................................27

ROUBLESHOOTING FAQ’S.............................................................................................................................28

5 CONFIGURATION.............................................................................................................................................30

5.1 CONFIGURATION J

5.2 C

5.3 C

5.4 C

5.5 C

ONNECTING THE CABLE TO THE HOSPITAL ALARM SYSTEM..........................................................................31

ONNECTING THE ALARM LIGHT (RAB RL)...................................................................................................32

ONNECTING THE POWER SUPPLY UNIT (RAB RL) ........................................................................................33

ONNECTING RAB / RAB RL TO THE PATIENT MONITOR ..............................................................................35

UMPER..........................................................................................................................30

6 CONNECTORS....................................................................................................................................................36

6.1 H

6.2 RAB R

6.3 RAB P

6.4 C

OSPITAL ALARM SYSTEM CONNECTOR .........................................................................................................37

EMOTE LIGHT (RAB RL ONLY) CONNECTOR ......................................................................................39

OWER SUPPLY (RAB RL ONLY) CONNECTOR......................................................................................40

ABLING RAB RL INTERNAL ..........................................................................................................................41

7 ASSEMBLY DRAWINGS...................................................................................................................................42

7.1 S

PAREPARTS....................................................................................................................................................43

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1 INTRODUCTION

1.1 Manual Information

Scope of the Manual

The content of this field service manual is aimed primarily at biomedical
equipment technicians and field service personnel. The user of this field
service manual is expected to have a solid background in electronics,
including strong backgrounds in analog and digital electronics, as well as
microcomputer technology familiarity.

Revision History

Each page of this manual has a revision letter located at the bottom of
the page. It identifies the revision level of the entire manual. This may
be important if you have different manuals and you don’t know which is
the most current.
For the initial release, all pages have the revision letter A. For the second
update, all pages receive the revision letter B. The latest letter of the
alphabet added to the table below corresponds to the most current
revision.

Revision History

Revision Date Comment

A 04.05.2001 Initial release of this document

Manual Purpose

This field service manual has been prepared by the technical
publications staff at GE Medical System - IT, Inc. It is intended for
use by biomedical electronic technicians or other qualified service
personnel responsible for installation, maintenance or repair of the
RAB or RAB RL.

Chapter Content

The field service manual is organized into sections, as follows:

Introduction

Chapter one, “Introduction”, describes the revision history,
manufacturer responsibility, notes/cautions/warnings
and abbreviations.

Equipment Overview

Chapter two, “Equipment Overview”, describes the product,
technical specifications, preparation for use
and theory of operation.

Maintenance

Chapter three, “Maintenance”, describes the maintenance schedule,
visual inspection, cleaning the monitor, checkout procedures, leakage
current tests and “Blink Mode speciality”.

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Troubleshooting

Chapter four, “Troubleshooting”, describes electro-static discharge,
service mode and FAQ’s

Configuration

Chapter five, “Configuration”, describes jumper configurations, installing
the Remote Alarm Box

Connectors

Chapter six, “Connectors”, describes pin assignment of the connectors.

Assembly Drawings

Chapter seven, “Assembly Drawings”, provides mechanical diagrams,
reference diagrams, schematic diagrams and parts lists.

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1.2 Safety Information

Responsibility of the
Manufacturer

GE Medical Systems is responsible for the effects of safety,
reliability, and performance only if:

• Assembly operations, extensions, readjustments, modifications, or repairs are carried out by persons
authorized by GE Medical Systems.

• The electrical installation of the relevant room complies with the requirements of the appropriate
regulations.

• The equipment is used in accordance with the instructions for use.

Intended Use

This device is intended for use under the direct supervision of a licensed
health care practitioner.
To ensure patient safety, use only parts and accessories manufactured or
recommended by GE Medical Systems.
Contact GE Medical Systems for information before connecting
any devices to this equipment that are not recommended in this manual.

Equipment Symbols

The following symbols appear on the equipment.

NOTE

Some symbols may not appear on all equipment.
ATTENTION: Consult accompanying documents before using the
equipment.

Consult accompanying documents

AC voltage

DC voltage

LED indicator

Protection class II
(Caution the power supply unit for the alarm light of RAB RL is

a protection class I device)

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Notes, Cautions, and
Warnings

The safety statements presented in this section apply to the components
of the RAB and RAB RL Remote Alarm Box. Look for additional safety
information throughout the rest of this manual.
The order in which safety statements are presented in no way implies
order of importance.

The terms WARNING, CAUTION, and NOTE are used throughout this
manual to point out hazards and to designate a degree or level or
seriousness. Familiarize yourself with their definitions and significance.
Hazard is defined as a source of potential injury to a person.

WARNING

indicates a potential hazard or unsafe practice which, if
not avoided, could result in death or serious injury.

CAUTION

indicates a potential hazard or unsafe practice which, if
not avoided, could result in minor personal injury or
product/property damage.

NOTE

provides application tips or other useful information to
assure that you get the most from your equipment.

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1.3 Service Information

Service Requirements

Follow the service requirements listed below.

• Refer equipment servicing to GE Medical Systems authorized service personnel only.

• Any unauthorized attempt to repair equipment under warranty voids that warranty.

• It is the user’s responsibility to report the need for service to GE Medical Systems or to one of their

authorized agents.

• Failure on the part of the responsible individual, hospital, or institution using this equipment to
implement a satisfactory maintenance schedule may cause undue equipment failure and possible
health hazards.

• Regular maintenance, irrespective of usage, is essential to ensure that the equipment will always be
functional when required.

Equipment
Identification

Every GE Medical Systems device has a unique serial number for
identification.

Warranty

1 year

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1.4 Terminology

RAB Remote Alarm Box
RAB RL Remote Alarm Box with Remote Light
UTP CABLE Unshielded Twisted Pair Cable
PFD Power Failure Detection Mode of RAB / RAB RL
PWA Printed Wire Assembly
DMM Digital Multi Meter
GEMS-IT GE Medical Systems Information Technologies

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1.5 How to Reach Us

Service Calls and Product Support

To open a service call or obtain product support call the numbers below:

or contact your representative or distributor
For other product information please contact one of the offices listed on

the next page.

Ordering Supplies &Service Parts

Order supplies (leadwires, electrode paste, thermal paper, etc.)or service
parts (manuals, circuit boards, cables, software, etc.)from:

800.558.7044 (US &Canada)

561.575.5000 (outside US)

Accessories

GE Medical Systems Accessories and Supplies
2607 North Grandview Blvd.
Mail Code:SN-471
Waukesha,WI 53188

Telephone: [phone] (US only)

262.521.6856 (outside U.S.)

Fax: [phone] (US only)

262.521.6855 (outside US)

Service Parts

GE Clinical Services
P.O.Box 9100,100 Marquette Drive
Jupiter,FL 33468-9100

Telephone: [phone] (US only)

561.575.5000 (outside US)

Fax: [phone] (US only)

561.575.5050 (outside US)

Have the following information available before calling:

♦ part number of the defective part, or
♦ model and serial number of the equipment,
♦ part number/name of the assembly where the item is used,
♦ item name, and
♦ where applicable, reference designation (eg,R13,S12).

Ordering Manuals

When ordering additional operator manuals, be sure to include the
software version of the product.

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Other Questions or Problems

For additional information contact one of the offices listed below or see
our website at www.gemedicalsystems.com

Headquarters

GE Medical Systems
Information Technologies
8200 West Tower Avenue
Milwaukee,WI 53223,USA
Telephone: [phone] or 800.558.5120 (US only)
Fax: [phone]

Europe

GE Medical Systems
Information Technologies
Postfach 60 02 65
D-79032 Freiburg, Germany
Telephone: [phone]
Fax: [phone]

Australia

GE Medical Systems (Australia)Pty Ltd.
13 South Street
Rydalmere NSW 2116,Australia
Telephone: [phone]
Fax: [phone]

Japan

GE Medical Systems,Japan
67-4 Takakura-cho
Hachiojii-shi,Tokyo 192-003,Japan
Telephone: [phone]

+0120-055-919 (toll free inside Japan only)

Fax: [phone]

Hong Kong

GE Medical Systems Hong Kong Limited
11th Floor,The Lee Gardens
33 Hysan Avenue
Causeway Bay,Hong Kong
Telephone: [phone]
Fax: [phone]

Southeast Asia

GE Pacific
298 Tion Bahru Road #15-01/06
Central Plaza,Singapore 168730
Telephone: [phone]
Fax: [phone]

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2 EQUIPMENT OVERVIEW

2.1 Product Description

Remote Alarm Box (RAB)

The Remote Alarm Box is a microprocessor controlled isolation
relay (secondary alarm device).
It is used to connect the device listed below to the hospital alarm
system:

• Dash patient monitors

• Dash Port Docking Station

Figure 2.1 Remote Alarm Box

• Solar 8000M patient monitor

Remote Alarm Box with Remote Light (RAB RL)

The RAB RL is used to connect an alarm light (Remote Light, P/N
8500 AAX) to the devices listed above (secondary alarm light). This
RAB RL does not connect to the hospital alarm system. A special,
hospital grade power supply unit is required to supply power to the
alarm light;
This unit is included in the shipment.

Figure 2.2 Remote Alarm Box RAB RL

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Both, RAB and RAB RL will function correctly only in conjunction with monitors with the software versions
listed below:

Monitor Software Version

Dash 2000 V3A or later
Dash 3000
Dash 4000
Solar8000M V2A or later

1)

not via Dash Port Docking Station

V2B
V2B

1)

or later

1)

or later

Table 2.1 RAB Software compatibility

2.2 LED Indicator Description

Figure 2.3 RAB LED Interface

Explanation of the LED Indicator

Indicator Function

indicate the selected alarm

A, B, C

mode:
A : continuous mode

B : intermittent mode
C : blink mode

D

mode with power failure
detection

E

lights up in alarm situation

Table 2.2 LED Indicator

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2.3 Description of Operation

Figure 2.4 RAB Block Diagram

Block diagram of RAB :

The interface to the connected Patient Monitoring System is realized by a standard serial RS232
communication interface. So, in different to the existing Isolation Boxes („Nurse Call Boxes“) a small
microprocessor is needed to realize the communication part of the box. The RAB / RAB RL operation
mode could be configured by three configuration jumpers.
The µProcessor is requesting every 500ms the alarm status of the patient monitor via serial communication
protocol. If the Monitor is in “ALARM”-state, the RAB / RAB RL toggles the alarm relay according to the
configured alarm mode. If the Monitor is not in this state, the RAB / RAB RL switches the relay back (if it
was in alarm state) or the relay remain the “non-alarm” position according to the configured operating mode.
After power up of the RAB / RAB RL there is a onetime switch delay of approx. 20 seconds to let the patient
monitor startup to normal operation.
An independent hardware watchdog / power supervisor chip is provided to guarantee proper powerup/
powerdown and software behavior.
The configured device status and also the detected alarm status are displayed by 5 LED’s.
On Patient Monitor side the communication interface is realized as a M-Port interface with an 8-pin RJ-45
connector.
To connect the box to a hopsital alarm call system a 3 terminal screwing connector is provided and to
connect the RL version of the RAB to the EAGLE Remote Light and external IEC601-1 power supply, a 9­pin SUB-D and a 3-pin power connector are used .

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2.4 Specification Mechanical, Electrical

Mechanical Specification:

Size of the Housing : 114mm x 72mm x 45mm

Electrical Specification :

RAB / RAB RL

Operating Voltage +5V (+-10%), max. 0.1A

Relay Switching Capacity 24V DC / 1A

250V AC / 1A

(Blink Mode : 24V DC / 24V AC, 0.1 A !)

Relay Isolation Voltage 4000V - RAB / RAB RL to Relay Output

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3 MAINTENANCE

3.1 Maintenance Schedule

Manufacturer
Recommendation

To make sure the RAB / RAB RL remains in proper operational and functional
order, a good maintenance schedule must be adhered to.
The manufacturer's recommendations in this regard are as follows:

• Visual Inspection: These should be performed by qualified service personnel upon receipt of the
equipment, every 12 months thereafter, and each time the monitor is serviced.

• General Cleaning: Service personnel should perform this after servicing the monitor.

• Checkout Procedures: These should be performed by qualified service personnel upon receipt of the

equipment, every 12 months thereafter, and each time the monitor is serviced.

• Leakage Current Tests: These should be performed by qualified service personnel upon receipt of the
equipment, every 12 months thereafter, and each time the monitor is serviced.

• Maintenance “Blink Mode” : If Blink mode is used a special maintenance must be performed by
qualified service personnel every 12 months.

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3.2 Visual Inspection

Inspecting the
Monitor

The RAB / RAB RL should be carefully inspected.
Follow these guidelines when inspecting the equipment:

• Carefully inspect the RAB / RAB RL for obvious physical damage to the outer case. Do not use the RAB
/ RAB RL if physical damage is determined. Refer damaged equipment to qualified service personnel
for repair before using it again on a patient.

• Inspect all external connectors, front and rear, for degraded pins, prongs and connector housings.
Refer damaged equipment to qualified service personnel for repair before using it again on a patient.

• Inspect all cable insulation, cable strain-reliefs and cable connectors for damage, cracks or
degradation. Refer damaged equipment to qualified service personnel for repair before using it again on
a patient.
For RAB RL check the fixing of the power cable at power supply and the RAB RL.

• Safety labels and inscriptions on the device are clearly legible.

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3.3 General Cleaning

Clean External
Surfaces

The exterior surfaces may be cleaned with a lint-free cloth dampened
with one of these approved solutions:

• ammonia (diluted),

• Cidex,

• mild soap (dissolved), or

• sodium hypochlorite bleach (diluted).

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3.4 Checkout Procedures

Checkout Procedures

The following pages contain the checkout procedures for the RAB / RAB RL. The purpose of the checkout
procedures is to provide service personnel with a method which can be used to verify operational and
functional performance of the RAB / RAB RL. Failure to attain any of the listed results
indicates a potential malfunction of the RAB / RAB RL. Perform the checkout procedures upon receipt of
the RAB / RAB RL, every twelve months thereafter, and each time the circuit board is removed or replaced.
The checkout procedures are based on the assumption that the RAB / RAB RL being tested is used with
known good cables and test equipment. It also requires that the user be somewhat familiar with the
operation of all test equipment required for the checkout procedures. For more information concerning the
operation of these components, refer to the respective operator manual.

Functional Test

It’s recommended that the RAB / RAB RL will be checked connected to a
complete system with DASH2000, DASH 3000, DASH4000 or
SOLAR8000M as a bedside.

For the functional test switch the monitor to a “NO Alarm” state.

RAB / RAB RL Mode Relay

Intermittent Mode with PFD closed
Intermittent Mode open
Continuous Mode with PFD closed
Continuous Mode open
Blink Mode with PFD closed
Blink Mode open
Test Mode for Service only Open for 0.5 seconds and

Closed for 0.5 seconds,
periodical

Table 3.1 RAB Function Test

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After this change the monitor to a “Alarm “ state.

RAB / RAB RL Mode Relay

Intermittent Mode with PFD Open for 100 seconds and

Closed for 1 seconds,
intermittent

Intermittent Mode Closed for 100 seconds and

Open for 1 seconds,

intermittent
Continuous Mode with PFD open
Continuous Mode closed
Blink Mode with PFD Open for 2 seconds and

Closed for 2 seconds,

intermittent
Blink Mode Closed for 2 seconds and

Open for 2 seconds,

intermittent
Test Mode for Service only Open for 0.5 seconds and

Closed for 0.5 seconds,

periodical

Table 3.2 RAB RL Function Test

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3.5 Electrical Safety Test

General

Electrical safety test provide a method of determining potential electrical health hazards to the patient or
operator of the device exist.

Recommendations

To help you establish a systematic maintenance routine, GEMS-IT
recommends that you perform all safety tests presented in this
chapter

• upon receipt of the device,

• every twelve months thereafter,

• each time the main enclosure is disassembled or a circuit board is removed, tested, repaired, or

replaced, and

• record the date and results on the “Maintenance/Repair Log” included at the end of this chapter.

CAUTION

Failure to implement a satisfactory maintenance schedule may cause undue equipment failure and
possible health hazards. Unless you have an Equipment Maintenance Contract, GE Medical Systems
does not in any manner assume the responsibility for performing the recommended maintenance
procedures. The sole responsibility rests with the individual or institution using the equipment.
GEMS-IT service personnel may, at their discretion, follow the procedures provided in this manual as
a guide during visits to the equipment site.

Test Conditions

Electrical safety tests may be performed under normal ambient conditions of temperature, humidity, and
pressure.

Test Equipment

The manufacturer recommended test equipment required to perform electrical safety tests is listed below
(see table 3.3). Equivalent equipment may be substituted as necessary.

Required Tools/Special Equipment

Leakage Current Tester
120 V
240 V (equivalent to the figures 3.1 - 3.2)
Multimeter 0 – 1000mV

Table 3.3 RAB Safety Test special Equipment

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Wall Receptacle Test

Before starting the tests, the wall receptacle from which the monitoring device will get electrical power must
be checked. This test checks the condition of the wall receptacle to ensure correct results from leakage
tests. For international wall receptacles, refer to the internal standards agencies of that particular country.
Use a digital multimeter to ensure the wall receptacle is wired properly. If other than normal polarity and
ground is indicated, corrective action must be taken before proceeding. The results of the following tests will
be meaningless unless a properly wired wall receptacle is used.

3.5.1 Ground (Earth) Wire Leakage Current Tests

This test needs to be performed only with RAB RL.
Perform this test to measure current leakage through the ground (earth) wire of the equipment during

normal operation.

1. Set the leakage tester switches as follows:

• GND switch - OPEN,

• Polarity switch – NORM and RVS

• Power switch - OFF.

2. Connect the DMM to the METER jacks on the leakage tester. Set the DMM to measure
AC millivolts.

3. Connect the power cord of the device under test to the power receptacle on the rear
of the leakage tester.

NOTE

The device under test is to be tested at its normal operating voltage.

4. Set the leakage tester power switch to ON.

5. Read the current leakage indicated on DMM. If the reading is greater than the appropriate

specification below, the device under test fails and should be repaired and tested again.

• 300 microamperes (0.3 volts on the DMM), and the device under test is powered
from 100 - 120 V / 50 - 60 Hz

• 300 µA (0.3 volts on the DMM), and the device under test is powered
from a centered-tapped 200 - 240 V / 50 - 60 Hz, single- phase circuit

• 500 µA (0.5 volts on the DMM), and the device under test is powered
from a non-center-tapped, 200 - 240 V / 50 - 60 Hz, single-phase circuit

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NOTE

Center-tapped and non-center-tapped circuits produce
different leakage currents and the UL and IEC limits are
different.

6. Set the leakage tester power switch to OFF.

Figure 3.1 RAB Ground (Earth) Wire Leakage Current Tests

NOTES

The MD (measuring device) is the circuitry defined by the appropriate standard
for measuring leakage current. The measuring devices, defined by various
standard organizations (IEC, UL, etc.), produce almost identical test measurement results.

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3.5.2 Enclosure Leakage Current Test

This test needs to be performed only with RAB RL.
Perform this test to measure current leakage through exposed

conductive surfaces on the device under test during normal operation.

1. Set the leakage tester switches as follows:

• GND switch - OPEN,

• Polarity switch – NORM

2. Connect a meter lead between the GND of the tester accordingly to the circuit and the
metal housing of the RL connector and one of the metal screws of the remote light..

3. Set the leakage tester power switch to ON.

4. Read the current leakage indicated on DMM. If the reading is greater than the

appropriate specification below, the device under test fails and should be repaired and
tested again.

• 300 microamperes (0.3 volts on the DMM), and the device under test is powered
from 100 - 120 V / 50 - 60 Hz

• 300 µA (0.3 volts on the DMM), and the device under test is powered
from a centered-tapped 200 - 240 V / 50 - 60 Hz, single phase circuit

• 500 µA (0.5 volts on the DMM), and the device under test is powered
from a non-center-tapped, 200 - 240 V / 50 - 60 Hz, single-phase circuit

NOTE

Center-tapped and non-center-tapped circuits produce different leakage currents and
the UL and IEC limits are different.

5. Set the polarity switch to RVS and observe the same meter readings as in the previous step.

6. Set the GND switch on the leakage tester to CLOSED.

7. Read the current leakage indicated on DMM. If the reading is greater than the appropriate
specification below, and the device under test is powered from 100-240 V/50-60 Hz,

the device under test fails and should be repaired and tested again.

• 100 microamperes (0.1 volts on the DMM), and the device under test is powered
from 100-240 V/50-60 Hz

8. Set the polarity switch to RVS and observe the same meter readings as in the previous step.

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9. Set the leakage tester power switch to OFF and remove the meter lead connected in step 2.

Figure 3.2 Enclosure Leakage Current Test

Test Completion

Disconnect all test equipment from the device. Disconnect the device
power cord plug from the leakage tester power receptacle. Disconnect the
leakage tester from the wall receptacle.

3.6 Maintenance Blink Mode

Due of the maximum switching cycle of the relay contacts there is a reduced relais life time in Blink Mode.
If the Blink mode is used, the PWA must be replaced every 12 months.

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4 TROUBLESHOOTING

4.1 Electrostatic Discharge (ESD)

CMOS Components

The monitor makes extensive use of CMOS components because they are more immune to noise and
consume less power than standard TTL or NMOS components. However, CMOS components are
inherently more susceptible to electrostatic discharge (ESD) damage than other types of semiconductor
materials. ESD damage, causing a weakening or complete breakdown of p-n junctions within multilayer
semiconductor substrates, can range from slight degradation to catastrophic failure. Slight degradation
usually results in intermittent failure of the affected component catastrophic failure results in rendering the
affected component permanently unusable. Although CMOS components may be more sensitive to ESD, all
semiconductor devices are susceptible to ESD damage. All external connector inputs and outputs of the
monitor are designed with protection from ESD damage. However, if the monitor requires service, exposed
components and assemblies contained within are susceptible to ESD damage. This includes human hands,
non-ESD protected work stations and/or improperly grounded test equipment. The following guidelines help
make a service workstation more resistant to the ESD damage:

• Discharge any static charge you may have built up before handling semiconductors or assemblies
containing semiconductors.

• A grounded, antistatic wristband (3M part number 2046 or equivalent) or heel strap should be worn at
all times while handling or repairing assemblies containing semiconductors.

• Use properly grounded soldering and test equipment.

• Use a static-free work surface (3M part number 8210 or equivalent) while handling or working on

assemblies containing semiconductors.

• Do not remove semiconductors or assemblies containing semiconductors from antistatic containers
(Velo-stat bags) until absolutely necessary.

• Make sure power to an assembly is turned off before removing or inserting a semiconductor.

• Do not slide semiconductors or electrical/electronic assemblies across any surface.

• Do not touch semiconductor leads unless absolutely necessary.

• Semiconductors and electrical/electronic assemblies should be stored only in antistatic bags or boxes.

These guidelines may not guaranty a 100% static-free workstation, but can greatly reduce the potential
for failure of any electrical/electronic assemblies being served.

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4.2 RAB / RAB RL for your Safety

Before opening the RAB, please disconnect the cable to the hospital alarm system from the wall inlet to
prevent the risk of higher voltage inside the RAB.

For RAB RL also disconnect the power supply cable before opening the RAB RL.
After configuration of the device to the alarm mode used in the specific hospital and closing / mounting of

the device, always a functional test of the complete alarm path (Patient Monitor -> RAB / RAB RL ->
Hospital Alarm System / Remote Alarm Light with external power supply) must be performed!

4.3 Service Mode RAB / RAB RL

For a functional control of the RAB / RAB RL installation without using a Patient Monitor, a special service
mode is implemented. After open the RAB / RAB RL box please configure the configuration jumpers to
SERVICE MODE (J1:2-3, J2:2-3, J3:2-3). Please remember the original settings of the jumpers to
reconfigure the device to the original settings.

This mode is only for service purposes. It will toggle the relay output every half second. This mode toggles
also LED E every half second from ON to OFF and vice versa . It helps to ensure the functionality of the
RAB / RAB RL microprocessor system , the relay output and the connected hospital alarm system / remote
alarm light.

NOTE

When in working in this mode there will be no failure detection or alarm processing! Using this mode
there will be no test of the alarm communication path from the patient monitor to the RAB / RAB RL!
(Patient Monitor, cable, RAB / RAB RL communication interface are not tested).

NOTE

After reconfiguration of the device to the alarm mode used in the specific hospital and closing /
mounting of the device, always a functional test of the complete alarm path must be performed!

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4.4 Troubleshooting FAQ’s

This section covers (when not specifically mentioned) both devices, RAB and RAB RL

No reaction of the RAB / RAB RL after power up

If the RAB / RAB RL will not react on connecting it to a patient monitor / docking station there could be the
following listed reasons for this behavior: When used with DASH / DASH PORT docking station a AUX-Port
to M-Port Adapter must be used at patient monitor / DASH PORT docking station side. When used with
SOLAR8000M, no adapter must be used. Cable to patient monitor could be defective or has no contact to
the patient monitor / docking station connector or the RAB / RAB RL connector AUX-Port to M-Port Adapter
could be defective or has no contact At patient monitor side, cable is plugged into wrong connector (DASH ­> Ethernet) or the RAB could be defective. Please replace the RAB / RAB.
Patient Monitor’s or Docking Station’s M-port / AUX-Port has a defect.

After power up, not all LED’s are flashing ON for a short time

After powering the device, all five LED’s must flash ON for nearly a second. This is a visual control of the
LED’s circuits functionality. If this error occurs, LED, LED transistor or specific microcontroller output could
have a malfunction. Please replace the RAB / RAB.

Error detected, all five LED’s are blinking

There are several tests done by the internal microprocessor during startup and normal operation of the
device. Because all tests check functional critical parts of the device, a detected error means that the
correct functionality of the device can not be guaranteed. Please replace the RAB / RAB.

RAB / RAB RL works normal, but no relay toggle / LED “E” ON when alarm

There can be the following listed reasons for this behavior: Cable to patient monitor / docking station or
AUX-Port to M-Port adapter is defective or RAB is defective Please replace the RAB / RAB. Patient
Monitor’s or Docking Station’s M-port / AUX-Port has a defect.

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RAB / RAB RL works normal, also in alarm state,
but no reaction of Alarm System:

Check complete cabling to the hospital Alarm System Check hospital Alarm System functionality
Check the fuse inside the RAB. If the fuse was burned, please replace the RAB. Check the functionality of
the RAB relay. To do this, disconnect the RAB from the Alarm System and use an Ohm Meter to check the
correct functionality of the relay. If the relay / LED E will not work properly, please replace the RAB.

RAB RL:

Check the 12 VDC of the medical power supply. If the power supply is defective, please replace it. Check
the wiring inside the RAB RL for broken connections. When the power supply is connected to the RAB RL,
verify the voltages at the RAB RL remote light connector. (See 4.3.3 pinning). If the voltages are OK (also
when in alarm state -> +12VDC on pin ALARM) and the remote light will not work, please replace the alarm
light. Check the fuse inside the RAB. If the fuse was burned, please replace the RAB RL. This should never
happen, if it will, also the power supply and the remote light will surely be defective. Check the functionality
of the RAB relay. To do this, disconnect the RAB RL from the Alarm System and use an Ohm Meter to
check the correct functionality of the relay. If the relay / LED E will not work properly, please replace the

RAB RL.

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5 CONFIGURATION

5.1 CONFIGURATION Jumper

Alarm Mode Configuration (RAB / RAB RL)

Figure 5.1 Jumper Description (Example)

Table 5.1 Alarm Mode Jumper

The factory default setting for the alarm mode is
the “Intermittent Mode (100 seconds) with
Power Failure Detection”. If your application
requires a different alarm mode, configure this
mode as follows before connecting the RAB /
RAB RL.

• Remove the 4 screws on the underside of the housing.

• Take off the upper part of the housing.

You will see the three jumpers J 1, J 2 and J 3 on
the PWA. The jumper configuration determines
the alarm mode (Figure 5.1). Upon delivery, all
three jumpers are in position 1-2 (intermittent
mode – 100 seconds, with power failure
detection). Refer to Table 5.1 for all possible
jumper configurations.

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5.2 Connecting the Cable to the Hospital Alarm System

Warning

Patient Safety — Choose cables and connectors with the appropriate voltage
and current carrying capacity.

Note

When operating the hospital alarm system in the current monitoring mode,
please connect the cables appropriately.

• Loosen the screw of the cable collar on the PWA.

• Guide the cable through the sleeve.

• Connect the cable to the relay contacts as required for the configured alarm mode:

- terminals REL 2 and REL 3: break contact

(open when relay attracts)

- terminals REL 1 and REL 2: make contact

(closed when relay attracts)

• Secure the cable with the collar. To ensure that thin cables are securely held in place by the cable
collar, wrap them in insulating tape or reinforce them with shrink-down tubing.

• Place the upper part of the housing on the lower part, checking the correct position of the optical light
guides.

• Screw tight the four screws on the underside of the housing.

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5.3 Connecting the Alarm Light (RAB RL)

The factory default wiring of the alarm light
connector (1, Figure 5.2) is for an alarm mode
with power failure detection, i.e., when the relay
is released, the light is on. To select a mode
without power failure detection, change the
wiring internally as follows:

Figure 5.2 Connecting RAB RL

• Open the housing and disconnect the cable to terminal REL 3 and connect it to terminal REL 1.

• Close the housing.

• Connect the alarm light to connection (1, Figure 5.2).

• Secure the connection with the screws provided on the plug.

4

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5.4 Connecting the Power Supply Unit (RAB RL)

Note

You can install the power supply unit either by means of a Velcro strip attached to the back side of
the support, or mount it to a GCX system. When using a GCX system, the appropriate fixation
elements must be mounted on the support before the power supply unit can be inserted in the
support.

• Remove the upper part of the cable collar (6, Figure 5.3).

• Plug the power supply cable into the socket (5, Figure 5.3).

• Place the cable in the lower part of the cable collar

(6, Figure 5.3) and screw tight the upper part of the collar
to secure the able.

• Insert the power supply unit (the legs pointing down) in

• Screw the bracket with the cable collar on to the support

• Remove the upper part of the cable collar (9 Figure 5.5).

• Place the power cord in the lower part of the cable collar and

• Connect the power supply unit to the power line.

Figure 5.3 RAB RL connecting power supply

the support (7 Figure 5.4).

(8 Figure 5.5).

Connect the lower cord to the power supply unit.

screw tight the upper part of the collar to secure the
cable (10, Figure 5.6).

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Figure 5.4 a) RAB RL mounting the power supply

Figure 5.5 b) RAB RL mounting the power supply

Figure 5.6 c) RAB RL mounting the power supply

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5.5 Connecting RAB / RAB RL to the Patient Monitor

Caution

Patient Safety — Only the GEMS IT supplied UTP cable or an equivalent cable may be
used to connect the device to the patient monitor. Observe the following points to ensure
correct functioning of the RAB / RAB RL: unshielded, twisted-pair cable, 8-pole,
max. length 5 m, min. AWG 26, gold-plated contacts; do not use X-cables.

• Plug the supplied UTP cable into socket.To do so, push the plug into the socket until you hear it click
into place. Briefly pull on the cable to check that the connection is secure. When connecting the device
to a Dash patient monitor or to a Dash Port Docking Station, the adapter ADPTR AUTOPORT M-PORT
(2001973-001) must be connected to the AUX port of the monitor / Dash Port Docking Station first
(Figures 5.7).

When connecting the device to a SOLAR 8000M patient monitor, the cable is directly plugged into one
of the M-PORT sockets (Figures 5.8).

• Connect the cable as shown in Figures 5.7 and 5.8. Ensure that the connector(s) engage properly.

Figure 5.7 RAB M-Port to Autoport Adapter

Figure 5.8 RAB M-Port UPT cable

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6 Connectors

General

The connector to the Patient Monitor is directly M-Port compatible, so the RAB could be connected directly
to a SOLAR8000M patient monitor.

To connect the RAB to a DASH patient monitor, the Autoport adapter PN 2001973-001, Rev.B or newer
must be used.

Monitor Connector RJ-45

Figure 6.1 RAB / RAB RL RJ-45 Connector

Pinning:

PIN No. Label Direction/ Power Description

1 ETH1 N.a. M-Port Signal, not used
2 ETH2 N.a. M-Port Signal, not used
3 SID I/O Serial Identification Pin,

1-Wire Protocol
4 M_PORT_GND Power Ground return line
5 TXD Output RS 232 Transmit line
6 SID_RETURN Power Serial Identification, Ground return line
7 RXD Input RS232 Receive line
8 M_PORT_VCC Power +5V Power Input

Table 6.1 RAB / RAB RL RJ-45 Connector

Input Data

SID Input signal to communicate from Patient Monitor (e.g. with M-Port,

like SOLAR8000M) with the DS2430A E²PROM to determine Serial ID
number.

RXD Input signal to get patient monitor alarm status via RS232 communication

Output Data

TXD Output signal to request patient monitor alarm status via RS232 communication.

ETH1,ETH2 M-Port Ethernet differential lines, not connected, not used

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Power Signal
M_PORT_VCC Power input signal (5V)
M_PORT_GND Power Ground
SID_RETURN Power Ground signal from Patient Monitor (e.g. with M-Port, like

SOLAR8000M) to determine Serial ID number

6.1 Hospital Alarm System Connector

Figure 6.2 RAB Hospital Alarm System Connector

REL1

REL2

REL3

Figure 6.3 RAB Hospital Alarm System Connector - Schematic

REL1 Contact to be connected with REL2 if relay current is switched on
REL2 Middle contact of the relay
REL3 Contact to be connected with REL2 if relay is not powered

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How to connect the cable to Hospital Alarm System

• Loosen the screw of the cable collar on the PWA.

• Guide the cable through the sleeve.

• Connect the cable to the relay contacts as required for the configured alarm mode:

- terminals REL 2 and REL 3: break contact
(open when relay activates)

- terminals REL 1 and REL 2: make contact
(closed when relay activates)

• Secure the cable with the collar. To ensure that thin cables are securely held in place by the cable
collar, wrap them in insulating tape or reinforce them with shrink-down tubing.

• Place the upper part of the housing on the lower part, checking the correct position of the optical light
guides.

• Screw tight the four screws on the underside of the housing.

Warning

Patient Safety — Choose cables and connectors with the appropriate voltage and current
carrying capacity.

Note

The RAB can be connected to the hospital alarm system in different ways, depending on whether or not the
power failure detection mode is configured and whether or not the hospital alarm system is using the
current monitoring mode.

Power failure detection mode ENABLED

• hospital alarm system using current monitoring mode: connect terminals REL 1 and REL 2
(break contact when power off/alarm)

• hospital alarm system not using current monitoring mode: connect terminals REL 2 and REL 3
(make contact when power off/alarm)

Power failure detection mode DISABLED

• hospital alarm system using current monitoring mode: connect terminals REL 2 and REL 3
(break contact when alarm )

• hospital alarm system not using current monitoring mode: connect terminals REL 1 and REL 2
(make contact when alarm)

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6.2 RAB Remote Light (RAB RL only) Connector

Figure 6.4 RAB RL Remote Light Connector

A 9 pin Sub-D connector to connect the EAGLE Remote Light 8500AAX to the RAB RL
Pinning of the 9-pin Sub-D connector:

PIN
number

1 VS Power Output +12 VDC
2 - - not connected
3 - - not connected
4 - - not connected
5 - - not connected
6 - - not connected
7 COM Power Output Ground
8 ALARM Signal Output +12V: Alarm

9 - - not connected
Shield Shield - connected to Alarm Light shield not connected to RAB

Table 6.2 RAB RL Remote Light Connector

Label Direction/ Power Description

NC/Ground: No Alarm

RL, no other electrical connection

Output Data

VS +12VDC to EAGLE Remote Light 8500AAX
COM Ground signal to EAGLE Remote Light 8500AAX
Alarm Alarm signal to EAGLE Remote Light 8500AAX

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6.3 RAB Power Supply (RAB RL only) Connector

Figure 6.5 RAB RL Power Supply Connector

3-pin male connector for the 12VDC Medical Power supply 2000300-001
Pinning of the 3-pin Power connector:

PIN
number

1 +12VDC Power Input
2 GND Power Input
3 - - not connected

Table 6.3 RAB RL Power Supply Connector

Label Direction/ Power Description

Input & Power Data

VCC +12VDC from external medical power supply
GND GND from external medical power supply

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6.4 Cabling RAB RL internal

Figure 6.6 RAB RL cabling

Wire 1 (red) is to be connected to REL2 and

Wire 2 (red/black) is to be connected according to the selected alarm mode:

• REL3 when operating with power failure detection (default mode) or

• REL1 when operating without power failure detection

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7 ASSEMBLY DRAWINGS

Introduction

Included in this section is a complete set of mechanical diagrams, Reference diagram and schematic
diagrams.

Spare Part List - These list shows the complete parts for service use.
Mechanical diagrams - These diagrams shows the mechanical assembly of RAB

and RAB RL
Reference diagrams - These diagrams shows provide a reference and view of the

used components in the schematic.
Schematic diagrams - These diagrams shows the electrical wired connections

between the used analog and digital electronics components.

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7.1 Spareparts

Electronic Parts

Part Description Detailed Part Description Part No.

Remote Alarm Box Remote Alarm Box RAB (RAB Box

including Printed Circuit Board)
Remote Ala rm Box Remote
Light
Spare PCB. Remote Alarm
Box

Power Supply Power Supply SW172 (12V) 2000300-001
Assembly Remote Light Assembly Remote Light for RAB RL Box 8500AAX
Fuse Fuse for Relay circuit 3.15A Slow Blow 91208440

Remote Alarm Box Remote Light (RAB

RL Box including Printed Circuit Board)

Spare PCB. Remote Alarm Box for RAB

and RAB RL Alarm Boxes (High Pot

tested)

2005693-001
2005693-006
2007067-001

Mechanical Parts

Part Description Detailed Part Description Part No.

Optical Light Guide Optical Light Pipe for RAB, RAB RL 2005478-001
Cable clamp Cable clamp for RAB 91614100
Plastic nozzle Plastic nozzle for cable of RAB 42103273
Cable clamp Cable clamp for RAB RL 91618976
Bottom plate Bottom plate metal for RAB RL 2006575-001
Adapter plate Adapter plate metal for GCX mounting. 2006576-001
Holder for Power Supply Metal Holder for Power Supply SW172 2006574-001
Bracket Metal Bracket for Power Supply Holder 2006573-001

Cables and Connectors

Part Description Detailed Part Description Part No.

Adapter Autoport to M-Port Adapter Autoport to M-Port 2001973-001
Cable Assembly RJ45 5ft Cable Assembly RJ45 to bedsides 5ft 418335-001
Cable cord 2 wire Cable cord 2 wire (has to be ordered in

meter)

91906200

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The following Power Cords are only used for RAB/RL units

Detailed Part Description Part No.

PWR CORD 10A 8FT CONT EURO STR 401855-101
PWR CORD 10A 8FT BRITISH STR 401855-102
PWR CORD ITALIAN 10A 8FT STR 401855-103
PWR CORD ISRAELI 10A 8FT STR 401855-104
PWR CORD SWISS 10A 8FT STR 401855-107
PWR CORD INDIAN 10A 8FT STR 401855-108
PWR CORD DANISH 10A 8FT STR 401855-109
PWR CORD AUSTALIAN 10A 8FT STR 401855-110
PWR CORD 125V 6FT STR (United States) 80274-006

Operation and Service Manuals

Part Description Detailed Part Description Part No.

Operation Manual GER Operation Manual German language 2006406-001
Operation Manual ENG Operation Manual English language 2006406-002
Operation Manual FRE Operation Manual French language 2006406-003
Operation Manual ITA Operation Manual Italian language 2006406-004
Operation Manual SPA Operation Manual Spanish language 2006406-005
Operation Manual DUT Operation Manual Dutch language 2006406-006
Operation Manual SWE Operation Manual Swedish language 2006406-007

Operation Manual RUS Operation Manual Russian language 2006406-009
Operation Manual POL Operation Manual Polish language 2006406-011
Operation Manual JAP Operation Manual Japanese language 2006406-012
Operation Manual POR Operation Manual Portuguese language 2006406-013
Operation Manual NOR Operation Manual Norwegian language 2006406-014
Operation Manual DAN Operation Manual Danish language 2006406-015
Operation Manual CHI Operation Manual Chinese language 2006406-016
Operation Manual HUN Operation Manual Hungarian language 2006406-017

Service Manual Service Manual 2006406-010

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Following sheets are att ached:

2004577-001 SCHEM INTFC NURSE CALL
2004576-002 DOC REF DW G INTFC NURSE CALL 1
2004576-003 DOC REF DW G INTFC NURSE CALL 2

RAB :

2005693-002 DOC MECH DWG ZM01

RAB RL:

2005693-007 DOC MECH DWG ZM01
2005693-008 DOC SCHEM SZ01

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Marquette Hellige GmbH

Not equipped in Version :

x1

2004576-001
x2
x3
x4
x5

Revision-No

ER24685
MR27364
ECO-066622

REVISIONS

Index

1
A
B

Date / Name

03.11.00/WMW

20.12.00/TYR

16.03.01/TYR

A03

DRAWN
APPROVED

ISSUED

D-79007 Freiburg

2004575-001

Date / Name

03.11.00/WMW

03.11.00/SNA

W.Waltersberger

2004577-001
SCHEMATIC

INTFC NURSE CALL

Sheet:

11

of

$USER_CAD_B/2004575/design

[2000, 7, 19, 4]

gemedicalsystems.com

European Headquarters
GE Medical Systems
Information Technologies GmbH
Postfach 60 02 65
D-79032 Freiburg • Germany
T el. [phone] - 0
Fax [phone] - 233

World Headquarters
GE Medical Systems
Information Technologies, Inc.
8200 West T ower A venue
Milwaukee, WI 53223 • USA
T el . [phone]
Fax [phone]

Asia Pacific
GE Medical Systems Hong Kong Ltd.
11th Floor , The Lee Gardens
33 Hysan Avenue
Causeway Bay Hong Kong
Te l: +852.2100.6300
Fax: [phone]