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ERU50-001 Emergency Relay Unit  

SM83 Installation and Operation Manual 

 

 

Installation and Operation Manual 

Issue 1.01 

Page 3-1 

 

CONFIDENTIAL AND PROPRIETARY TO COBHAM 

 

Section 3 Operation 

3.1  

Introduction 

 
Information in this section consists of functional and operational procedures for the

 

ERU50-001 

Emergency Relay Unit

3.2  

General Information 

 
The ERU50 is an Emergency Relay Unit for use with the Cobham Digital Audio Communication System 
(DACS). 
 
The ERU50-001 Emergency Relay Unit has no operator accessible controls. During installation, it may be 
determined that internal level adjustments are required. Qualified personnel only shall complete internal 
level adjustments. 
 
 
 

Section 3 ends 

 

 

Содержание ERU50-001

Страница 1: ...Division is responsible for full distribution and revisions of ICA s Instructions for Continued Airworthiness For inquiries regarding the content and currency of this manual contact Wulfsberg Electron...

Страница 2: ...us of each section is controlled by revision shown in the footer of each page All revisions affecting sections of this manual have been incorporated into the latest issue ISSUE REVISION RECORD Manual...

Страница 3: ...l Specifications 1 3 1 4 3 Environmental Specifications 1 3 2 Installation 2 1 Introduction 2 1 2 2 Unpacking and Inspection 2 1 2 2 1 Warranty 2 1 2 3 Airworthiness Limitations 2 1 2 4 Installation P...

Страница 4: ...source audio in an aircraft It enables the transmission of microphone audio to a selected Transceiver and distributes all Inter Communication System ICS audio The ERU50 allows continued communication...

Страница 5: ...1A maximum Intercommunication System Key Inputs Quantity 2 Maximum Current 1A maximum ERU Status Discrete Selection Quantity 1 Maximum Current 1A maximum AMU ACP 3 Power Quantity 1 Rated Input Level 3...

Страница 6: ...67 3 mm maximum Width 4 54 in 115 3 mm maximum Weight 0 32 lbs 0 15 kg maximum Mounting Bulkhead Mount Four 10 32 screws Material and Finish Metal components are brushed aluminum with conversion coat...

Страница 7: ...aterials and labour but is exclusive of any transport to deliver the defective unit to and from Cobham or its designated warranty repair center or any labour to remove or re install the defective unit...

Страница 8: ...s Note that the hood is a clamshell hood and is installed after the wiring is complete Maintain wire segregation and route wiring in accordance with the original aircraft manufacturers Maintenance Ins...

Страница 9: ...Key signals connected to USER 1 ACP3 is not powered USER 4 Mic Phone ICS Key and TX Key signals connected to USER 2 ACP4 is not powered ERU Status is LO GROUND N N B E N USER 3 Mic Phone ICS Key and T...

Страница 10: ...TX KEY AMU ACP3 POWER AMU USER 3 MIC AMU USER 3 PHN AMU USER 3 ICS KEY AMU USER 3 TX KEY ERU STATUS IN To Alert ACP1 H S1 MIC X H S1 PHN X ACP1 ICS X ACP1 TX X ACP3 ACP3 POWER X H S3 MIC X H S3 PHN X...

Страница 11: ...ration manual DevCs Device Configuration Programmer window showing Alert 1 2 5 Accessories Required But Not Supplied Installation kit p n ERU50 IKC crimp is required to complete the installation The k...

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Страница 16: ...functional and operational procedures for the ERU50 001 Emergency Relay Unit 3 2 General Information The ERU50 is an Emergency Relay Unit for use with the Cobham Digital Audio Communication System DAC...

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