ERU50-001 Emergency Relay Unit
SM83 Installation and Operation Manual
Installation and Operation Manual
Issue 1.01
Page 2-5
CONFIDENTIAL AND PROPRIETARY TO COBHAM
2.4.7
Alert Configuration
When used as part of a Cobham Digital Audio Communications System (DACS), the ERU50 J1001 pin
25 (ERU STATUS OUT) is connected to AMU50 J103 pin 47 (ALERT 1). See Interconnect
ERU50\001\403-0 Note 6.
This alert must be configured through the Device Configuration Software (DevCs) to be Activation Low,
as shown below. For full information refer to the DevCs Installation and Operation 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 kit consists of the
following:
Quantity
Description
NAT Part No.
1
D-Sub, MIL Spec., 37 Socket, Crimp Housing
20-21-370
37
MS Crimp Socket
20-26-901
1
Hoods, D-Sub, Metal
20-28-037
1
Tag Ring, Shield Termination
20-30-416
2.6
Installation Drawings
DOCUMENT
REV.
DESCRIPTION
TYPE
SERIAL NO.
ERU50\001\403-0
1.00
Emergency Relay Unit
Interconnect
(2 sheets)
All
ERU50\001\405-0
1.00
Emergency Relay Unit
Connector Map
All
ERU50\001\922-0
1.01
Emergency Relay Unit
Mechanical Installation
All
Section 2 ends following the above documents
Alert 1 configured to Active Low
