ERU50-001 Emergency Relay Unit
SM83 Installation and Operation Manual
Installation and Operation Manual
Issue 1.01
Page 2-4
CONFIDENTIAL AND PROPRIETARY TO COBHAM
2.4.6
Minimum Performance Requirements
Refer to Section 2.4.5 Functional Requirements. Electrical continuity in both default and switched modes
is shown in the tables below:
AMU50 Connections
A
M
U
U
S
E
R
1
M
IC
A
M
U
U
S
E
R
1
P
H
N
A
M
U
U
S
E
R
1
I
C
S
K
E
Y
A
M
U
U
S
E
R
1
T
X
K
E
Y
A
M
U
A
C
P
3
P
O
W
E
R
A
M
U
U
S
E
R
3
M
IC
A
M
U
U
S
E
R
3
P
H
N
A
M
U
U
S
E
R
3
I
C
S
K
E
Y
A
M
U
U
S
E
R
3
T
X
K
E
Y
E
R
U
S
T
A
T
U
S
I
N
(
T
o
A
le
rt
)
A
C
P
1
H/S1 MIC
X
H/S1 PHN
X
ACP1 ICS
X
ACP1 TX
X
A
C
P
3
ACP3 POWER
X
H/S3 MIC
X
H/S3 PHN
X
ACP3 ICS
X
ACP3 TX
X
ERU STATUS OUT
(To Ground)
Table 2 - Default Mode
AMU50 Connections
A
M
U
U
S
E
R
1
M
IC
A
M
U
U
S
E
R
1
P
H
N
A
M
U
U
S
E
R
1
I
C
S
K
E
Y
A
M
U
U
S
E
R
1
T
X
K
E
Y
A
M
U
A
C
P
3
P
O
W
E
R
A
M
U
U
S
E
R
3
M
IC
A
M
U
U
S
E
R
3
P
H
N
A
M
U
U
S
E
R
3
I
C
S
K
E
Y
A
M
U
U
S
E
R
3
T
X
K
E
Y
E
R
U
S
T
A
T
U
S
I
N
(
T
o
A
le
rt
)
A
C
P
1
H/S1 MIC
X
H/S1 PHN
X
ACP1 ICS
X
ACP1 TX
X
A
C
P
3
ACP3 POWER
H/S3 MIC
X
H/S3 PHN
X
ACP3 ICS
X
ACP3 TX
X
ERU STATUS OUT
(To Ground)
X
Table 3 - Switched Mode