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2 Installing the MDW 9031/9031DCP Pocket Phone Installing Multiple Carriers
MDW 9031/9031DCP Wireless Pocket Phone Installation and Use
503-801-16646 Issue 3 October 1999
Multiple Carrier Mounting and Cabling Self-Test
To perform a multiple carrier mounting and cabling self-test:
1 Wait a few seconds after powering up the carriers, then verify that the red OUT
OF SYNC LEDs on all carriers are lit. This is normal when no radio modules
have yet been installed. The CONTROL/EXPANSION LEDs (Model 117A4
only) should also be lit and blinking:
~ Model 117A4 control carrier = green blinking
~ Model 117A4 expansion carrier(s) = green blinking
A Model 117A3 carrier has no CONTROL/EXPANSION LED, but the DIP
switch in Slot 4 of the carrier must be set correctly to either Control or Expansion.
2 The following illustration shows the correct LED status for a five-carrier
installation with no radio modules installed. This sample installation has four
117A4 carriers—one acting as the control carrier and the other three acting as
expansion carriers—and one 117A3 carrier acting as an expansion carrier.
1 2 3 4
6
4
T
RANS
T
ALK
21
O N
21
O N
5 1 2 3 4
6
4
T
RANS
T
ALK
21
O N
21
O N
5 1 2 3 4
6
4
T
RANS
T
ALK
21
O N
21
O N
5
CAUTION
U
S
E
O
N
L
Y
A
T
&
T
C
A
B
L
E
P
⁄
N
8
4
7
6
6
7
8
9
6
I
N
O
U
T
O
U
T
O
F
S
Y
N
C
Control
Carrier
Model
117A4
Model
117A4
Model
117A3
Model
117A4
Expansion
Carrier #1
Expansion
Carrier #2
1 2 3 4
6
4
T
RANS
T
ALK
21
O N
21
O N
5
Expansion
Carrier #3
M
N
N
O
E
A
P
T
R
H
A
N
H
A
P
T
E
R
G
R
R
E
P
R
A
C
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K
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P
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M
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X
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O
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P
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A
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A
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E
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G
R
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-
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E
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A
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E
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F
A
M
R
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L
A
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L
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E
P
R
A
C
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E
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O
K
L
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R
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M
I
P
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U
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X
E
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F
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R
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L
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L
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A
U
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I
O
N
U
S
E
O
N
L
Y
A
T
&
T
C
A
B
L
E
P
⁄
N
8
4
7
6
6
7
8
9
6
I
N
O
U
T
O
U
T
O
F
S
Y
N
C
C
O
N
T
R
O
L
/
E
X
P
A
N
S
I
O
N
C
A
U
T
I
O
N
U
S
E
O
N
L
Y
A
T
&
T
C
A
B
L
E
P
⁄
N
8
4
7
6
6
7
8
9
6
I
N
O
U
T
O
U
T
O
F
S
Y
N
C
C
O
N
T
R
O
L
/
E
X
P
A
N
S
I
O
N
C
A
U
T
I
O
N
U
S
E
O
N
L
Y
A
T
&
T
C
A
B
L
E
P
⁄
N
8
4
7
6
6
7
8
9
6
I
N
O
U
T
O
U
T
O
F
S
Y
N
C
C
O
N
T
R
O
L
/
E
X
P
A
N
S
I
O
N
(DIP switch
in Slot 4 set to
Expansion)
OUT OF SYNC (red)
CONTROL/
EXPANSION
OUT OF SYNC (red)
(green) CONTROL/
EXPANSION
OUT OF SYNC (red)
(green) CONTROL/
EXPANSION
OUT OF SYNC (red)
(green)
1 2 3
4
21
O N
Model
117A4
4
6
T
RANS
T
ALK
21
O N
5
Expansion
Carrier #4
M
N
N
O
E
A
P
T
R
H
A
N
H
A
P
T
E
R
G
R
R
E
P
R
A
C
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T
E
-
O
K
L
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R
E
M
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P
S
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M
R
E
P
R
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C
I
T
E
-
O
K
R
E
P
R
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C
I
T
E
-
O
K
X
E
R
T
F
A
M
R
U
K
L
A
R
I
E
N
L
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R
E
P
R
A
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E
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O
K
L
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R
E
M
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P
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M
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A
M
R
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K
L
A
R
I
E
N
L
O
C
A
U
T
I
O
N
U
S
E
O
N
L
Y
A
T
&
T
C
A
B
L
E
P
⁄
N
8
4
7
6
6
7
8
9
6
I
N
O
U
T
O
U
T
O
F
S
Y
N
C
C
O
N
T
R
O
L
/
E
X
P
A
N
S
I
O
N
CONTROL/
EXPANSION
OUT OF SYNC (red)
(green)