Specifications, Troubleshooting considerations – XM Satellite Radio SRXM-001 User Manual
Page 10
128-6210
10 of 12
Specifications
GENERAL
Power Source
12 Vdc, Negative Ground
Max. Current Consumption
2.0 A
Dimensions:
Satellite Control Unit (SCU) 170mmW x 114.9mm D x 26.2mmH
(6.7”) x (4.5”)
x (1.03”)
Radio Receiver Unit (RRU) 133mmW x 21.0mm D x 47.5mmH
(5.24”) x (0.83”) x (1.87”)
RF Modulator
94.9mmW x 3.15mm D x 26mm H
(3.7”) x (3.15”) x (1.02”)
Weight:
Satellite Control Unit (SCU) 9.5 Oz (0.269Kg)
Radio Receiver Unit (RRU)
23.0 Oz (0.652Kg)
RF Modulator
6.5 Oz (0.184Kg)
RRU
Frequency Range
2,332.50 - 2,345.00MHz
Usable Sensitivity:
Satellite
-94.0 dBm
Terrestrial
-90.0 dBm
AUDIO
Signal-to-Noise Ratio
92 dB (IHF-A Network)
Separation
75 dB
RF Modulator
Usable Frequencies
88.1MHz, 88.3MHz, 88.5MHz,
88.7MHz, 88.9MHz, 89.1MHz,
89.3MHz
10
Troubleshooting Considerations
Troubleshooting Considerations
The following table presents a few possible causes of system operating
faults, their probable causes and the remedial action suggested to re-
store the system to normal operating conditions.
T
L
U
A
F
E
S
U
A
C
E
L
B
A
B
O
R
P
N
O
I
T
C
A
E
V
I
T
C
E
R
R
O
C
s
e
o
D
U
C
S
n
O
n
r
u
T
t
o
n
d
e
t
c
e
n
n
o
c
t
o
n
e
l
b
a
c
r
e
w
o
p
,
e
s
u
f
n
w
o
l
B
M
F
o
t
d
e
t
c
e
n
n
o
c
t
o
n
U
C
S
r
o
/
d
n
a
,
y
lt
c
e
r
r
o
c
.r
o
t
a
l
u
d
o
M
.
s
e
s
u
f
k
c
e
h
C
.
1
.
e
l
b
a
c
r
e
w
o
p
k
c
e
h
C
.
2
n
o
it
c
e
n
n
o
c
e
l
b
a
c
N
I
D
k
c
e
h
C
.
3
.r
o
t
a
l
u
d
o
M
M
F
d
n
a
U
C
S
n
e
e
w
t
e
b
k
c
e
h
C
a
n
n
e
t
n
A
y
a
l
p
s
i
D
e
g
a
s
s
e
M
.
d
e
t
c
e
n
n
o
c
t
o
n
s
i
a
n
n
e
t
n
A
e
ti
ll
e
t
a
S
e
h
T
.
U
R
R
e
h
t
o
t
s
n
o
it
c
e
n
n
o
c
a
n
n
e
t
n
a
k
c
e
h
C
s
i
e
l
b
a
c
a
n
n
e
t
n
a
e
h
t
r
o
fl
e
s
ti
a
n
n
e
t
n
a
e
h
T
.
y
tl
u
a
f
.r
o
d
n
e
v
r
o
r
e
ll
a
t
s
n
i
m
e
t
s
y
s
t
c
a
t
n
o
C
c
it
a
t
S
o
i
d
u
A
f
o
s
s
o
L
r
o
y
ti
r
a
l
C
s
n
i
a
t
n
o
c
e
s
u
n
i
y
c
n
e
u
q
e
rf
r
o
t
a
l
u
d
o
M
M
F
.
c
it
a
t
s
.
y
c
n
e
u
q
e
rf
M
F
r
e
h
t
o
n
a
o
t
o
i
d
a
r
h
c
ti
w
S
o
t
d
e
t
c
e
n
n
o
c
t
o
n
e
l
b
a
c
a
n
n
e
t
n
a
e
l
c
i
h
e
V
.
o
i
d
a
r
e
l
c
i
h
e
v
r
o
r
o
t
a
l
u
d
o
M
M
F
.
e
l
b
a
c
a
n
n
e
t
n
a
k
c
e
h
C
r
o
l
a
n
g
i
S
o
N
n
o
y
a
l
p
s
i
D
U
C
S
d
n
u
o
r
a
r
o
r
e
v
o
s
e
l
c
a
t
s
b
o
r
o
f
k
c
e
h
C
.
a
n
n
e
t
n
a
e
t
a
n
i
m
il
e
o
t
n
o
it
a
c
o
l
r
u
o
y
e
g
n
a
h
C
.)
.
c
t
e
,
s
l
e
n
n
u
t
,
s
e
g
d
ir
b
(
s
e
l
c
a
t
s
b
o
y
b
r
a
e
n
d
n
u
o
S
o
N
.
d
e
t
c
e
n
n
o
c
t
o
n
s
e
l
b
a
c
o
i
d
u
A
.
1
.
n
o
it
c
e
n
n
o
c
a
n
n
e
t
n
a
r
o
t
a
l
u
d
o
M
M
F
.
2
M
F
r
e
p
o
r
p
o
t
d
e
n
u
t
t
o
n
o
i
d
a
R
.
3
.
y
c
n
e
u
q
e
rf
r
o
t
a
l
u
d
o
M
.
U
C
S
n
o
d
e
t
c
e
l
e
s
e
d
o
m
e
t
u
M
.
4
M
F
d
n
a
U
R
R
t
a
s
e
l
b
a
c
o
i
d
u
a
k
c
e
h
C
.
1
.r
o
t
a
l
u
d
o
M
s
n
o
it
c
e
n
n
o
c
e
l
b
a
c
a
n
n
e
t
n
a
F
R
k
c
e
h
C
.
2
d
n
a
r
o
t
a
l
u
d
o
M
M
F
n
e
e
w
t
e
b
.
a
n
n
e
t
n
a
o
i
d
a
r/
e
l
c
i
h
e
v
.
y
c
n
e
u
q
e
rf
r
e
p
o
r
p
o
t
o
i
d
a
r
e
n
u
T
.
3
.
U
C
S
t
a
e
d
o
m
e
t
u
M
e
t
a
v
it
c
a
e
D
.
4