Comtech EF Data SMS-458B - Manual (Page 106)

SMS-458B Modem Protection Switch Revision 2
Cable Configuration MN/SMS458B.IOM
A–10
D
A
T A
I/O
J
8
Rem
o
te
J6
PRI
M
E
4
Tx
-I
F
CP
1
SMS-
45
8
(J
3
)
SM
S-458
(J21
)
AS/
2
086 D
(J6
)
J1
T
x
D
a
ta
J2
R
x
Da
ta
J
3
Ba
ck
-U
p Mo
de
m
-----
--
--
------------
BkUp
Mo
dem
BKUP (
J
8)
SMS-
4
58 Sw
it
ch
J
3
E
IA
-48
5 M
o
dem
C
o
n
tr
o
l
J18
(1)
PR
IM M
o
du
la
to
r In
put
J19
(2) PR
IM
M
o
du
la
to
r
In
put
J20
(3)
PR
IM M
o
du
la
to
r In
put
J21
(4)
PR
IM M
o
du
la
to
r In
put
J
2
6
(1) B
KUP Mo
du
lator
In
put
J
3
9
G
N
D
ERDE
PRIM
E1 (
C
P1)
PRI
M
E1-4 an
d
BKUP
(J1)
PRIM
E2 (
C
P1)
PRIM
E3 (
C
P1)
PRIM
E4 (
C
P1)
BKUP (
C
P1)
CA/0
755
CA/6
697-1
C
A
/0
813-4
J3
T
x
D
a
ta
J4
R
x
Da
ta
J6
Prime M
o
d
e
m
J5
T
e
rr
Da
ta
AS/
2
0
68 (
D
)
PRIME4
(J8)
Fr
om
Cust
omer
Fr
om
C
u
s
to
m
e
r’
s
Eq
ui
pm
e
n
t
PRI
M
E
2
Tx
-I
F
CP
1
SMS-
45
8
(J
3
)
SM
S-458
(J19
)
AS/2
086 B
(J6
)
DA
T A
I
/O
J
8
Remot
e
J
6 PRI
M
E
3
Tx
-I
F
CP
1
SMS-
45
8
(J
3
)
SM
S-458
(J20
)
AS/2
086 C
(J6
)
D
A
T
A
I/
O
J8
Re
mo
te
J 6 BKUP
Tx
-I
F
CP
1
SMS-
45
8
(J
3
)
SM
S-458
(J26
)
BkU
p
(
J
3
)
D
A
T A
I/O
J
8
Rem
o
te
J6
J3
T
x
D
a
ta
J4
R
x
Da
ta
J6
Prime M
o
d
e
m
AS/
2
0
68 (
C
)
PRIM
E3 (J8)
Fr
om
Cust
omer
J5
T
e
rr D
a
ta
J3
T
x
D
a
ta
J4
R
x
Da
ta
J6
Pri
m
e Mod
e
m
AS/
2
0
68 (
A
)
PRIM
E1 (J8)
Fr
om
Cust
omer
J5
T
e
rr D
a
ta
J3
T
x
D
a
ta
J4
R
x
Da
ta
J6
Prime M
o
d
e
m
AS/
2
0
68 (
B
)
PRIM
E2 (J8)
Fr
om
Cust
omer
J5
T
e
rr D
a
ta
PRI
M
E
1
Remot
e
J
6
Tx
-I
F
CP
1
SMS-
45
8
(J
3
)
SM
S-458
(J18
)
AS/2
086 A
(J6
)
DA
T A
I
/O
J
8
J6 R
E
M
O
T
E
J8 DA
T
A
I/O
CP
1
S
D
M-
900
0 PRIME
1-4 a
n
d
Ba
ck
up
(A
)
(B)
(C
)
(D)
J3
J4
J6
J
3
J4
J6
J3
J4
J6
J1
J
2
J3
J3
J4
J
6
J2
J18
J19
J2
0
J21
J39
J26
BkUp Mo
dem
Figure A-5. SMS-458B Installation Diagram for SDM-9000 Satellite Modem with G.703 Interface