EMS Technologies Canada Ltd. HSD-X ユーザーズマニュアル
Page 1–43
18 September 2007
SYSTEM DESCRIPTION, INSTALLATION, AND MAINTENANCE MANUAL
eNfusion™ HSD-128 High-speed Data Terminal
Figure 1–13. Combined/Selective Mode System Block Diagram
HP
A
(60
W
)
Ch
annel
Ca
rd
2
Ch
anne
l
Ca
rd
1
D
a
ta
I
/O
Card
ont
rol
C
a
rd
D/
LNA
AC
U
SD
U
A
R
INC
74
1
A
n
te
nna
Sp
litt
er
S
pl
itte
r
TX
R
X
R
X
TX
R
F
U
RX
RF
U
T
X
O
sci
lla
to
r
10 M
h
z
F
ro
nt
P
ane
l D
B
25S
LE
D
s
Re
se
t
M
ai
nt
ena
nc
e P
or
t
MPDS (1
)
Circuit
S
witc
hed (
ISDN 2
)
Circuit
S
witc
hed (
ISDN 1
)
RX
TX
Tx
/R
x
B
ond
(RS
422)
RS
23
2
MP
D
S
65 dB
G
a
in
NO
T
E
S
:
1.
A
n
te
n
n
a i
s co
n
tro
lle
d
b
y H
o
n
eyw
el
l S
D
U
M
u
lti-
Co
n
tr
o
l
Po
w
e
r
S
uppl
y
28
V
d
c
o
r
115 V
ac,
40
0 H
z
AE
R
O
-H
R
F
U
AC
U
B
IT
E
/H
PA
M
U
T
E
MP
D
S
O
X
O
R
ead
y
Si
g
n
al
s
RF
LE
G
E
ND
o
w
e
r/
Cont
rol
& BIT
E
ow
e
r/
ont
rol
& B
IT
E
F
ro
nt
P
ane
l LE
D
s
10 Ba
se
T
(F
utur
e)
R
F
M
odul
e
R
S
232
Re
m
ot
es
MPDS (2
)
ARI
N
HPA BI
T
E
IS
DN
(1
)
IS
DN
(
2)
A
R
INC M
ulti-Co
nt
ro
l (L
is
te
n
On
ly
)
RS
23
2
RS
23
2
RS
23
2
ARI
N
4
29
HS
D TRA
N
SC
EI
V
E
R
C
O
M
B
IN
ED
M
O
D
E