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8.3 DC POWER and CONTROL Connector
DC voltage for the HDX-1100 is +10 Vdc to +32 Vdc with reverse voltage protection. Ensure
that the power being supplied matches the power required by the equipment.
I/O connector
26-Pin Male D connector
pin-outs are shown in the following table:
Power Connector
Pin
Description
Pin
Description
A
+DC Voltage in
P
Serial CTRL Output
B
+DC Voltage in
R
N/C
C
Audio 1 + input
S
N/C
D
Audio 1 - input
T
Reserved
E
Audio 1 Shield/GND
U
Reserved
F
Audio 2 Shield/GND
V
Reserved
G
Audio 2 + input
W
Ethernet RX +
H
Audio 2 - input
X
Ethernet RX -
J
Wayside Data Input
Y
Ethernet TX +
K
Wayside Data GND
Z
Ethernet TX -
L
N/C
a
Reserved
M
Serial CTRL Input
b
–
DC Voltage in
N
Serial CTRL GND
c
–
DC Voltage in
8.4 RF
OUT
Connector
The RF Output is a Type N female connector
with a 50 Ω characteristic impedance.
N Connector
Pin
Description
Center
RF Signal -
50Ω
Ring
Ground
8.5 Modulation
•
DVB-T (standard feature)
COFDM 2K CARRIER MODE PER ETSI EN 300 744
COFDM QPSK
COFDM 16QAM
COFDM 64QAM
•
RangeMaster
TM
(Optional feature)
Narrow Band SCM, programmable, 1
–
10 MHz bandwidth, QPSK only