Technical Manual
28
8.3 DC POWER and CONTROL Connector
DC voltage for the HDX-1100 is +18 to +32Vdc 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
Reserved
C
Audio 1 + input
S
Reserved
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 TX +
H
Audio 2 + input
X
*Ethernet TX -
J
Wayside Data TX
Y
*Ethernet RX +
K
Wayside Data RX Input
Z
*Ethernet RX -
L
Wayside GND
a
Reserved
M
Serial CTRL Input
b
–
DC Voltage in
N
Serial CTRL GND
c
–
DC Voltage in
*Used for firmware upgrade only
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 -
50
Ω
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