PTX-PRO Specifications A-3
PTX-PRO User and Technical Manual
DC Power Cable Assembly
A prefabricated DC Power Cable
Assembly is available from MRC to
connect the PTX-PRO
PWR
connector
to a DC power source.
The DC Power Cable Assembly is 10 ft.
(3 m) long. The DC Power Cable
Assembly comes with a power connector
on one end only. The following figure
shows the wiring diagram of the DC
Power Cable Assembly.
A.3 Audio Connections
The PTX-PRO can provide analog or digital audio inputs. All audio inputs are available at either
the front or rear panel audio
connectors.
A.3.1
Front Panel Audio Connections
Front panel
AUDIO 1/L1
and
AUDIO 2 XLR/R1
connectors are used for MPEG Audio A inputs
or analog subcarriers 1 and 2. Connector pin-outs are shown in the following table.
Connector
Information
Pin-Out
Signal Description
1
Ground
2
Live (+)
3
Return (–)
Black
Red
C
A
L
E
F
B
D
G
H
J
K
M
NC
DC Negative
DC Positive
1
2
3