AEQ DIGITAL COMMENTARY UNIT Customer's Manual page 49

• FUSE: A fuseholder with a slow-blow 1 Amp fuse is fitted for the prevention
of short-circuits in the remote power supply to the associated CU. Any error
in the polarity of the cable fitted with the RJ 45 connector which powers each
CU, will not cause any problems, the error will be corrected automatically.
• TO COMM UNIT: A data cable with an RJ 45 connector for the connection of
a CCU with its associated CU is available.. The cable to be used will be of
AWG24, STP or FTP category 5 type with 4 twisted pairs. This conection will
include, at both sides, a ground shield. The male connector will be a RJ-45
type, shielded, AMP-5-569530-4 or similar. If a female-female extension is
used, this one will grant the ground electrical continuity (shield). With the
described cable, a length of 300 m. can be fitted.
RJ45 MALE CONNECTOR
FRONT VIEW
Wire Number Pair Number/Colour
1 1 Green White
2 2 Orange White
3 3 Blue White
4 4 Brown White
5 4 Brown
6 3 Blue
7 2 Orange
8 1 Green
The wiring connections between the CCU and each of the
CUs should be made without crossing the wires, they are
connected to the same RJ 45 pin positions. The signals
carried by each wire are as follows:
Digital Commentary System
-49-
CU Connection
DC mains 48V +
Auxiliar line wire1
Tx V+
Rx V+
Rx V-
Tx V-
Auxiliar line wire 2
DC mains 48 V-
CCU Connection
DC mains 48 V+
Auxiliar line wire1
Rx V+
Tx V+
Tx V-
Rx V-
Auxiliar line wire 2
DC mains 48 V-