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Pin Number
4 and 5
6
7 and 8
CAUTION
To fully comply with applicable Electromagnetic Compatibility (EMC) standards, high
quality shielded twisted pair cable must be used.
RS-232 Interface Cabling
Item
Connector type
Cable type
RS-232 Interface Connector Pin Out
Pin Number
2
3
5
1, 4, 6, 7, 8, 9
RF Cabling
Item
Connector type
Cable type
DTI Client RJ45 Interconnect Scheme
RJ45 Pin Number
1
2
3,4,5,6,7,8
Appendix A • Cabling Specifications
APEX1000 All-Purpose Edge QAM Software Version 2.4.x • Installation and Operation Manual
573408-001-a
Signal
RX–
Specification
DB9 male shielded connector with screw locks
9 conductor shielded
Signal
TX
RX
Ground
Specification
F type
CommScope F59 HEC T/CU Headend Cable or equivalent 75 Ohm 100%
shielded coax cable
Signal
SIG+
SIG+
NC
Direction
in
Direction
Out
In
Ground
B
Description
no connection
receive data –
no connection
Description
Transmit data
Receive data
Ground
Not connected
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