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24 208143 REV - Operations Manual, HPA3, Mini Compact Outdoor SSPA
3.1 Quick Start Cables
For convenience all units ship with a ‘Quick-Start’ communications cable. This allows the user
to immediately connect the amplifier to a PC and begin operation. Units ship with a Quick
Start cable fitted with a 10-base T connector as shown in Figure 3-5.
Figure 3-3: J4 Connections for RS-485 Communications
Chassis Ground
TX Enable
Interface Select 0
Interface Select 1
RS232/RS485 Select
Isolated Return for RS232/RS485
RS485 (RX-) RS232 (RX)
RS485 (TX-) RS232 (TX)
RS485 (TX+)
RS485 (RX+)
V
B
e
j
D
d
F
E
T
U
J4
Figure 3-4: J4 Connections for RS-232 Communications
Chassis Ground
TX Enable
Interface Select 0
Interface Select 1
RS232/RS485 Select
Isolated Return for RS232/RS485
RS232 (RX)
RS232 (TX)
V
B
e
j
D
d
F
E
J4
Figure 3-5: Ethernet Quick Start Cable, 207755 (Revision A and beyond)