Paradise 205486 REV F - Manual (Page 28)

28 208495 REV C Operations Manual, HPA2, Compact Outdoor SSPA
3.0.2 Legacy Compact Outdoor SSPAs
Compact Outdoor SSPAs with serial numbers of less than 300,000 did not include isolated
grounds for RS-232/RS-485 serial communications. The remote communication connections
are slightly different and outlined in Figures 3-4 and 3-5.
Figure 3-2: J4 Connections for RS-485 Communications
Chassis Ground
TX Enable
Baud Select 0
Baud Select 1
RS232/RS485 Select
Isolated Return for RS232/RS485
RS485 (RX-) RS232 (RX)
RS485 (TX-) RS232 (TX)
RS485 (TX+)
RS485 (RX+)
V
B
j
e
D
d
F
E
T
U
J4
Figure 3-3: J4 Connections for RS-232 Communications
Chassis Ground
TX Enable
Baud Select 0
Baud Select 1
RS232/RS485 Select
Isolated Return for RS232/RS485
RS232 (RX)
RS232 (TX)
V
B
j
e
D
d
F
E
J4
Figure 3-4: J4 Connections for RS-485 Communications for Serial Numbers <300,000
Chassis Ground
TX Enable
RS232/RS485 Select
Baud Select 0
Baud Select 1
Chassis Ground
RS485 (RX-) RS232 (RX)
RS485 (TX-) RS232 (TX)
RS485 (TX+)
RS485 (RX+)
9600 BAUD Selection shown
V
B
D
j
e
d
F
E
T
U
J4