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58 205486 REV F Operations Manual, HPA2, Compact Outdoor SSPA
Figure 7-19: 1:1 Redundant System with RS485 Half Duplex Communication
&
CONTROL
MONITOR
J4
J3
OUTPUT SAMPLE
J3
OUTPUT SAMPLE
A
B
F
A
B
F
LINK
LINK
J5
J5
A
B
C
D
E
F
1
2
4
3
SSPA 1
SSPA 2
EC
C
E
F
F
RF OUTPUT
SWITCH
&
CONTROL
MONITOR
J4
LINK
CABLE
SWITCH CABLE
TE UF
TX +
TX -
RX +
RX -
TE UF
TX +
TX -
RX +
RX -
+
-
SWITCH
J6
A2 (J6)
A1 (J6)
SWITCH
J6