e2v Stellar N6312C - Appendix A

APPENDIX A
Dual Amplifier Redundant Configuration using N6143 Controller
If the requirement is for a two-amplifier redundant system, the following wiring can be used.
A personal computer can be used in place of the N6143 controller; commands and protocols
are detailed in this manual.
A
F
G H
J
K
L
M
N
P
R S
T
U
V
W
X Y
Z
a
b
c
d
e
f
g h
j
k
m
n p q
r
s
t
INV RF INHIB
GND
EXT INTLK
RS Tx +
RS Rx +
RS Tx 7
RS Rx 7
RED FLT O/P
RED SW2
RS GND
SWITCH SENSE
RED SW1
RED FLT I/P
N.C.
SERIAL BUS
SERIAL BUS
H
P
R S
U
b
c
d
e
m
n
k
t
q
B
1
2 4
3
HPA ‘A’
W/G SWITCH
HPA ‘A’
HPA ‘B’
9 6 5 4 3 1
Rx7 RS485 0V RTN SCREEN Rx+ Tx7
Rx+ to Rx7 TERMINATING RESISTOR FITTED INTERNALLY
Tx+
9-WAY ‘D’ TYPE ‘PL1’
N6143 CONTROLLER CONNECTIONS
ADDRESS SELECT (31 H) (+15V) (RED SW2) (RED SW1)
p
LOADANTENNA
HPA ‘B’
120R
1
/
4
W
120R
1
/
4
W
NOTE : TERMINATING RESISTORS 120R + 1%,
1
/
4
W CARBON FILM
(SHOWN USING
AST.75/24
TYPE SWITCH)
E
F
ACD
120R 1
/
4
W
HBN63xx-1, Issue 8, Page 45