5 USER INTERFACES
The amplifier is provided with two interfaces that are used to control the amplifier:
the user port and the serial communications interface (RS-485). All interfaces are
available on the 41-pin control connector, located next to the mains supply
connector. This section identifies each control connector pin and describes the
function of each pin, including the electrical specification.
5.1 Pin Identification
Code Function User interface
pin identification
OFF IND off indicator output A
WARMUP IND warm-up indicator output B
STBY IND standby indicator output C
XMIT IND transmit indicator output D
SUM FLT IND summary fault indicator output E
spare F
RF INHIB RF inhibit control input G
INV RF INHIB inverted RF inhibit control input H
OFF off control input J
STBY standby control input K
XMIT transmit control input L
spare M
FWD PW MON forward power monitor analogue output N
GND ground P
EXT INTLK external interlock input R
ADD 0 address select 0 S
ADD 1 address select 1 T
+15 V +15 V output U
ADD SEL address select V
CTRL O/R control override select W
MUX 0 multiplexed fault line 1 indicator output X
MUX 1 multiplexed fault line 2 indicator output Y
MUX 2 multiplexed fault line 3 indicator output Z
MUX 3 multiplexed fault line 4 indicator output a
RS TX+ serial interface Tx+ b
RS TX7 serial interface Tx7 c
RS RX+ serial interface Rx+ d
HBN63xx-1, Issue 8, Page 20
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