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Switch Functions
SWITCH
NAME
SW1
RXSPEED
TXSPEED
PARITY
BIT32N
SD10
nMR
SW2
LABEL 0:7
SW3
FILT 0:7
Connector Functions
CONNECTOR
NAME
J1
J2
J5
QSG-8476-Repeater_A
DEFAULT
ON
ON
OFF
OFF
SDE
OFF
SD9
OFF
OFF
OFF
All OFF
All OFF
PIN
GND
1
TXB
2
TXA
3
GND
1
RXA
2
RXB
3
GND
1
+28V
2
HOLT INTEGRATED CIRCUITS
DESCRIPTION
Receive ARINC 429 speed ON = High, OFF = Low
Transmit ARINC 429 speed ON = High, OFF = Low
HI-8476 Parity Checking ON = Enable, OFF = Disable
Use HI-8476 Parity bit to disable HI-8470 transmission
SD bit filtering enable ON = Enabled
SD9 filtering enable ON = Enabled
SD10 filtering enable ON = Enabled
Master Reset ON = Reset
ARINC 429 label bits 0:7.
ON = '1' , OFF = '0'
Sets ARINC 429 message filter bits.
ON = '1' , OFF = '0'
DESCRIPTION
GND
TXB ARINC negative output
TXA ARINC positive output
GND
RXA ARINC negative input
RXB ARINC positive input
GND
+28V, 28VDC converter supply (link J6)
4
10/25/18
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