Thales 421 - Page 195

LLZ 421
Operation and Maintenance Repair
ILS 420
6−53Ed. 01.10
SOAC
JUMPER POSITION DEFINITION REMARKS
X38,39
X9,11...14
X8/X37
open
1−2
not used
serial port5 set to RS232
−
Port 5 (COM5)
−
X38,39
X9,11...14
X8
X37
open
2−3
2−3
open
serial port5 set to RS422
full duplex
−
default setting
−
X38,39
X9,11...14
X8
X37
set
2−3
1−2
set
serial port5 set to RS485
half duplex
adds 100  termination
default; signal RTS controls
TX enable in UART mode
X33
X34
open
set
set
open
serial port1 set to RS232,
interrupt path
not used
serial port5 set to RS232,
RS422/485, interrupt path
for ext. device test
IRQ14 passed to CPU
−
IRQ6 passed to CPU
−
X35 set
open
watch dog on
watch dog off
if enabled by software
−
X36 set
open
battery backup enabled
battery backup disabled
used for RTC on CPU
RTC not buffered
S1
S1/8
S1/7
S1/6
S1/5
S1/1 to 4
on
off
on
off
on
off
on
off
off
input register 6 Bit 4...7:
Bit 4 to GND
−
Bit 5 to GND
−
Bit 6 to GND
−
Bit 7 to GND
−
IN0...IN3
(optional assembly)
Bypass not auto−disabled
default setting
not used
default setting
not used
TX1 ON, Status
not used
TX2 ON, Status
always off, on not allowed
LCI rear
X5
X6
X7
X8
X9
1−2
2−3
1−2
2−3
1−2
2−3
1−2
2−3
1−2
2−3
Font select: 40 characters
Font select: 30 characters
Font select: per HW (X5)
Font select: per SW
Display always on
Display off/on per SW
spare
not used
Buzzer on
Buzzer off
default setting
−
default setting
−
default setting
−
default setting
−
default setting
−
4 Local Control Panel (LCP: LC−CPU/LCI) 83135 21402 / 83135 21301 3 of 3