Thales 421 - Page 199

LLZ 421
Operation and Maintenance Repair
ILS 420
6−57Ed. 01.10
SOAC
Jumper POSITION DEFINITION REMARKS
Stby CSB
A2(GP only)
active GP only
JP44 1−2, 3−4
1−3, 2−4
15 dB attenuator bypassed
15 dB attenuator enabled
default setting
−
JP45 1−2, 3−4
1−3, 2−4
10 dB attenuator bypassed
10 dB attenuator enabled
default setting
−
JP46 1−2
2−4
active GP monitoring Stby CSB A2
all other GP and LLZ arrays
−
default setting LLZ
Stby CRS
CSB/CSBA1
JP2 1−2, 3−4
1−3, 2−4
15 dB attenuator bypassed
15 dB attenuator enabled
default setting
−
JP3 1−2, 3−4
1−3, 2−4
10 dB attenuator bypassed
10 dB attenuator enabled
default setting
−
StbyCRS
SBO/SBOA3
JP4 1−2, 3−4
1−3, 2−4
15 dB attenuator bypassed
15 dB attenuator enabled
default setting
−
JP5 1−2, 3−4
1−3, 2−4
10 dB attenuator bypassed
10 dB attenuator enabled
default setting
−
Stby CLR
CSB/CLR
JP26 1−2, 3−4
1−3, 2−4
15 dB attenuator bypassed
15 dB attenuator enabled
default setting
−
JP27 1−2, 3−4
1−3, 2−4
10 dB attenuator bypassed
10 dB attenuator enabled
default setting
−
Stby CLR
SBO (LLZ)
JP28 1−2, 3−4
1−3, 2−4
15 dB attenuator bypassed
15 dB attenuator enabled
default setting
−
JP29 1−2, 3−4
1−3, 2−4
10 dB attenuator bypassed
10 dB attenuator enabled
default setting
−
Switch
bank J19
1−2
3−4
5−6
7−8
9−10
11−12
13−14
15−16
open
open
open
open
set
open
open
open
Used to select processing mode of antenna
type:
GP−2F: standard M−Type
GP−2F: active M−Type (TSIS)
GP: sideband reference (B−Type)
GP: 0 reference (0−Type)
LLZ: localizer detector mode
LLZ: internal width
spare
spare
Depends on application:
default for GP−2F standard
default for GP−2F active
default for GP−1F B−type
default for GP−1F 0 reference
default LLZ
only for LPD antenna with CU
part no. 120631−0001
−
−
JP43,JP41 − optional use in GP systems only not applicable for LLZ
6 Stby and On−Air Combiner (SOAC) 120621−0001 (83138 27100) 3 of 3