Thales 421 - Page 198

LLZ 421
Repair Operation and Maintenance
ILS 420
6−56 Ed. 01.10SOAC
Jumper POSITION DEFINITION REMARKS
A2 path (GP) Glide Path only
JP12 1−2, 3−4
1−3, 2−4
10 dB attenuator bypassed
10 dB attenuator enabled
default setting
−
JP13 1−2, 3−4
1−3, 2−4
10 dB attenuator bypassed
10 dB attenuator enabled
default setting
−
JP14,JP15
JP14,JP15
1−2, 3−4
1−3, 2−4
+15 dB gain amplifier enabled,
−5 dB attenuator disabled
+15 dB gain amplifier bypassed,
−5 dB attenuator enabled
−
default setting
CRS Width/A3
JP11 1−2, 3−4
1−3, 2−4
portion of A3 RF input available
portion of A3 RF not available
used for GP applications
default setting LLZ
JP7 1−2, 3−4
1−3, 2−4
10 dB attenuator bypassed
10 dB attenuator enabled
default setting
−
JP8 1−2, 3−4
1−3, 2−4
10 dB attenuator bypassed
10 dB attenuator enabled
default setting
−
JP9,JP10
JP9,JP10
1−2, 3−4
1−3, 2−4
+15 dB gain amplifier enabled,
−5 dB attenuator disabled
+15 dB gain amplifier bypassed,
−5 dB attenuator enabled
−
default setting
CLR Width (2)
(LLZ)
JP31 1−2, 3−4
1−3, 2−4
GP A1 RF monit.
LLZ CLR Width (2) monit. input
used for GP applications
default setting LLZ
JP32 1−2, 3−4
1−3, 2−4
10 dB attenuator bypassed
10 dB attenuator enabled
default setting
−
JP33 1−2, 3−4
1−3, 2−4
10 dB attenuator bypassed
10 dB attenuator enabled
default setting
−
JP34,JP35
JP34,JP35
1−2, 3−4
1−3, 2−4
+15 dB gain amplifier enabled,
−5 dB attenuator disabled
+15 dB gain amplifier bypassed,
−5 dB attenuator enabled
−
default setting
CLRWidth (1)
JP36 1−2, 3−4
1−3, 2−4
GP A3 CLR monit.
LLZ CLR Width (1) monit. input
used for GP applications
default setting LLZ
JP37 1−2, 3−4
1−3, 2−4
10 dB attenuator bypassed
10 dB attenuator enabled
default setting
−
JP38 1−2, 3−4
1−3, 2−4
10 dB attenuator bypassed
10 dB attenuator enabled
default setting
−
JP39,JP40
JP39,JP40
1−2, 3−4
1−3, 2−4
+15 dB gain amplifier enabled,
−5 dB attenuator disabled
+15 dB gain amplifier bypassed,
−5 dB attenuator enabled
−
default setting
6 Stby and On−Air Combiner (SOAC) 120621−0001 (83138 27100) 2 of 3