LLZ 421
Operation and Maintenance Installation
ILS 420
2−23Ed. 01.04
SOAC
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Mains connection and mains filter
BP Digital
BP−PS
BP MODPA
J1
J2
J3
J4
J5
J6
J7
J8
J9
J10
J11
J12
J13
J14
J15
J16
5V+15V−15V
+24V1
+24V2
+48V
GND
1
LCP/CT6
LCP/CT1
LCP/CT5
Modem1
Modem2
J1 J2
XMTR1
XMTR2
Phone1
Phone2
Jumper1
XA12
MAINPWR
MODIG3
MODDIG1 MODDIG2
ËËËËËËËËËËË
ËËËËËËËËËËË
ËËËËËËËËËËË
ËËËËËËËËËËË
ËËËËËËËËËËË
PIN diode Transfer Switch assembly
LVS
Relay
5V
DCC
CLRSBO
stby SBO
IN1
OUT
J10 J12
J11
J28
J7 J9
J8
J27
J4 J6
J5
J26
J1 J3
J2
J25
CLRCSB CRSSBO CRSCSB
IN2
IN1
OUT
IN2
IN1
OUT
IN2
IN1
OUT
IN2
stby CSB stby SBO stby CSB
TX2 TX1
F5
F4
J17
LCP/COM7
J18
J19
CABI/O
5V3
5V+15V−15V
5V+15V−15V
1
2
J31
* optional
Rear
Connector panel on top
RF/AF, Ext. Interfaces
Jumper1
1
8
16
9
Modem1_Audio_La
Modem1_Audio_Lb
Modem1_Tip (to J7/3, Phone1)
Modem1_Ring (to J7/4, Phone1)
Modem2_Audio_La
Modem2_Audio_Lb
Modem1_Tip
Modem1_Ring
Modem2_Tip
Modem2_Ring
Modem1_Tip
Modem1_Ring
Modem2_Tip
Modem2_Ring
Modem_2_Tip (to J10/3, Phone2)
Modem2_Ring (to J10/4, Phone2)
Definition of Jumper1 setting:
Example setting:
RJ11 connector J7, PHONE1 or to J12 on top
MODEM1 Audio lines fed through from/to
Connector PC/RS−232
J12
control line BCPS
via J16 of BP Digital.
BCPS
Control line
ground bolt (BSE)
−15 V
J10/7
outside or inside
J10/17 or 36
GND
+5 V
smoke or intrusion alarm
outside
J10/8 or 26
T
AD590
to measurement circuit
temperature
to INTFC/LCP
Connection example of external sensors
Fig. 2−22 Interface connections and back panel connector locations
Ed. 10.04
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