Title
SCALE
SIZE
Sheet
DRAWN
CHECKED
ENG. APP.
Revision:
DO NOT COPY NOR
DISCLOSE TO ANY
THIRD PARTY
WITHOUT WRITTEN
CONSENT
of
1
IRT Electronics Pty. Ltd.
Drawing No.
COPYRIGHT
ARTARMON NSW AUSTRALIA 2064
A3
N.T.S.
1
RWT-3810
804586
Date:
1
6-May-2002
K.N.
1 01-02-02
ALARM
Laser RF
Laser circuit
Laser
J2 optional power in
(used when fitted to FRU-1030 frame)
1
2
3
J2
SK1
AC 1
AC 4
AC 2
AC 3
Power Supply Circuit
Power
3
1
2
LK3
'DC'
grn
1
2
R71
680R
2
1
LD1
+12V
n.c.
n.o.
1
3
2
D12
BZX84C12
-5V
1A
1B
2A
2B
3A
3B
4A
4B
5A
6A
6B
7A
7B
8A
8B
10A
10B
5B
11A
11B
12A
12B
13A
13B
14A
15A
15B
17A
17B
18A
18B
9A
9B
20A
20B
14B
21A
21B
22A
22B
23A
24B
24A
25B
26A
27A
27B
28A
23B
19A
19B
30A
30B
26B
31A
31B
32A
32B
25A
16A
16B
28B
29A
29B
P1
DIN64RA
1
2
C38
100nF
+12V
Laser RF
RF Input
RF Mon.
Pilot
Pilot Present
LNB Power
RF circuit
RF
Pilot
Pilot Present
Pilot Generator
Pilot
SK2
RF IN
RF MON.
L-Band Fibre Optic Tx.
1
2
J3
LASER
PILOT
GAIN
MON.
DC
2
1
LK2
1A
1B
2A
2B
3A
3B
4A
4B
5A
6A
6B
7A
7B
8A
8B
10A
10B
5B
11A
11B
12A
12B
13A
13B
14A
15A
15B
17A
17B
18A
18B
9A
9B
20A
20B
14B
21A
21B
22A
22B
23A
24B
24A
25B
26A
27A
27B
28A
23B
19A
19B
30A
30B
26B
31A
31B
32A
32B
25A
16A
16B
28B
29A
29B
J1
DIN64
2
1
D13
LS4148
1
2
SK3
LNB DC INPUT
Alarm Logic
Rear Panel
Alarm Relay Contacts
1
3
2
D8
BAT54
Rear Panel
Front Panel
'Laser On'
grn
1
2
R69 680R
+12V
red
'Alarm'
1
3
2
LD3
L-3WEGW
1
2
R68 10K
1
2
R70 10K
red
grn
1
2
3
com.
1
3
2
Q13
BC846
1
3
2
Q12
BC846
3
2
1
Q11
BSS123
1
12
RL1A
FBR46ND012
7
8
10
RL1C
3
1
2
LK4
n.c.
n.o.
6
5
3
RL1B
'Pilot On'
grn
1
2
R66 680R
+12V
red
'Alarm'
1
3
2
LD2
L-3WEGW
1
2
R65 10K
1
2
R67 10K
red
grn
1
2
3
com.
1
3
2
Q10
BC846
1
3
2
Q9
BC846
3
2
1
Q8
BSS123
1
2
3
SK4
2
1
LK5
1
2
C70
0.1uF
2
1
D10
LS4148
2
1
D9
LS4148
1
3
2
D7
BAT54
1
3
2
Q4
BC846
1
2
R33 10K
+12V
(1B)
(Y2)
(L4)
(L4)
IRT
Communications
www.irtcommunications.com
