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.
4
DDA-3010
804823
Date:
A
29-Jan-2004
155/140 Mb/s Distribution Amplifier
K.N.
Output 1
Output 2
Output 4
Output 3
SD
SD
Output 5
MON
Output 6
Output Driver circuit
804823s3.sch
AC 1
AC 4
AC 2
AC 3
Power Supply circuit
804823s4.sch
3
1
2
LK1
'DC'
'grn'
2
1
R56
680R
n.c.
n.o.
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
2
1
LD1
HLMP-1503
PCB 804824
2
1
R54
10K
+5V
+5V
'SIGNAL'
'grn'
2
1
R59
680R
2
1
LD4
HLMP-1503
ALARM CIRCUITS
CONTACT CLOSURE (OR BREAK)
TO GROUND ON ALARM, AS SET BY LK1,LK2
1
2
C36
1uF
R2R-R7R = 68R
L2R-L7R = 18nH
3
8
RL1A
V23026
10
1
5
RL1B
1 26-08-2003
+5V
Input
CD
SD
SD
RATE
Input Equaliser and Reclocking circuit
804823s2.sch
1
2
C35
100nF
1
2
F5
RXE020
POLYFUSE
+5V
1
2
C42
10nF
1
2
C43
10nF
2
1
R55
N/C
1
2
L3
0R0
1
2
J2
BNC
'155 Mb/s'
'grn'
2
1
R58
680R
2
1
LD3
HLMP-1503
+5V
'140 Mb/s'
'yell'
2
1
R57
680R
2
1
LD2
HLMP-1401
+5V
3
2
1
Q1
BSS123
3
2
1
Q2
BSS123
3
1
2
LK2
n.c.
n.o.
10
1
5
RL2B
1
2
C41
10nF
3
8
RL2A
V23026
+5V
+5V
J2 optional power in
(used when fitted to FRU-1030 frame)
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
OUTPUTS
1
2
L7R
1
2
L6R
1
2
L5R
1
2
L4R
1
2
L2R
1
2
L
1
R
18nH
INPUT
2
1
R7R
2
1
R6R
2
1
R4R
2
1
R5R
2
1
R2R
2
1
R1R
43R
SK1
SK2
SK4
SK5
SK6
SK7
1
2
3
J2
2
1
JP1
N/C
2
1
JP2
N/C
1
2
3
4
5
6
7
8
9
10
13
14
15
16
17
18
19
20
21
22
RL1R
G5Y-254P
1
3
2
D1R
BAS16
1
2
3
4
5
6
P3
Not Fitted
1
3
5
7
9
P2
Not Fitted
3
2
1
SK10
Signal Fail Fail Alarm contact closure to ground.
PROTECTED OUTPUT
Power Fail Fail Alarm contact closure to ground.
1
2
L3R
2
1
R3R
SK3
1
3
2
D4
BAS16
1
3
2
D3
BAS16