2
System Description
System Parts Identification
2-8
Figure 2-8. Comm Backplane board
B62B
6
2
B1B
1
B12B
12
A62A
6
2
A12A
12
A1A
1
22
595
9
606
0
22
595
9
606
0
22
595
9
606
0
22
595
9
606
0
22
595
9
606
0
30
30
30
30
29
29
29
29
30
30
29
29
30
30
29
29
30
30
29
29
JJL 290807JJ
L
2
9
0
8
0
7
REV - AR
E
V
-
A
J2
J2
A37
A37
A28
A28
11
B37
B37
B28
B28
R27
VRBUS+
SLOT 1
SLOT 2
SLOT 3
SLOT 4
SLOT 5
J3
J9
R2
J4
J6
J7
J5
J8
FD2
FD1
R17
R15
R16
R21
R29 R18
R22
C10
M81
R25
C9
R20
R24
C8
R19
M82
R23
R6
R5
R4
R3
R14
R13
R12
R10
R11
BACKPLANE
TO I/O
GND
GND
+24V
+24V
NO COMPONENTS OR TRACES ABOVE THIS LINE
FD3
R30
C12
J1
332881-001 Rev A
BD Group - Comm.Backplane board
TLS-450 console
POWER STATUS
RELAY CONTROL LINE
C1 C2 C3
C11
+24V +24V
GND
GND
GND
C4
R1
C7
C5
C6
R7
R9
R8
VRBUS-
VRBUS_RST
N/C
FD4
1
2
3
consoles\450\918-9.eps
4
LEGEND
Item
Description
Item
Description
1
J2 connector connects to J4 on Power
Supply board
3
J9 connector connects to J1 connector on I/
O Backplane board
2
J3 connector for CPU board
4
J4 - J8 connectors for optional Comm mod-
ules (Comm modules keyed for certain slots)