2
System Description
System Parts Identification
2-8
Figure 2-8. Comm Backplane Board
Legend For Figure 2-8
Item
Description
Item
Description
1
J2 connector connects to J4 on Power
Supply board
4
J4 - J8 connectors for optional Comm modules
(Comm modules keyed for certain slots)
See Figure 2-9 for user selectable Comm Modules.
See Table 2-1 for permissible slots/ports for user
selectable Comm Modules
See Figure 2-10 for fixed Comm Modules.
2
J3 connector for CPU board
3
J9 connector connects to J1 connector on
I/O Backplane board
B62B
62
B1B
1
B12B
12
A62A6
2
A12A1
2
A1A1
22
5959
6060
22
5959
6060
22
5959
6060
22
5959
6060
22
5959
6060
30
30
30
30
29
29
29
29
30
30
29
29
30
30
29
29
30
30
29
29
JJL 290807JJ
L
29
08
07
REV - ARE
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
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