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Multiple QBB-5001(R) Cabinet Connections
86
motherboard #3.
Figure 55: I nterconnecting Extra QMB Motherboard
Note:
Jumper JW1 (located in the bottom left-hand corner of the backplane) is installed for expansion
cabinets #1 to 3.
I
O
NODE MOTHERBOARD
A
M
P
1
A
M
P
2
A
M
P
3
A
M
P
4
Regular MD-525 Ribbon Cable
Regular MD-525 Ribbon Cable
Special MD-525 Ribbon Cable
I
O
A
M
P
1
EXPANSION MOTHERBOARD #1
EXPANSION MOTHERBOARD #2
EXPANSION MOTHERBOARD #3
A
M
P
2
A
M
P
3
A
M
P
4
A
M
P
5
A
M
P
6
A
M
P
7
I
O
A
M
P
1
A
M
P
2
A
M
P
3
A
M
P
4
A
M
P
5
A
M
P
6
A
M
P
7
I
O
A
M
P
1
A
M
P
2
A
M
P
3
A
M
P
4
A
M
P
5
A
M
P
6
A
M
P
7
ANC-5000 and/or
TNC-5000
NO
T USED
NO
T USED
NO
T USED
Amplifiers are defined as in slot
positions 2 to 5 for the Node
Motherboard QMB-5000N
Amplifiers are defined as in slot
positions 2 to 7 for the Expansion
Motherboards QMB-5000B
JW1
JW1
JW1
JW1
QMB-5000N
QMB-5000B
QMB-5000B
QMB-5000B