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DEFINITY Enterprise Communications Server Release 5
Maintenance and Test for R5vs/si
555-230-123
Issue 1
April 1997
Packet Bus Fault Isolation and Correction
Page 9-17The Maintenance/Test Circuit Pack (TN771D)
9
Figure 9-4. Packet Bus Leads on the Backplane - Back View
+5v
LP
L2
L4
L7
L8
H0
SB
H2
H4
SF
H6
H7
H8
GND
SS
GND
GND
+5v
+5v +5v
+5v
+5v
L5
L1
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GND
L3
GND
L6
GND
HP
H1
GND
H3
GND
H5
GND
LF
GND
GND
GND
. . . .
. . . .
SLOT XXX
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. . . .
L0
Backplane
Separation