Avaya MCC1 Maintenance Procedures page 232

Packet and serial bus maintenance
Isolating and repairing packet-bus faults
Figure 68: Packet bus leads on the backplane (front view)
232
Front View
. .
+5v
. .
. .
L0
. .
GND
. .
L3
. .
GND
. .
L6
. .
GND
. .
HP
. .
H1
. .
GND
. .
H3
. .
GND
. .
H5
. .
GND
. .
LF
. .
GND
. .
. .
. .
GND
. .
. .
GND
Backplane . .
Separation
. .
+5v
. .
+5v
. .
. .
. .
. .
. .
. .
. .
+5v
. .
. .
LP
. .
L1
. .
L2
. .
L4
. .
L5
. .
L7
. .
L8
. .
H0
. .
SB
. .
H2
. .
H4
. .
SF
. .
H6
. .
H7
. .
H8
. .
. .
GND
. .
SS CLK
. .
GND
. .
. .
GND
. .
+5v
. .
+5v
. .
. .
. .
. .
. .
. .
Maintenance Procedures
December 2003