AXP1620 Installation and Use (6806800E23E)
AXP1620 Shelf Description
Zone Locations on a Blade
52
2.6.5
Zone Locations on a Blade
The backplane provides dual star Base Interface and dual star Fabric Interface connections at
each slot with segmented power (four power segments) provided by the dual PEMs.
z
Zone 1 provides the system management and power interfaces, such as redundant
-48VDC power and IPMB
z
Zone 2, the data transport interface, provides the Base and Fabric interfaces, Update
Channels, and clock synchronization through the ZD connectors per front-side blade
z
Zone 3 provides the direct interconnect for user designated I/O
Table 2-6 SAM and PEM Hardware Addressing
Physical
Slot
HW
Address
Site
Type
HA7
HA6
HA5
HA4
HA3
HA2
HA1
HA0
PEM 1
1
01h
Gnd
Open
PEM 2
2
01h
Open
Gnd
SAM 1
1
03h
Gnd
Open
SAM 2
2
03h
Open
Gnd
Rear Transition Modules connect directly with the connectors on the front-side blade
and do not make the connection through the backplane.
Figure 2-4
Blade Slot Connectivity
Hub A
Backplane
-4
8V
_A
SAM B
SAM A
HA[7:0],
LOGIC_GND,
SHELF_GND,
Metallic, Ring
Hub B
Zone 1
Zone 2
PEM B
PEM A
-4
8
V
_
B
ATCA Blade
Ba
se
C
ha
nn
el
Fa
bri
c C
ha
nn
el
Ba
se
C
ha
nn
el
Fa
bric
C
ha
nn
el
Update Channel
IP
M
B
_A
IPM
B_B
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