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Network Management and System Access
The physical address describes the physical location of an FRU in the shelf. This location is
required when an operator has to handle an FRU, for example, exchange the AdvancedTCA
blade #2. The physical address and the physical slot number are identical for AdvancedTCA
blades. The physical addresses of other FRUs like fan trays identify the type of the FRU and a
particular FRU of that type.
The lower slot has the physical slot number 1, the upper slot the physical slot number 2
assigned. The shelf FRU ROM provides a mapping of physical slot numbers to logical slot
numbers for each slot.
Every slot has a unique logical slot number. These logical slot numbers are used to determine
the channel mapping between the slots according to the AdvancedTCA specification PICMG 3.0,
chapter 6.5.6.
The table below shows the physical and logical slot numbering, IPMB addresses and hardware
addresses in a Centellis 2000 system.
Table 8-1 Slot Numbering and Slot Addresses
Device#
MF106 1
MF106 2
Front Blade 1
Front Blade 2
PSU 1
PSU 2
Rear Fan Tray
Front Fan Tray
User Card 1
User Card 2
8.3.2
Shelf Geographical Address
The shelf geographical address (SGA) is used to calculate the shelf manager IP addresses on the
out-of-band interface (see
geographical address also changes the shelf manager IP address.
120
Hardware Address
IPMB Address
8
10
9
12
4D
9A
4E
9C
60
C0
61
C2
64
C8
65
CA
69
D2
68
D0
Out-of-Band Interface on page
Centellis 2000 Shelf Release 3.0 Installation and Use (6806800L99F)
Logical Slot Number
-
-
13
14
-
-
-
-
-
-
124). Therefore, changing the shelf
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