IBM TotalStorage 2109 M12, User Manual

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Each switch blade assembly has an on-board serial EEPROM that is only
accessible through the I
²
C bus interface. This serial EEPROM can be accessed by
a CP to determine information, including:
v OEM serial number
v
IBM serial number
v
Manufacturing date
v Manufacturing location
v
Part number
v Revision
v
Error logs
Switch blade assembly design
The following are the dimensions of the switch blade assembly:
v 42.06 cm (16.56 in.) high
v
29.74 cm (11.71 in.) wide
v
3.58 cm (1.41 in.) deep
Each switch blade assembly is connected to the backplane through high
performance connectors.
The switch blade assembly provides 16 external fibre-channel ports. Each of the 16
ports per blade assembly are auto-sensing, speed matching at 1 Gbps and 2 Gbps,
support trunking, and are universal (E_port, F_port, and FL_port). Port speed can
be managed through the management interface.
Chapter 4. CP blades and 16-port blades
17