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Ethernet LAN switch support
The following is general information relevant to many Ethernet Switches. Refer to
the manufacturer's User's Guide that came with your Switch for installation
instructions.
The Switch is a standalone unit located outside the frame and which operates on
building AC power. The particular unit you have received is based on availability at
the time of shipment. A customer-supplied switch may be used as long as it
matches the specifications of the switch IBM supplies.
Typical Ethernet Switch characteristics:
v 16 auto-negotiation ports
v 10/100 Mbps data rate
v Full or half duplex operation
v Auto-MDIX on all ports
v Port Status LEDs
v 100 to 240 VAC, 50 or 60 Hz power
Ethernet Switches supporting auto-MDIX on all ports use a straight-through cable
between any two ports.
Switch Example
Ethernet network connection requirements
52
z10 BC IMPP
I M P O R T A N T
You must install an Ethernet Switch to which the HMC(s) are connected. Only
an Ethernet switch may be connected to the customer ports J01 and J02 on
the Bulk Power Hub. To provide redundancy for the HMC(s), two switches
should be used.
SMC
R
EZ Switch 10/100
Power
1016DT
Link/Act
100M
FDX
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I M P O R T A N T
On the z10 EC, the install team must connect the Ethernet adapters for
any HMC(s) into an Ethernet switch. This switch can then be connected
to J01 and J02 on the Bulk Power Hubs. (See the illustration below).
IBM offers an Ethernet switch under Feature Code 0089. For z10 EC, the
default is a quantity of 0 for FC 0089. You must specify how many Ethernet
switch Feature Codes 0089 you want on your server order. You may also use
another manufacturer's switch, or an existing switch instead. Regardless of
whose switch you use, there must be a switch available to connect the
Hardware Management Consoles to your LAN.
To provide redundancy for the HMC(s), two switches should be used.
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Level 03c, May 2011
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