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Figure 3. Orientation of ports on node canister 2 (bottom)
Data ports
Four 10 Gbps Ethernet ports on each node canister provide system management connections and iSCSI
host connectivity. The onboard 10 Gbps Ethernet ports use RJ-45 connections, not optical connections.
The 10 Gbps ports operate at 1 Gbps when connected to a 1 Gbps switch. A separate technician port
provides access to initialization and service assistant functions. Table 5 on page 5 describes each port.
Table 5. Summary of onboard Ethernet ports
Onboard Ethernet Port
1
2
3
4
T
Control enclosure support rails
The left and right control enclosure support rails are designed specifically for installation of a control
enclosure.
• The ledge on the inside of the rails supports the entire length of a control enclosure.
• At the rear end of the control enclosure support rail, the top edge curves over to capture the top edge of
an inserted control enclosure. This prevents the installed control enclosure bouncing when the rack is
subjected to quake or vibration.
• The control enclosure support rails adjust to fit racks from 685 mm to 765 mm deep, measured
between the front and rear rack rails.
Identifying node canisters
The Storwize V5100 node canisters include hardware changes that significantly differ from earlier model
node canisters. The differences help distinguish the types of node canisters. The main difference is that
Storwize V5100 node canisters are not side by side in the control enclosure, but each is the full width
(minus the width of both power supplies) and half the height of the control enclosure, sitting one above
the other in an inverted orientation.
Figure 4 on page 6 shows the canister release levers extended to either remove or replace the bottom
of the two node canisters in a Storwize V5100 control enclosure. The inverted (upside down) upper node
canister is also shown in the illustration.
Speed
Function
10 Gbps
Management IP, Service IP, Host I/O
10 Gbps
Secondary Management IP, Host I/O
10 Gbps
Host I/O
10 Gbps
Host I/O
1 Gbps
Technician Port - DHCP/DNS for direct attach service
management
Chapter 1. Before you begin the installation 5
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