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DANGER
Some
laser products contain an embedded Class 3A or Class 3B laser diode. Note the following.
Laser radiation when open. Do not stare into the beam, do not view directly with optical
instruments, and avoid direct exposure to the beam.
Class 1 Laser statement
IEC 825-11993 CENELEC EN 60 825
Direct-attached host-side fibre channel cabling
Attention: Install the DS4500 Storage Subsystem and all storage expansion enclosures in the rack cabinet
before cabling the configuration.
O
U
T
IN
!
2 G
b/s1 G
b/s
O
U
T
IN
!
2 G
b/s1 G
b/s
O
U
T
IN
!
2 G
b/s1 G
b/s
O
U
T
IN
!
2 G
b/s1 G
b/s
O
U
T
IN
!
2 G
b/s1 G
b/s
O
U
T
IN
!
2 G
b/s1 G
b/s
O
U
T
IN
!
2 G
b/s1 G
b/s
O
U
T
IN
!
2 G
b/s1 G
b/s
Host mini hubs
Controller A
Drive mini hubs
Mini hub
Out ports
Mini hub
In ports
Controller B
1
2
34
1
43
2
DS4500 Storage Server
1. Connect a host adapter to the Host 1 (top) port on host-side mini hub 1. For redundancy, connect a
second host adapter to the Host 1 (top) port on the host-side mini hub 2.
Note: Note: To connect devices to each other, follow the procedure on the other side of this document
for installing SFP modules and fibre channel cables.
2. For a second redundant host, connect two host adapters to the Host 2 (bottom) ports on host-side
mini hubs 1 and 2.
3. For a third redundant host, connect two host adapters to the Host 3 (bottom) ports on host-side mini
hubs 3 and 4.
4. For a fourth redundant host, connect two host adapters to the Host 4 (top) ports on host-side mini
hubs 3 and 4.
Figure 2. DS4500 Storage Subsystem ports and controllers
3