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you must use LC-LC Fibre Channel cables. If the device uses Gigabit Interface
Converters (GBICs) as the optical interface connector, you must use LC-LC Fibre
Channel cables and LC-SC Fibre Channel cable adapters (Part number 19K1250)
to connect to the DS4500 Storage Subsystem.
Statement 3:
CAUTION:
When laser products (such as CD-ROMs, DVD drives, fiber optic devices, or
transmitters) are installed, note the following:
v Do not remove the covers. Removing the covers of the laser product could
result in exposure to hazardous laser radiation. There are no serviceable
parts inside the device.
v Use of controls or adjustments or performance of procedures other than
those specified herein might result in hazardous radiation exposure.
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.
Types of interface ports
The DS4500 Storage Subsystem has the following types of interface ports:
v Host mini hub
v Drive mini hub
v Ethernet
The
SFP mini-hub ports are used for data transfer between hosts or storage
expansion enclosures and RAID controllers in the DS4500 Storage Subsystem.
Ethernet ports are available for storage subsystem-management. The DS4500
Storage Subsystem interface ports are shown in Figure 30 on page 49.
48 IBM TotalStorage DS4500 Fibre Channel Storage Subsystem: Installation, User’s, and Maintenance Guide