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Two on = 4 Gbps
One on = 2 Gbps
Figure 75. Link rate LEDs
Figure 76. Link rate switch
122
IBM System Storage DS4200 Express Storage Subsystem: Installation, User's and Maintenance Guide
Link
Rate
LEDs
If both Link Rate indicator LEDs are on, the data transfer rate is set for 4
Gbps. If one Link Rate indicator light is on, the data transfer rate is set for 2
Gbps.
3. Is the data transfer rate set correctly?
v Yes - Go to step 8 on page 123.
v No - Go to step 5 to change the setting.
Attention:
When you handle static-sensitive devices, take precautions to
avoid damage from static electricity. For details about handling static-sensitive
devices, see "Handling static-sensitive devices" on page 25.
4. Locate the Link Rate switch. Figure 75 shows the location of the Link Rate
indicator light on the front of the command module.
5. Change the Link Rate switch setting by completing the following steps:
a. Put on antistatic protection.
77025-01
Link Rate switch
(2 Gbps or 4 Gbps)
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