IBM DS4700 manual Link rate LEDs

Link

Rate

LEDs

Two on = 4 Gbps

One on = 2 Gbps

Figure 112. 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 164.

vNo - 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 33.

4.Locate the Link Rate switch. Figure 112 shows the location of the Link Rate indicator light on the front of the command module.

77025-01

Link Rate switch (2 Gbps or 4 Gbps)

Figure 113. Link rate switch

5.Change the Link Rate switch setting by doing the following: a. Put on antistatic protection.

Chapter 5. Replacing components 163