Task List; Unpacking An Enc Cable; Removing An Enc Cable - Hitachi AMS 2000 Series Service Manual

• Neither the Ready or Warning LEDS on the base unit is blinking.
CAUTION! Do not replace any parts while the green Ready LED
on the front of the base unit is blinking at high speed. The
blinking green LED means that a firmware upgrade is being
downloaded to the unit. Wait until after the download is
complete before replacing any parts.

Task list

Complete the following tasks to replace an ENC cable.
1. Troubleshoot the array according to the instructions in Chapter 6 and the
error message(s) and instructions in the Navigator 2 Alerts window.
2. Unpack the ENC cable(s).
3. Partially remove the furthest ENC unit to which the cable is connected.
4. Disconnect the failed ENC cable at both ends.
5. Connect the new ENC cable at both ends.
6. Reinstall the ENC unit.

Unpacking an ENC cable

1. Remove the ENC cable from its shipping container.
2. Verify that you have the correct cable. See Chapter 3, Parts List, in the
Hitachi Adaptable Modular Storage 2100/2300 Service Guide.
3. Set the cable aside until you are ready to install it.

Removing an ENC cable

Complete the following procedure with the power turned on.
1. Within the ENC units that are connected to the ENC cable to be replaced,
locate the ENC unit on the expansion array that is furthest from the base
unit. Figure 4-23 shows how the units are connected together.
Replacing parts
Hitachi AMS 2000 Family Storage System Service Guide
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