User`s guide

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6. While holding the OCP reset (//) button, insert the new program card,

pressing the card in until the eject button extends outward almost even

with the program card, then release the reset (//) button. The controller

restarts.

Note

Following the controller restart, approximately 60 seconds pass before

the controller accepts CLI commands. This delay does not affect unit

availability to the host. The delay provides time for controller internal

conﬁguration operations to complete before user commands change that

conﬁguration.

If the controller initializes correctly, the green reset LED will begin to ﬂash

one time per second. If an error occurs during initialization, the OCP will

display a code.

7. Replace the ESD shield over the program card by pushing the two plastic

push pins on each side of the shield.

8. Remove the ESD grounding strap.

Program Card Upgrade—Dual-Redundant Conﬁguration

In dual-redundant conﬁgurations, the ﬁrmware in both controllers must be

upgraded simultaneously.

Use the following procedure to upgrade the ﬁrmware (replace the program cards)

of a dual-redundant controller conﬁguration:

1. Attach an ESD grounding strap to your wrist at one end and to a cabinet

grounding stud at the other end.

2. Remove the ESD shields over both program cards by pulling the two plastic

push/pull pins on each side of the two shields.

3. Press the program card eject buttons on both controllers simultaneously and

remove both old program cards.

4. Press and hold the OCP reset (//) buttons on both controllers while inserting

new program cards. Be sure the eject buttons extend outward almost even

with the edge of the cards.

5. Release the reset (//) buttons. Both controllers will restart.

The two controllers will reinitialize concurrently and will synchronize with

each other. The timing of this procedure is not critical, except that the

program cards should be removed and inserted at approximately the same

time (within an interval of a few seconds).