Nortel Meridian 1 Manual page 844

Upgrade system installation through x11 release 21

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Upgrades to Meridian 1 option 81

553-3001-250 Standard 14.00 August 1996

30 Position the I/O panel so the side with the two indents fits into the

module. Secure the I/O panel with the screws from the former panel.

31 On the outside of the I/O safety panel, attach one extraction tool caution

label above the "CAUTION hazardous voltage" label.

32 In the bottom of the module, attach the other extraction tool caution label

directly behind the position of the I/O safety panel.

33 In the bottom of the module, attach the clamp that holds the extraction

tool directly behind the extraction tool caution label you just installed.

34 Snap the extraction tool into the clamp.

35 Attach the Core Module designation labels, provided in the upgrade

package, at the front and rear of the module. These labels can go on top

of the existing labels. The smaller label goes on the rear of the module.

36 Install the NT6D6003 CBT Card in slot 13.

Note: All jumpers on the CBT card are preset to open (the two pins are

not connected together by a jumper plug) and must be left open. The card

may, however, have jumper plugs installed over one pin on the jumpers.

The plugs are provided as extra plugs that may be required on some other

card or for future requirements.

37 Install the module power supply (reused from the CPU card cage) in the

slot labeled "CE Pwr Sup" in the Core card cage.

38 Turn on power to the Core 0 module. For AC-powered systems, set the

main circuit breaker to ON (up position) in the rear of the pedestal. For

DC-powered systems, set the breaker to ON (up position) in the pedestal;

then, set the switch to ON (up position) on the power supply in the

39 Check the LEDs on the NT6D003 CBT Card. (The LEDs are on the

component side of the card, not on the faceplate.) The pattern of the

LEDs must be OFF-OFF-OFF-OFF, from the top down, for Core 0. The

LED pattern matches the jumper settings on the backplane. If the pattern

is incorrect, check the jumpers on the backplane (refer to Table 12-14 on

page 12-78).

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