Checking The Backplane Pins - Nortel Passport 15000 Hardware Installation And Maintenance

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258 Chapter 17 Hardware procedures

Checking the backplane pins

Prerequisites

Procedure steps

241-1501-240 5.2S2

Check the backplane pins after unpacking a Passport 15000 shelf assembly

and before any processor cards are installed to ensure there are no bent pins.

Do not check the pins of a Passport 20000 shelf assembly unless cards

have been accidently unlatched by impact, inadvertently removed, or at

least one slot was shipped empty.

Risk of equipment damage and service loss by bent

While checking for bent backplane pins, especially if you

are wielding a ﬂashlight or mirror inside the shelf

assembly, ensure that you do not contact any pins.

Contacting the pins with a sideways force can easily bend

Look inside the shelf assembly at each row of pins at the rear. Refer to the

ﬁgure "An empty shelf assembly of a Passport 15000, front view"

(page 259). You may need a ﬂashlight to see the patterns of pins. Do not

allow the ﬂashlight to contact anything inside the shelf assembly.

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Passport 20000