User's Manual

NDA-24300 CHAPTER 2
Page 35
Issue 1
SYSTEM MAINTENANCE OUTLINE
4.2 Forwarding Faulty Circuit Card Method
Send the faulty circuit card to the NEC agent to whom a request is made for a replacement card. Adhere
to the following procedure for sending the faulty circuit card:
(1) Insert connector covers onto the circuit card terminals.
(2) Put the circuit card into a static electricity protective bag.
(3) Pack the circuit card with air cap, etc.
(4) Set the circuit card into the cardboard box for that specific circuit card.
(5) If multiple circuit cards are to be sent, set each circuit card in a separate cardboard box and stuff the box
with shock absorbing material.
Note:
When sending a faulty circuit card, put it in a static guard bag. To prevent damage, never place the cir-
cuit card in a vinyl bag or ship it without a protective bag.