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CHAPTER 7 ND-70185 (E)
Page 158
Revision 3.0
TROUBLESHOOTING
23-S FCH Failure Notification (Detection)
Figure 7-14 How to Replace HUB (PA-M96) Card
WARNING:
When a HUB card is placed in make-busy, all BASE-T interfaces connected to the
HUB card become inoperative.
ATTENTION
Contents
Static Sensitive
Handling
Precautions Required
2
MB
Anti-static Kit
OPE
10 BASE-T
HUB
MB key operation
2
MB
OPE
10 BASE-T
HUB
MB
MB
: 10 BASE-T cable
When this MB key is set in up position
(Make-busy), all 10 BASE-T interfaces
connected to this card become
inoperative.
10 BASE-T Cable Disconnection
MNT 3
HUB(PA-M96)
HUB(PA-M96)
FCH(PA-FCHA)
DTI (PA-24DTR)
to LANI
(PZ-PC19)
[How to Replace HUB card]
1) Provide anti-static kit.
2) Turn ON the MNT3 switch of the FCH cards which are connected
to the HUB card to be replaced.
3) Make sure that system message (23-W) "FCH Alternate Routing
(start)" is displayed for the FCH cards.
4) Turn ON the MB key on the HUB card. (make-busy)
5) Disconnect the 10 BASE-T cables from the card.
6) Extract the HUB card from the slot.
7) Set key settings on the new HUB card.
8) Turn ON the MB key on the new HUB card.
9) Mount the new HUB card in the slot.
10) Turn OFF the MB key on the card.