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Install ISDN BRI hardware Page 19 of 46
ISDN Basic Rate Interface Installation
Figure 3
NT5D21 Core/Network module
Remove the module cover for card installation
To remove the covers from Meridian 1 modules with unused card slots,
follow the procedure below. Refer to Figure 4.
1 Use a flat-blade screwdriver to unlock the left latch on the front of the
cover by turning the screw 1/4 turn clockwise.
2 Use a flat-blade screwdriver to unlock the right latch on the front of the
cover by turning the screw 1/4 turn counterclockwise.
3 While holding the cover so it does not fall off, slide the latches toward
the center of the cover.
4 Pull the cover toward you and lift it away from the module.
5 Place the cover in a safe place away from the working area to avoid
damaging it.
6 Repeat steps 1 through 5 for each cover requiring removal.
(No card should be inserted into this slot)
CNI
CNI
CNI
CE Pwr Sup
012 3 4 5 6 7 8 9 10 11 12 13 14 15 17
SLP SLP SLP PS 3PE CNI
Core/Net Module
Network Group CPU
Shelf
LRTN
FGND
SLP
NT8D17 Conference/TDS
NT8D04 Superloop Network Card
QPC414 Network Card
NT8D04 Superloop Network Card
NT8D04 Superloop Network Card
Dual InterGroup Switch Card
QPC43R Peripheral Signaling Card
Call Processor Card
NT5D61 IODU/C
16 18
NT5D21
553-6383
3-Port Extender Card
Net CoreCore/Net Module