Nortel Communication Server 1000S Installation And Configuration Manual page 23

Figure 3
NT4N41 Core/Network module (Large System)
Net
PS 0 1
Figure 3 shows the NT4N41 Core/Network module.
2 3 4 5 6
Procedure 2
Remove the module cover for card installation
To remove the covers from the modules with unused card slots, follow the
procedure below. Refer to Figure 4 on page 24.
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.
ISDN Basic Rate Interface
Installing ISDN BRI hardware
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Page 23 of 120
Core
SYS
CP
cCNI
UTIL PII
A
COM 1
C
B Enb
Enb
Dis
Dis
COM 2
C
LAN 2
L
LAN 1
L
SB
U
INIT
RESET
ALRM SPKR
HDD PWR
c9 c10 c11 c12 c13 c14 c15 CP
553-9123r26revised
Installation and Configuration
MMDU