NEC Neax 2400 Ipx Installation Manual

NDA-24306 CHAPTER 3
Page 73
Revision 1.0
STEP 11  : Fix a FAN fuse (5.0 A) onto the PZ-M369 by referring to Figure 005-4.
STEP 12  : Connect the remaining FAN cables per Figures 005-10 and 005-11.
STEP 13  : Lastly, attach the Top Cover onto the TOPU of the cabinet. Then, fasten the four screws (refer to Figure
005-7).
Note:The procedures, STEP 1 through STEP 7, must be performed at each PBX cabinet adopting 3-PIM or 4-
PIM configuration.
NAP-200-005
Sheet 11/16
Mounting of Units and Modules 

CHAPTER 3 NDA-24306
Pag e 7 4
Revision 1.0
Figure 005-10  Cable Connections for FANU in FAN BOX
NAP-200-005
Sheet 12/16
Mounting of Units and Modules
TH0 TH1 TH2 FAN TALM0
Note 2
TA L M
THM
TOPU (Top View)
Note 1
PZ-M369 (Front View)
T
H
2T
H
2(          )
T
H
1T
H
1
T
H
0T
H
0
T
A
L
M
0T
A
L
M(          ) (          )
TO P U
NEAX 2
400 IMSNEC
.
.
PBX
FA N  B OX
PZ-M369
Note 1:For details on the FAN connector (PIM backplane), refer to Figure 005-11.
Note 2:For details on the TALM connector (TOPU panel),...

NDA-24306 CHAPTER 3
Page 75
Revision 1.0
Figure 005-11  Connection of “FAN” Connector Cable (FAN BOX-PIM)
NAP-200-005
Sheet 13/16
Mounting of Units and Modules
(
FA
N
)
(FAN)
FA N  B OX
PBX
FAN power cable
R
EA
R  TH2  TALM1   TALM0
  TH1   TH0   FC0   FC1   FC2ON
OFF
Auto
PZ-M369
FA N  p o w e r  c a b l e
FA N  B OX
F
R
O
NT
FAN
ATTENTIONContents
Static Sensitive
Handling
Precautions Required 

CHAPTER 3 NDA-24306
Pag e 7 6
Revision 1.0
3. ATTACHING THE ADDITIONAL NOISE FILTER UNIT (NFILU) TO THE BASEU
The following flowchart shows the procedure to attach the Additional Noise Filter Unit (NFILU) to the BASEU
of the PBX. This work should be performed in each IMG stack of all Local Nodes when they contain 3 or 4
PIMs.
NAP-200-005
Sheet 14/16
Mounting of Units and Modules
START
Referring to Figures 005-12 and 005-13, insert the NFILU to the BASEU and attach the NFILU with 
two screws.
Referring to...

NDA-24306 CHAPTER 3
Page 77
Revision 1.0
Figure 005-12  Insertion of NFILU
Figure 005-13  Attaching of NFILU
NAP-200-005
Sheet 15/16
Mounting of Units and Modules
NOISE FILTER UNIT (NFILU)
SCREW
BASE-U
SCREW
SC
REW
S
BASE-U 

CHAPTER 3 NDA-24306
Pag e 7 8
Revision 1.0
Figure 005-14  Cabling Diagram of NFILU
NAP-200-005
Sheet 16/16
Mounting of Units and Modules
(—48VB)
(GB0)
(G)
(—48V)
(PZ-M371)
Additional 
Noise Filter 
Unit (NFILU)(3) (4)
(1) (2)
(1) (2)
(PZ-M377)
FRONT
Already Attached 
Noise Filter Unit
BASEU
(GB1) 

NDA-24306 CHAPTER 3
Page 79
Revision 1.0
This NAP explains the procedures for installing the power equipment.
Note:The Circuit Breaker (NFB) for the Rectifiers DC output must remain OFF.
NAP-200-006
Sheet 1/1
Installation of Power Equipment
START
Install the power equipment at the predetermined location using anchor bolts, etc. Install the framework 
for the batteries to be used for backup. Secure the framework using anchor bolts, etc.
Check the cabling at the primary and secondary sides of the power...

CHAPTER 3 NDA-24306
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Revision 1.0
This NAP explains the procedures for installing the MDF.
NAP-200-007
Sheet 1/1
Installation of the MDF
START
Install the MDF at the predetermined location on the floor or wall. 
Be sure to check the quantity of accessory items such as arresters, block terminals, etc.
Install the MDF, taking into consideration the locations of lead-in holes for Local Cable, C.O. lines, Tie 
Lines, and Cable Running Routes.
MDF Line Protector Ground must be separated from the...

NDA-24306   CHAPTE R 3
P age  81
Re visi on 1 .0
T his  NA P  exp la ins  the  f o llo w ing  work  ite m s.
   Conne ction  of P ower a nd Ground C abl es
   Conne ction  of DC-DC  Conver ter  f o r T ele phone  s e ts  equi pped  wit h  M ess age  W aitin g  L am ps
   End  J o in ti ng  of  P ower  an d G round  C ab les
   Bra n ch ing  of  P ow er C ab le s
1.  CONNECTION OF THE  POWER  AND  GRO UND CABLES
CAUTION :  G rou ndi ng  c ir c u it co ntinu ity  is  v ital  for  sa fe  o pera ti o n...

CHAPTER 3 NDA-24306
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Revision 1.0
Figure 008-1  Detail of Cable Running
NAP-200-008
Sheet 2/12
Connection of Power and Ground Cables 
from the Power Equipment
P
OW
E
R 
A
N
D 
GR
OU
N
D
 C
AB
L
E
S T
-B
R
A
N
CH
 C
O
NN
EC
TI
ON
POWER RECEIVINGIMG3
DUMMY
IMG2
TSWM1
IMG1
IMG0
REARLPM
TERMINAL
M
A
IN
 C
AB
L
E
ISW
REAR
LPM
REAR
TSWM0
REAR
REAR