NEC Neax 2400 Imx Installation Manual

NDA-24234 CHAPTER 3
Page 61
Revision 3.0
INSTALLATION PROCEDURE
4. PROCEDURE FOR FANU IN THE FAN BOX
When any IMG is configured by 3 or 4 PIMs, the FANU must be accommodated within the FAN BOX in the center
of the cabinet. Because the FANU is originally mounted on the TOPU as shown in Figure 005-3, relocate the FANU
into the dedicated FAN BOX as per the STEPs below:
STEP 1: Referring to Figure 005-3, remove the FANU from the TOPU.
Remove the two screws fastening the PZ-M369. Then, lift away the...

CHAPTER 3 NDA-24234
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Revision 3.0
INSTALLATION PROCEDURE
Figure 005-8  Relocation of FANU and Insertion into FAN BOX
NAP-200-005
Sheet 9/16
Mounting of Units and Modules
Screws for FAN Mounting Plate
Screws for PZ-M369FAN BOX connection bar FAN BOX connection bar
FAN BOX
Note
ATTENTIONContents
Static Sensitive
Handling
Precautions Required
Note:Before inserting the FANU into the FAN BOX, connect the FAN cables for “FC0,” “FC1,” and “FC2”
connectors on the PZ-M369. Refer to Figure 005-9. 

NDA-24234 CHAPTER 3
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Revision 3.0
INSTALLATION PROCEDURE
Figure 005-9  FAN Cable Connections for FC0/FC1/FC2 Connectors
NAP-200-005
Sheet 10/16
Mounting of Units and Modules
FC0 FC1 FC2
ATTENTIONContents
Static Sensitive
Handling
Precautions Required
FAN0 FAN1 FAN2
PZ-M369
Before installing the FANU into the FAN BOX, connect FAN cables as shown below. 

CHAPTER 3 NDA-24234
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Revision 3.0
INSTALLATION PROCEDURE
STEP 5: Fix a FAN fuse (5.0A) onto the PZ-M369 by referring to Figure 005-4.
STEP 6: Connect the remaining FAN cables as per Figure 005-10 and Figure 005-11.
STEP 7: Lastly, attach the Top Cover onto the TOPU of the cabinet. Then, fasten the four screws (refer to Fig-
ure 005-7).
Note:The procedures, STEP 1 through STEP 7, must be performed at each PBX cabinet adopting 3-PIM or 4-
PIM configurations.
NAP-200-005
Sheet 11/16
Mounting of Units...

NDA-24234 CHAPTER 3
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Revision 3.0
INSTALLATION PROCEDURE
Figure 005-10  Cable Connections for FANU in FAN BOX
NAP-200-005
Sheet 12/16
Mounting of Units and Modules
FAN BOX
PZ-M369TH0TH1TH2FAN TALM0
Note 2
TALM
THM
TOPU (Top View)
Note 1
PZ-M369 (Front View)
NECNEAX 2400 IMS
PBX
TOPU
NEAX 2400 IMSNEC
.
.
ATTENTIONContents
Static Sensitive
Handling
Precautions Required
T
H
2T
H
2(           )
T
H
1T
H
1
T
H
0T
H
0
T
A
L
M
0T
A
L
M(           )(           )
Note 1:For details on the “FA N” connector...

CHAPTER 3 NDA-24234
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Revision 3.0
INSTALLATION PROCEDURE
Figure 005-11  Connection of “FA N” Connector Cable (FAN BOX-PIM)
NAP-200-005
Sheet 13/16
Mounting of Units and Modules
ATTENTIONContents
Static Sensitive
Handling
Precautions Required
(FAN)
FAN BOX
PBX
FAN power cable
FAN power cable
(FAN)
FAN BOX
  TH2  TALM1   TALM0
  TH1   TH0   FC0   FC1   FC2ON
OFF
Auto  FAN
PZ-M369 

NDA-24234 CHAPTER 3
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Revision 3.0
INSTALLATION PROCEDURE
5. ATTACHING THE ADDITIONAL NOISE FILTER UNIT (NFILU) TO THE BASEU
The following flowchart shows the procedure for attaching the Additional Noise Filter Unit (NFILU) to the BASEU
of the PBX. This work should be performed when the module stack contains 3 or 4 PIMs.
NAP-200-005
Sheet 14/16
Mounting of Units and Modules
START
Referring to Figure 005-12 and Figure 005-13, insert the NFILU to BASEU and attach the NFILU with 
two screws.
Referring...

CHAPTER 3 NDA-24234
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Revision 3.0
INSTALLATION PROCEDURE
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
BASEU
SCREW
SC
RE
WS
BASEU 

NDA-24234 CHAPTER 3
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Revision 3.0
INSTALLATION PROCEDURE
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) 

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INSTALLATION PROCEDURE
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...