NEC Neax 2400 Imx Installation Manual

NDA-24234 CHAPTER 3
Page 51
Revision 3.0
INSTALLATION PROCEDURE
This NAP explains the procedure for securing the Base Unit onto the floor directly or using special stand.
1. INSTALLING THE BASE UNIT DIRECTLY ONTO THE FLOOR
Figure 004-1  Mounting the Base Unit on an Ordinary Floor
NAP-200-004
Sheet 1/3
Installation of the Base Unit
START
Securing the Base Unit Secure the Base Unit onto the floor as per Figure 004-1 and 
004-2.
When the floor elevation is in use, secure the Base Unit by 
referring to...

CHAPTER 3 NDA-24234
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Revision 3.0
INSTALLATION PROCEDURE
Figure 004-2  Mounting the Base Unit on a Free-Access or Computer Floor
Figure 004-3  Mounting the Base Unit on a Free-Access or Computer Floor via Elevation
NAP-200-004
Sheet 2/3
Installation of the Base Unit
BOLT
BASE UNIT
FREE-ACCESS 
FLOOR
FLAT WASHER
COMPRESSED PIPE
FLAT WASHER
CONCRETE 
FLOOR
ANCHOR BOLT
Example: The floor elevation is higher 
than 150 mm (5.9 inches).
FLOOR ELEVATION
BASE UNIT
FREE-ACCESS 
FLOOR 

NDA-24234 CHAPTER 3
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Revision 3.0
INSTALLATION PROCEDURE
2. INSTALLING THE BASE UNIT USING A SPECIAL STAND
Figure 004-4  Setting the BASEU via Special Stand
NAP-200-004
Sheet 3/3
Installation of the Base Unit
START
Securing the Base Unit Secure the Base Unit onto the special stand as per Figure 004-4.
Level  Check Check the level of the Base Unit. If necessary, adjust the level by 
inserting spacers beneath the Base Unit.
END
LOCK WASHERBOLT
PLAIN WASHERBASEU
SPECIAL STAND 

CHAPTER 3 NDA-24234
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Revision 3.0
INSTALLATION PROCEDURE
1. MOUNTING OF UNITS AND MODULES
Figure 005-1  Procedure for Mounting Units and Modules
NAP-200-005
Sheet 1/16
Mounting of Units and Modules
START
ENDMounting of Modules, FAN 
BOX and TOPUMount modules, FAN BOX and TOPU for each cabinet, by 
referring to the Figure 005-1.
(TOPU)
Tighten these screws.
Do the same at the rear
side, too. 
(PIM3)
Tighten these screws.
Do the same at the rear
side, too.
(PIM2)
Tighten these screws.
Do the same at...

NDA-24234 CHAPTER 3
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Revision 3.0
INSTALLATION PROCEDURE
2. INSTALLATION OF FANU
Location of FANU (PZ-M369 and three electronic FANs) is shown in Figure 005-2. Depending on your system con-
figuration, mount the FANU in the proper position.
Figure 005-2  Locations of FANU
NAP-200-005
Sheet 2/16
Mounting of Units and Modules
/ / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / 
NECNEAX 2400 IMSTOPU
NECNEAX 2400 IMSTOPU
FAN...

CHAPTER 3 NDA-24234
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Revision 3.0
INSTALLATION PROCEDURE
3. PROCEDURE FOR FANU ON THE TOPU
When any IMG is configured by two PIMs or less, the FANU is mounted as shown in Figure 005-3. Because the
FANU is already mounted on the TOPU of the cabinet, perform STEP 4 through STEP 7 only, excepting a special
case (STEP 1 through STEP 3 are not required in the normal cases).
STEP 1: Referring to Figure 005-3, mount the three FANs onto the FAN Mounting Plate. Then, fasten every
four screws.
STEP 2:...

NDA-24234 CHAPTER 3
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INSTALLATION PROCEDURE
STEP 4: Fix a FAN fuse (5.0A) onto the PZ-M369.
Figure 005-4  Attachment of FAN Fuse (PZ-M369)
STEP 5: Connect the FAN cables as shown in Figure 005-5 and Figure 005-6.
STEP 6: 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 4 through STEP 6, must be performed at each PBX cabinet adopting 1-PIM or 2-
PIM configuration.
NAP-200-005
Sheet 4/16
Mounting...

CHAPTER 3 NDA-24234
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Revision 3.0
INSTALLATION PROCEDURE
Figure 005-5  Cable Connections for FANU on TOPU
NAP-200-005
Sheet 5/16
Mounting of Units and Modules
PBX
NECNEAX 2400 IMS
NEAX 2400 IMSNEC
. ..
. ..
TH0 TH1 TH2 FAN FC0 FC1 FC2 TALM0
FA NNote 1
Note 2
TALM
PZ-M369
THM
TOPU
FANU
TOPU (Top View)
ATTENTIONContents
Static Sensitive
Handling
Precautions Required
Note 1:For details on the “FA N” connector (PIM backplane), refer to Figure 005-6.
Note 2:For details on the “TALM” connector (TOPU...

NDA-24234 CHAPTER 3
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INSTALLATION PROCEDURE
Figure 005-6  Connection of “FA N” Connector Cable (TOPU-PIM)
NAP-200-005
Sheet 6/16
Mounting of Units and Modules
PBXTOPU
PIM
(FAN)
(FAN)
  TALM1   TALM0
  TH1   TH0   FC0   FC1   FC2  FAN
PZ-M369
ATTENTIONContents
Static Sensitive
Handling
Precautions Required
  TH2ON
OFF
Auto 

CHAPTER 3 NDA-24234
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INSTALLATION PROCEDURE
Figure 005-7  Attachment of the Top Cover
NAP-200-005
Sheet 7/16
Mounting of Units and Modules
NEAX 2400 IMSNEC
Top Cover
TOPU
PIM
Mount the Top Cover onto the TOPU.
Then, fasten the four screws by using 
the Phillips screwdriver.