NEC Neax 2400 Ipx Installation Manual

NDA-24306 CHAPTER 3
Page 223
Revision 1.0
Note:When replacing Attendant Console with DESK CONSOLE, follow the procedure below:
(a) Turn OFF the PWR card in the PIM.
(b) Remove installation cables connected to ATT0, ATT1 and LT connectors on the ATT TERM.
(c) Remove installation cables connected to the following connectors:
 RLT connector on the ATT TERM
 ATI0 and LT5, ATI1 and LT11 connectors on the PIM
(d) Install DESK CONSOLE using the LT connector on the ATT TERM.
(e) Turn ON the PWR card in the...

CHAPTER 3 NDA-24306
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 Cable Connection Diagram
a) When the power is supplied from the PBX
Figure 015-3  Cable Connection Diagram (When the power is supplied from the PBX)
When exceeding the distance above, calculate the distance referring to instructions on the next page.
NAP-200-015
Sheet 5/41
Installation of the DESK CONSOLE and 
Cable Connection
The maximum distance between the ATI circuit card and DESK CONSOLE is as shown below. 
Source 0.5 φ Cable 0.65  φ Cable
PBX 350 m (1148...

NDA-24306 CHAPTER 3
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Revision 1.0
Calculation of the distance between the ATI circuit card and Modular Rosette
The distance M in Figure 015-3 is determined according to the Direct-Current resistance of power supply cables 
(–48V and GND). Note that the maximum resistance is 26 Ω as shown in the following formula:
M = a + b + c ≤ 26 Ω
M: Maximum Direct–Current resistance between the ATI circuit card and Modular Rosette
a: Direct-Current resistance of power supply cables (–48V and GND) in the range...

CHAPTER 3 NDA-24306
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Revision 1.0
b) When using Local Power Supply Note
Note:
When using local power supply, DESK CONSOLE cannot be used in case of power failure.
Figure 015-4  Cable Connection Diagram (When using Local Power Supply)
NAP-200-015
Sheet 7/41
Installation of the DESK CONSOLE and 
Cable Connection
The maximum distance between the ATI circuit card and DESK CONSOLE is as shown below. 
Source 0.5φCable 0.65φCable
Local Power Supply 1,200 m (3937 ft.) 1,500 m (4921 ft. 3 in.)
A2
PBX
AT...

NDA-24306 CHAPTER 3
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Revision 1.0
Figure 015-5  Cable Connection Diagram for DESK CONSOLE Modular Block
NAP-200-015
Sheet 8/41
Installation of the DESK CONSOLE and 
Cable Connection
Wire the cables to the Modular Block as shown below.
Bottom View
DESK CONSOLE
PA G E
(8-core)LINE
(6-core)REC
(8-core)
6-core Modular Cable6-core Modular BlockIDF/MDF
DESK CONSOLE
TransformerSurge
Protection
DC/DC
ConvertorGND
–48V/–24V
Desk Console
Modular Jack6-core Modular Cable
PIN
No.
26
27LEAD
NAMEPIN
No.
1...

CHAPTER 3 NDA-24306
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Revision 1.0
 Mounting of Headset (Optional)
The Headset cable is connected to one of the modular jacks (HAND H/S 0 or H/S 1) on the bottom of DESK
CONSOLE.
Figure 015-6  Headset
NAP-200-015
Sheet 9/41
Installation of the DESK CONSOLE and 
Cable Connection
Voice Tube
Note:In daily use, use Quick Disconnect when connecting/disconnecting the Headset.
Slide
Closing
Clip
Quick Disconnect
PIN1 TX
2 RX
3 RX
4 TX
PIN1
(+)
(–)
Modular Plag Note
Slide
Ear Pad
Slide
Head Band
Capsule...

NDA-24306 CHAPTER 3
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Revision 1.0
 Mounting of Handset (Optional)
The Handset cable is connected to the modular jack (HAND H/S 0) on the bottom of DESK CONSOLE.
a) When mounting at the left side of DESK CONSOLE (Standard)
Figure 015-7  Mounting of Handset (Left side of DESK CONSOLE)
NAP-200-015
Sheet 10/41
Installation of the DESK CONSOLE and 
Cable Connection
1. Put the Handset code through the hole as shown below.
(DESK CONSOLE side)
(Handset side) Handset code
Hole
Side View
L1 L2 L3
L4 L5...

CHAPTER 3 NDA-24306
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Figure 015-7  Mounting of Handset (Left side of DESK CONSOLE) (Continued)
NAP-200-015
Sheet 11/41
Installation of the DESK CONSOLE and 
Cable Connection
2. Connect the Handset code to HAND H/S0 connector as shown below (H/S1 is not used for the Handset).
Bottom View of DESK CONSOLE
Top ViewBottom View
Hand
H/S0
H/S1Handset code 

NDA-24306 CHAPTER 3
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Revision 1.0
Figure 015-7  Mounting of Handset (Left side of DESK CONSOLE) (Continued)
NAP-200-015
Sheet 12/41
Installation of the DESK CONSOLE and 
Cable Connection
Mount the Handset Support to DESK CONSOLE with three screws as shown below.
Handset Supportprojection
projection 

CHAPTER 3 NDA-24306
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b) When mounting at the right side of DESK CONSOLE
Figure 015-8  Mounting of Handset (Right side of DESK CONSOLE)
NAP-200-015
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Installation of the DESK CONSOLE and 
Cable Connection
2.  Put the Handset code through the hole as shown below. 1. Remove the metal plate from the Handset, turn it over, and mount it to the Handset again.
      Refer to the figure below.
Handset
Metal PlateWhen mounting at the right sideWhen mounting at the left side Turn the...