NEC Neax 2400 Ipx Installation Manual

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10.  C ROSS CONNECTIONS FOR DIG ITAL INTE RFACES
To  use  d igi tal  i n te rfac es,  th e  sy stem  r e q ui res  the  Ph ase  Lock  Osc il la tor  (m aste r/sl ave ), wh ic h  is av ailab le  on t he
d ed ica te d  cir c u it  ca rd, PH-CK1 7-A /PH-CK16 -A. Acc ord ing  to S ect ions  10.1  a nd  10.2 , p erform n ece ss a ry  cro ss
c onn ect ions  at  the  MDF.
Note:  PH-CK17 -A is  av ailab le on ly  in  IS W ,  wh ic h  is  des igna ted  as  the  c...

CHAPTER 3 NDA-24306
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Figure 014-14  PLO Pin Assignment for Receiving Clock (ISW)
NAP-200-014
Sheet 22/27
Cable Termination and Cross 
Connections from MDF to Peripheral 
Equipment, C. O. Lines, and Tie Lines
PLO input leads appear on the LT connectors labeled EXCLK0 and EXCLK1.
 PLO mounting slots
PLO card is mounted in slots 09 and 13 of ISWM.
 LT cable connectors
Connect LT cables to the connectors labeled “EXCLK0” and “EXCLK1”
on the ISWM backplane.
 EXCLK0/EXCLK1 connector Pin...

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Figure 014-15  Cable Connection Diagram (ISW) for Distributing Clock from Digital Interface
NAP-200-014
Sheet 23/27
Cable Termination and Cross 
Connections from MDF to Peripheral 
Equipment, C. O. Lines, and Tie Lines
This figure shows an example of distributing clock from a digital interface. This example also assumes that the
Digital Trunk POUT leads are used as the 1st clock distribution route.
Note 1:PLO has a maximum four inputs. DIU0xx leads are used for...

CHAPTER 3 NDA-24306
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Figure 014-16  Cable Connection Diagram (ISW) for Accepting Synchronization
Clocks from an External High-Stability Oscillator
NAP-200-014
Sheet 24/27
Cable Termination and Cross 
Connections from MDF to Peripheral 
Equipment, C. O. Lines, and Tie Lines
 Cable Connection Diagram
Provide the following wirings at the MDF. The following connection diagram shows an example where the system
has the PLO cards in a dual configuration.
Note:This diagram shows connections...

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10 .2  C ross Co nnect ions  for  D igi tal  Inte rfaces  ( LN)
U sua ll y,  ea ch LN a cce pts  c lock  signa ls  fr o m  P L O  of  IS W via  t h e  ext ern al I S W-LN PLO CA -n c abl es  (S ee  Fi g-
u re  “DCS  Con nec tio n s” ). Ho wev er,  if  t h e node  re q u ir es a  spare  clock  b y an  E xter nal  High  Sta b il ity  Osc ill a to r
f or eme rgen cy,  perform  the fo ll o w ing  cr oss con nec ti o n s  as we ll:
Note:  Pro vid e  the n ece...

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Figure 014-17  LT Connector Lead Accommodation of PLO (ISW-LN0)
NAP-200-014
Sheet 26/27
Cable Termination and Cross 
Connections from MDF to Peripheral 
Equipment, C. O. Lines, and Tie Lines
MDF
To Digital Interface
1
2
3
4
5
6
7
8
9
10
11
12
13E
E
DIU3A
DIU2A
DIU1A
DIU0AFM1
FM0
DIU3B
DIU2B
DIU1B
DIU0B 26
27
28
29
30
31
32
33
34
35
36
37
38
Installation Cable
 DCS Connections
DIU Connections ISWM
TSWM0
TSWM1
PLO-CLK CA-A ISW-LN PLO CA-A
CLK10
(Slot No.12)CLK00...

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Figure 014-18  Cable Connection Diagram (LN) for Distributing Clock from a Digital Interface
NAP-200-014
Sheet 27/27
Cable Termination and Cross 
Connections from MDF to Peripheral 
Equipment, C. O. Lines, and Tie Lines
This figure shows an example of distributing clock from a digital interface in LN0. This example also assumes that
the Digital Trunk POUT leads are used as the 1st clock distribution route.
Note 1:PLO has a maximum of four inputs. DIU0xx leads are...

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This NAP explains the installation of the DESK CONSOLE and Cable Connection. Figure 015-1 shows the outer
view of the DESK CONSOLE. Use the PA-CS33 (ATI) card as an interface card between the system and the DESK
CONSOLE. The card can connect a maximum of two DESK CONSOLEs.
Figure 015-1  Outer View of DESK CONSOLE
NAP-200-015
Sheet 1/41
Installation of the DESK CONSOLE and 
Cable Connection
START
Cable running Referring to Figures 015-2 through 015-5, run the...

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NAP-200-015
Sheet 2/41
Installation of the DESK CONSOLE and 
Cable Connection
Installation of Recording 
Equipment (Optional)Referring to Figures 015-9 through 015-12, install optional 
Recording Equipment.
Connection of AC-DC Adapter 
(Optional)Referring to Figure 015-13, mount optional AC-DC adapter to 
DESK CONSOLE in the case of local power supply.
Mounting of Add-On Console 
(for Hotel system)For the Hotel system, mount Add-On Console to DESK 
CONSOLE...

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Figure 015-2  Cable Connection Diagram for DESK CONSOLE
NAP-200-015
Sheet 3/41
Installation of the DESK CONSOLE and 
Cable Connection
To connect DESK CONSOLE(s), the PA-CS33 card is used as the interface card. The card may be mounted
in slot No.12 or in slot No.23. The leads appear on LT5 and LT11 respectively. However, when replacing At-
tendant Console with DESK CONSOLE, the leads appear on the LT connector on the ATT TERM (See 
Note
on the next page).
...