NEC Neax 2400 Imx Circuit Card Manual

							CHAPTER 3 ND-70182 (E)
Page 226
Revision 4.0
PA - C S 3 3
Attendant Interface
Figure 3-43 shows how to connect Desk Console.
Figure 3-43   Desk Console Connection
Power supply and the maximum distance between the ATI and Desk Console. 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 1,148 ft. (350 m) 1,640 ft. (500 m)
Local Power Supply 3,937 ft. (1,200 m) 4,921 ft. (1,500 m)
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
2LEAD
NAME
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
507
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25 BN4800
BN4820
BN4810
BN4830
B0
B3BN4801
BN4821
BN4811
BN4831
A0
A3
PA-CS33 Pin Assignment
G
B1A1 GND
- 48 V
A1
B1
GND
- 48 VB2 A2Add-on for 
Console 0
Console 0
Console 1
Console 1Add-on for 
Note:GND wires should be connected to PZ-M77. (BASE-U) 
						

							ND-70182 (E) CHAPTER 3
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PA - C S 3 3
Attendant Interface
If the distance exceeds above, estimate it according to the calculations shown in Figure 3-44.
Figure 3-44   Distance between PBX and Modular Rosette of Desk Console
A
B
BN4830
BN4831
GND
GND A3
B3
BN4830
BN4831A2
B2
BN4820
BN4821A
B
BN4820
BN4821
GND
GND
ATI PBX
GND
(PZ-M377)Installation
Cable
MDF IDF
(-48V)
(-48V)
6-pin Modular
rosette
6-pin Modular
Cable#0 DESK
CONSOLE
#1 DESK
CONSOLE
ABm
C 
						

							CHAPTER 3 ND-70182 (E)
Page 228
Revision 4.0
PA - C S 3 3
Attendant Interface
Calculation of the distance between the ATI circuit card and Modular Rosette
The distance M in the figure above 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 of A
b: Direct-Current resistance of power supply cables (-48V and GND) in the range of B
c: Direct-Current resistance of power supply cables (-48V and GND) in the range of C
Example of Calculation
a, b, and c are calculated by the following formulae:
Note:You are not required to use cable lengths in meters in the following formulae. You may use cable lengths in
feet, yards, or whatever units you prefer. However, the units of resistance you use must match the units of
length you use. For example, if you use distance in feet, you must also use DC resistance per foot.
Cable resistance of DC -48V cables Cable resistance on GND cables
u (Ω/m) × x (m) u (Ω/m) × x (m)
a =  +
21
No. of DC -48V cables No. of GND cables
Cable resistance of DC -48V cables Cable resistance on GND cables
v (Ω/m) × y (m) v (Ω/m) × y (m)
b =  +
22
No. of DC -48V cables No. of GND cables
Cable resistance of DC -48V cables Cable resistance on GND cables
w (Ω/m) × z (m) w (Ω/m) × z (m)
c =  +
22
No. of DC -48V cables No. of GND cables
u : DC resistance per meter in the range of A (Ω/m)
v : DC resistance per meter in the range of B (Ω/m)
w : DC resistance per meter in the range of C (Ω/m)
x : Cable length (m) in the range of A 
y : Cable length (m) in the range of B 
z : Cable length (m) in the range of C <
= 
						

							ND-70182 (E) CHAPTER 3
Page 229
Revision 4.0
PA - C S 3 3
Attendant Interface
The location of the LT connector leads for the TAS interface is as shown in Figure 3-45.
Figure 3-45   LT Connector Lead Location (PIM)
Mounting ModulePIM
23222120191817161514131211100908070605 0403020100
LT6 LT7 LT8 LT9 LT10LT0 LT1 LT2 LT3 LT4LT5
19 15
18 14
17 13
16 1223 19 15
22 18 14
21 17 13
20 16 12 11 09 07 05 03 01
10 08 06 04 02 00 11 09 07 05 03 01
10 08 06 04 02 0023
22
21
20
ATI
Group No.
Slot No.
PIM
LT11
ATI
26272829303132333435363738394041
1234567891011121314151642434445464748
1718192021222349502425
TAS1A
TAS0A TAS1B
TAS0B
LT5, 11 connector 
						

							CHAPTER 3 ND-70182 (E)
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PA - C S 3 3
Attendant Interface
7. Switch Setting Sheet
SWITCH NAME SWITCH SHAPE REMARKS
SW00
SW01
SW10 (TAS #0)
SW13 (TAS #1)
SW11 (TAS #0)
SW12 (TAS #0)
SW14 (TAS #1)
SW15 (TAS #1)
SW16
SW17
ON
ON
OFF
1234ON
1234ON
ON
OFF
ON
OFF
ON
OFF
ON
OFF
1234ON5678
1234ON5678 
						

							ND-70182 (E) CHAPTER 3
Page 231
Revision 4.0
PA-16LCBW
Line Circuit
PA-16LCBW
Line Circuit
1. General Function
The PA-16LCBW circuit card provides an interface between a maximum of 16 analog voice terminals and
the system with a range of 1200 (0hm) inclusive of terminal resistance. This card also can send “Stutter
Dial Tone,” which is not a continuous tone, to an associated terminal which has no Message Waiting Lamp
(MWL) instead of activating the MWL if required. In addition, momentary open/reverse battery function
is provided for 16 channels on this card. This is a -48V card.
Figure 3-46   Location of PA-16LCBW (LC) within the System
 
max. 1200 [Ω]COTINT SW
GT
Local I/O Bus (PA-16LCBW) C. O. lineLoop Resistance: Max. 1200 [Ω] (inclusive of 
terminal Resistance)
Open Function: x 15 circuits
Reverse / Open Function: x 1 circuit (selectable)
Stutter Dial Tone/Message Waiting Lamp (selectable)
Encoding Law: µ-law •
•
•
•
•
PUBLIC
NETWORK
Analog Terminal
CPULC 
						

							CHAPTER 3 ND-70182 (E)
Page 232
Revision 4.0
PA-16LCBW
Line Circuit
2. Mounting Location/Condition
The PA-16LCBW (LC) circuit card can be mounted in the following universal slots.
Note: Indicates universal slots for line/trunk circuit cards.
3. Face Layout of Lamps, Switches, and Connectors
The face layout of lamps, switches on this circuit card is shown in Figure 3-47.
Figure 3-47   Face Layout of PA-16LCBW (LC)
PIMMounting Module
00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23
OPE
BL15
BL0 SW00 (MB)
SW10 SW16SW11 SW14 SW17SW18
SW15 
						

							ND-70182 (E) CHAPTER 3
Page 233
Revision 4.0
PA-16LCBW
Line Circuit
4. Lamp Indications
The contents of lamp indications of this circuit card are shown in the table below.
LAMP NAMELAMP
COLORLAMP STATUS MEANING OF INDICATION
OPE Green Steady Lighting The circuitry of the circuit card is operating normally.
BL0
BL15GreenSteady Lighting Line loop exists.
Flashing1) Ringing signal is being transmitted. Busy Lamp keeps flashing in 
synchronizing with on/off of the ringing signal.
2) Dial pulses are being received. While dial pulses from a line are 
being received, Busy Lamp keeps flashing in synchronizing with 
the dial pulses coming from the line.
3) Line is in make-busy state.
Busy Lamp keeps flashing at 60 ipm.
~ 
						

							CHAPTER 3 ND-70182 (E)
Page 234
Revision 4.0
PA-16LCBW
Line Circuit
5. Switch Settings
Switches on the PA-16LCBW card have the following meanings.
Note:Compromise Impedance (EIA/TIA-464B) and 600Ω. 
(For North America, Other Country (µ Law))
SWITCH FUNCTION SWITCH SETTING MEANING
SW00
(MB)
Circuit Card 
Make-busy KeyON Circuit card make-busy
OFFCircuit card make-busy cancel
(normal operating mode)
SW10
(BNW0-7)
Balancing Net-
work Designation
 Each element on 
this switch corre-
sponds to circuit 
#0-#7.ONNorth America, Other Country (µ Law)
BNW: Compromise Impedance
 (EIA/TIA-464A) (Note) 
for long distance.
OFFNorth America, Other Country (µ Law)
 BNW: 600 
Ω  (Note) 
 for short distance
ON OFF
1   2   3   4   5   6    7  8ON
OFF
350   1000   
0.21 
Compromise Impedance (EIA/TIA-464B)   600    
						

							ND-70182 (E) CHAPTER 3
Page 235
Revision 4.0
PA-16LCBW
Line Circuit
SWITCHSWITCH
No.FUNCTIONSWITCH 
SETTINGMEANING
SW11
(BNW8-15)Balancing Network 
Designation
 Each element on this 
switch corresponds 
to Circuit #8-#15.(This same as previous page)
SW14 1 OFF Fixed to OFF
2 ON Fixed to ON
3OFFFixed to OFF
4OFFFixed to OFF
SW15 1 OFF Fixed to OFF
2ON Stutter Dial Tone Available
OFF Stutter Dial Tone not Available
3OFFFixed to OFF
4OFFFixed to OFF
1   2   3   4   5   6    7  8ON
OFF
 1   2   3   4ON
OFF
 1   2   3   4ON
OFF