NEC America, Inc. reserves the right to change the specifications,
functions, or features, at any time, without notice.
NEC America, Inc. has prepared this document for use by its
employees and customers. The information c ontained herein is
the property of NEC Am erica, Inc. and shall not be reproduced
without prior written a pproval from NEC A merica, Inc.
This manual explains the system description, the hardware installation, and programming
procedure for the Wireless Communication System (WCS) on the NEAX2000 IVS2.
OUTLINE OF THIS MANUAL
This manual contains the followingchapters.
CHAPTER 1GENERAL INFORMATION
This chapter explains the WCS system outline, the equipment name and function, system
specifications, system capacity and conditions.
CHAPTER 2INSTALLATION
This chapter explains the hardware installation procedure to provide WCS interface with the
PBX.
CHAPTER 3SYSTEM DATA PROGRAMMING
This chapter explains the programming procedure to provide the WCS feature to the PBX.
CHAPTER 4CIRCUIT CARD INFORMATION
This chapterexplainsthe mountinglocation,the meaningof lamp indications,andthemethodof
switch settings of each circuit card for the WCS.
Wireless ProtocolBased on second generation wireless
telephone system standard RCR-STD-28
FCC Sub part D, UTAM complied
Distancebetween
PBX and ZT
WIRE
DIAMETER
POWER SUPPLYWCSL O CALWCSLOCALWCSLOCAL
26 AWG24 AWG22 AWG
Interfacewith
aPBX
DISTANCE
1500 ft.
(457 m)
2000 ft.
(609 m)
2000 ft.
(609 m)
3000 ft.
(914 m)
3000 ft.
(914 m)
NOTE: At Nominal Voltage of –48 V.
Analog station line interfaceAdjunct Type
(Analog Interface)
T1 or E1 interface with CCISAdjunct Type
(CCIS Interface)
3300 ft.
(1000 m)
Page 8
NEAX2000 IVS2WCS System Manual (PCS)
ND-70920 (E), Issue 1.0
SYSTEM CAPACITY
Table 1-3 WCS System Capacity
CHAPTER 1 GENERAL INFORMATION
System Capacity
CAPACITY
Description
Integrated
Adjunct
(Analog)
PS NOTE 1with PZ-M537256
without PZ-M537128
ZT128
CSI64
CSH16
PS Simultaneous
Connections NOTE 1
with PZ-M537216
without PZ-M537128
Calling Area32
ZT per Calling Area128
NO TE 1: When using a PZ-M537 card, the capacity of PSs can be expanded to 256.
NO TE 2: Calling Area is a registered area to search first for a PS location.
The calling signal is sent to the ZTs that belong to the Calling Area.
As shown in Figure 1-2, the CSH (PN-2CSIA) card uses the time slot on the basic memor y
Highway 4. Therefore, the total number of time slots for all CSH card must be 128 time slots or
less including all other application processor cards, which use the Highway 4.
Figure 1-2 Accommodation of CSH into TDSW
FOR L/TCARDS: MAX. 512 TIME SLOTS PER SYSTEM
FP0
FP1
FP2
FP3
TDSW (1024 TIME SLOTS)
DTI
CCH1 TIME SLOT/CARD
CSH
HW4
HW6
AP00
DTI
PRT
MAX. 128 TIME SLOTS
MAX. 128 TIME SLOTS
MAX. 128 TIME SLOTS
MAX. 128 TIME SLOTS
30DTI: MAX. 32 TIME SLOTS/CARD
4TIMESLOTS/CARD
1 TIME SLOT/CARD
24 DTI: MAX. 24 TIME SLOTS/CARD
25 TIME SLOTS/CARD
BASIC HIGHWAY 4: Max. 128 TIME SLOTS PER SYSTEM
EXPANDED HIGHWAY 6: MAX. 128 TIME SLOTS PER SYSTEM
FOR AP CARDS: MAX.256 TIME SLOTS PER SYSTEM
CSI
The CSI (PN-2CSIA) card uses eight L/T time slots per card.
Page 10
NEAX2000 IVS2WCS System Manual (PCS)
ND-70920 (E), Issue 1.0
CHAPTER 1 GENERAL INFORMATION
Outline of Multi-Site Roaming
OUTLINE OF MULTI-SITE ROAMING
The PBX supports the JT-Q931a protocol and JT-11582 for signaling at Q-reference point
between PBXs on the private network. By supporting this protocol, the PSs can be used in any
Calling Area on the private network.
Figure 1-3 System Outline of Multi-Site Roaming
When a PS roams over the adjoining PBX’s Calling Area
PBX APBX B
Dp Channel PrivateLine
(JT-Q931a)
ZTZT
ROAMING
PSPS
When a PS roams over other Calling Area through the relaying office
NOTE: Alsoto the relaying office (PBX C), the installation and
the data assignment for Multi-Site Roaming are required.
Page 11
CHAPTER 1 GENERAL INFORMATION
Outline of Multi-Site Roaming
System Configuration
Figure 1-4 shows the system configuration for Multi-Site Roaming.
Figure 1-4 System Configuration of Multi-Site Roaming
PUBLIC
HOME PBX
NETWORK
VISITOR PBX
PS
PS
CSI
ZT
TRK
VIRTUAL
VIRTUAL
CSH
DTI
PLO
VIRTUAL
VIRTUAL
LC
TRK
LC
TRK
Dp Channel Private Line
(JT-Q931-a)
VIRTUAL
LC
VIRTUAL
TRK
VIRTUAL
LC
VIRTUAL
TRK
TRK
CSI
CSH
ZT
DTI
PS
PLO
PS
Page 12
DCH
DBM
Roaming
The equipment in this square is required for Multi-SiteRoaming.
DCH
DBM
NEAX2000 IVS2WCS System Manual (PCS)
ND-70920 (E), Issue 1.0
CHAPTER 1 GENERAL INFORMATION
Outline of Multi-Site Roaming
Word Definition
Virtual LC:Virtual LC exists only on the system data, provided via non-hardware
supported LENs. The Virtual LC must be assigned by the system data
programming for operating Home PSs and Visitor PSs used for MultiSite Roaming, together with the Virtual TRK.
Virtual TRK:Virtual TRK (trunk) exists only on the system data, provided via non-
hardware supported LENs. The Virtual TRK must be assigned by the
systemdataprogrammingforoperating Home PSs andVisitorPSsused
for Multi-Site Roaming, together with the Virtual LC.
Individual PS number:Individual PS number i s assigned to a PS to identify the PS on the
Roaming network. It must be an unique number in the network.
Network ID method:Network ID method is one method to operate Multi-Site Roaming. A
Roaming PS must have two SYS-ID on the Network ID method. One is
main SYS-ID for Home PBX, and another is Network ID for Roaming
network. The Network ID is used to define whether the PS can operate
under the control of PBXs on the Roaming network. The Network ID
must be the same for all PBXs within the same network.
Visitor PBX:When a PS leaves control of a PBXto which it belongs originally, and is
operating in a zone of another PBX, the PBX is called Visitor PBX.
Visitor PS:When a PS leaves control of a PBX to which it belongs o riginally, and is
operating in a zone of another PBX, the PS is called Visitor PS.
Home PBX:Home PBX is a PBX to which a PS ordinarily belongs.
Home PBX ID:Home PBX ID is a unique number to identify the PBX on the Roaming
network.
Home PS:When a PS operates under control of a PBX to which the PS originally
belongs, the PS is called Home PS.
Roaming number:Roaming number is assigned to a Visitor PS temporarily, when the PS
is roaming to a Visitor PBX. The actual Roaming number is Virtual LC
station number assigned as a pilot station of Station Hunting group on
the Visitor PBX.
HLR:Home Location Register. A database to store the location r egistration
data of the Home PS.
VLR:Visitor Location Register. A database to store the location registration
data of the Visitor PS temporaril y, when the Visitor PS is in the zone of
another PBX.
System Operation Summary
• PS Location Registration
(1) In the zone of the Visitor PBX, the Visitor PS requests the Visitor PBX for location
registrationof its own.
(2) The Visitor PBX analyzes the number sent from the Visitor PS and detects the Home
PBX of Visitor PS.
(3) The Visitor PBX inquires of the Home PBX about the profiles; various data which is
assigned to the PS for the operation as a Visitor PS.
(4) The Home PBX analyzesthenumberincludedwiththe inquiry and detects whether the
Visitor PS is one of the Home PS of its own.
If the Visitor PS is detected as a PS which belongs to another PBX, the PBX forwards
the inquiry to the corresponding route.
(5) If the V isitor PS is detected as a Home PS,theHome PBX sends the Visitor PS profiles
to the Visitor PBX.
(6) The Visitor PBX confirms the profiles sent from the Home PBX, and determines the
Roaming number for the Visitor PS.
The actual Roamingnumberis Virtual LC station number assigned as a pilot station of
Station Hunting Group on the Visitor PBX.
(7) The Visitor PBX registers the profile data of the Visitor PS to the VLR.
(8) Then notifies the completion of registration to the Home PBX. The notification contains
the Roaming number determined.
(9) The Home PBX receives the notification and stores the Roaming number to the HLR.
(1) The Home PBX receives the call from another PBX and sends to a Home PS.
(2) The Home PBX refers the HLR informationof the PS.
(3) From the Roaming number contained in the HLR information, the Home PBX detects
whether the Home PS is roaming.
(4) The Home PBX inquires of the Visitor PBX about the call t ermination to the Visitor PS.
The inquiry c ontains the roaming data of the Visitor PS, such as Roaming number and
Individual PS number.
(5) he Visitor PBX analyzes the Roaming number and refers to the VLR information of the
Visitor PS in accordance with the Individual PS number.
(6) The Visitor PBX confirms the VLR information.
(7) The Visitor PBX terminates the call to the Visitor PS.
(2) Referring HLR
HLR
(3) Interpreting the
location of the PS
Figure 1-6 CallTermination
X
B
P
r
e
h
t
HOME PBX
C
)
1
(
a
o
n
a
m
o
r
f
l
l
Q931a Digital Line
(4) Call termination inquiry
VISITOR PBX
(5) Referring VLR
VLR
(6) Confirming VLR
(7) Call Termination
VISITOR
PS
Page 16
NEAX2000 IVS2WCS System Manual (PCS)
ND-70920 (E), Issue 1.0
CHAPTER 1 GENERAL INFORMATION
Outline of Multi-Site Roaming
Service Conditions
(1)Trunk
• Multi-Site Roaming can be executed only on trunk connection between PBXs based on JTQ931a protocol.
• To each trunk route of JT-Q931a trunks, it can be specified whether Multi-Site Roaming is
provided or not.
• The JT-Q931a trunks can be used by single line telephone stations and D
originating or receiving calls in the same manner as common trunks.
(2)Data Base M odule
• The Data Base Module (DBM) card (PN-AP00-A) is required per PBX.
• The DBM card cannot be used as billing application processor (for SMDR, MCI, PMS, or
Hotel printer).
• Systemdatastored in the memory of theDBMcardcanbesaved,loaded,and verified from
a MAT. (Memory Area No.:A, Memory Address: 00900-10870, File Extension: DMA)
• A Roaming network consists of maximum 512 PBXs.
• Visitor Location Register (VLR) information for maximum 512 Visitor PSs can be recorded
to a system.
VLR informationisthe variousinformation of Visitor PS and is made in the memory of DBM
on the Visitor PBX when the PS is roaming.
When theVLRinformation exceedsfor morethan 512PSs,DBMoverwritestheoldestVLR
information.
term
stationsfor
(3)Home PS/Visitor PS
To use the PSs for Multi-Site Roaming, the following items must be assigned to the PSs:
- SYS-ID; SYS-ID of Home PBX.
- PS-ID; A unique number for identifying the PS.
- Individual PS number; The same number with the Home PBX ID.
- Extension number; The same number with the Individual PS number.
- Network ID; It must be assigned when the Roaming network adopts Network ID methods.
- Home PBX ID; A unique number for identifying the PBX on the Roaming network.
You must wear a grounded wrist strap to protect circuit cards from static electricity.
Figure 2-1 Static Electricity Guard (1 of 2)
WHEN PLUGGING/UNPLUGGING A CIRCUIT CARD
•
PBX
•WHEN
FRAME GROUND SCREW
WRIST STRAP
HOLDING A CIRCUIT CARD
NEVER TOUCH THE COMPONENTS OR
SOLDERED SURFACE WITH BARE HANDS.
CARD FRONT
Page 20
NEAX2000 IVS2WCS System Manual (PCS)
ND-70920 (E), Issue 1.0
Figure 2-1 Static Electricity Guard (2 of 2)
• WHEN MAKING A SWITCH SETTING ON A CIRCUIT CARD
CIRCUIT
CARD
WEAR A WRI ST STRAP AND PERFORM
THE WORK ON A GROUNDED
CONDUCTIVE WORK SURFACE.
• WHEN CARRYING A CIRCUIT CARD
CHAPTER 2 INSTALLATION
Precautions
CIRCUIT
CARD
CONDUCTIVE
POLYET HYLE NE
BAG
WHEN CARRYING A CIRCUIT
CARD AROUND, KEEP THE
CARD IN A CONDUCTIVE
POLYET HYLE NE BAG.
The mark shown below is attached to the sheet for the work in which circuit cards are handled.
When engaging in such work, the installer must be careful not to cause damage by static
electricity.
You must hold the edge of a circuit card when plugging or unplugging the circuit card. If you
touch another area, you may be exposed to hazardous voltages.
PBX
NEVER TOUCH THE COMPONENTS OR
SOLDEREDSURFACE WITH BARE HANDS.
CARD FRONT
Page 22
NEAX2000 IVS2WCS System Manual (PCS)
ND-70920 (E), Issue 1.0
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