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 custome rs. The information contained herein is
the property of NEC America, Inc. and shall not be reproduced
without prior written approval from NEC America, Inc.
NEAX2000 IVS2 ISDN System Manual
ND-70919 (E), Issue 1.0
Page v
This page is for your notes.
Page viND-70919 (E), Issue 1.0
NEAX2000 IVS2 ISDN System Manual
INTRODUCTION
Purpose
INTRODUCTION
PURPOSE
This manual describes the hardware installation and programming procedure for the ISDN
service on the NEAX2000 IVS2.
OUTLINE OF THIS MANUAL
This manual contains the following chapters:
CHAPTER 1GENERAL INFORMATION
This chapter explains the ISDN system outline, the equipment name and function, system
specifications, capacity, and conditions.
CHAPTER 2INSTALLATION
This chapter explains the hardware installation procedure to provide ISDN interface to the PBX.
CHAPTER 3SYSTEM DATA PROGRAMMING
This chapter explains the programming procedure to provide the ISDN feature to the PBX.
CHAPTER 4CIRCUIT CARD INFORMATION
This chapter e xpla ins the mou nting loca tion, the m eaning of lam p indica tions , and the method o f
switch settings of ea ch circuit card f o r the ISDN syst em.
CHAPTER 5OPERATION TEST
This chapter e xplains the operation t est to be perf ormed after completion of the ISDN install ation.
For fault diagnosis by MAT or CAT, refer to the M ai ntenance Manual.
NEAX2000 IVS2 ISDN System Manual
ND-70919 (E), Issue 1.0Pa ge 1
operation, command function, and setting data required for
programming the system an d Resident System Program.
Office Data Programming ManualContains the Customer Specification Sheets and Office
Data Programming Sheet s.
Maintenance ManualDescribes the maintenance service features and the
recommended troubleshooting proce du re.
Installation Procedure ManualDescribes the installation procedure for the PBX system.
CCIS System ManualDescribes the installation and programming procedure for
the CCIS system.
Page 2ND-70919 (E), Issue 1.0
NEAX2000 IVS2 ISDN System Manual
CHAPTER 1
GENERAL INFORMATION
This chapter explains the ISDN system outline, the equipment name
and function, system specifications, cap acity, and conditions.
NEAX2000 IVS2 ISDN System Manual
ND-70919 (E), Issue 1.0
Page 3
CHAPTER 1 GENERAL INFORMATION
System Outline
SYSTEM OUTLINE
This system can be interfaced with an ISDN with the Primary Rate Interface or the Basic Rate
Interf ace at the reference point S/T and ISDN Terminal.
System Outline of ISDN-PRI
The system is configured with a 24/30-channel Digital Tr unk Interface (DTI) for digital network
interface, D Channel Handler (DCH) for receiving/transmitting D channel signaling data from/to
the ISDN exchange. Since the Main Processor (MP) contains Phase Locked Oscillator (PLO),
the system can be synchronized to the ISDN as a clock receiver office.
Figure 1-1 shows the system outline of ISDN-PRI.
Figure 1-1 System Outline of ISDN-PRI
SLT
D
term
LC
DLC
DCH
FP
PBX
TDSW
MP
(PLO)
23B/30B
D
DTI
/PRT
1.5 M/2 M PCM
DIGITAL LINE (23B/30B + D)
CLOCK
SIGNAL
DCH: D Channel Handler
DTI : Digital Trunk Interface
NT1 : Network Termination One
PLO: P hase Locked Oscillator
PRT: P r imary Rate Interface Trunk
NT1
ISDN
NOTE 1: NT1 equipment must be installed in the premise.
NOTE 2: The PRT provides a built-in DCH.
Page 4ND-70919 (E), Issue 1.0
NEAX2000 IVS2 ISDN System Manual
CHAPTER 1 GENERAL INFORMATION
System Outline
System Outline of ISDN-BRI
The system is configured with a Basi c Rate Interface Trunk (BRT) f or the digital netw ork interface .
Since the MP contai ns PLO, the system can be synchronized to the ISDN as a clock receiver
office.
NOTE: NT1 equipment must be installed in the premise.
NEAX2000 IVS2 ISDN System Manual
ND-70919 (E), Issue 1.0
Page 5
CHAPTER 1 GENERAL INFORMATION
System Outline
System Outline of ISDN-VPN
The Virtual Private Network (VPN) is a service which provides an interoffice private line via an
ISDN network.
When you dial a station number (Called Par ty Subaddress), the system sends a pre-assigned
office number of a cal led p arty toget her with the Cal led Par ty Suba ddre ss to an I SDN net work .
With this function, an inter o ffi ce call can b e ma de by only dialing a station number (Calle d Party
Subaddress).
Figure 1-3 shows an example of using the VPN.
Figure 1-3 Example of ISDN-VPN (1 of 2)
• When an opposite office can interface with the ISDN network
Calling Party
Dial 1234
PBX
A
0345678910 (Office No.)
1234 (Called Party Subaddress)
ISDN
PBX
B
(034567-8910)
Called Party
Station No. 1234
Page 6ND-70919 (E), Issue 1.0
NEAX2000 IVS2 ISDN System Manual
CHAPTER 1 GENERAL INFORMATION
Figure 1-3 Example of ISDN-VPN (2 of 2)
• When an opposite office cannot interface with the ISDN network
System Outline
Calling Party
Dial 1234
PBX
A
0345678910 (Office No.)
1234 (Called Party Subaddress)
ISDN
PBX
Tie Line
B
(034567-8910)
1234
Station No. 1234
Called Party
C
NEAX2000 IVS2 ISDN System Manual
ND-70919 (E), Issue 1.0
Page 7
CHAPTER 1 GENERAL INFORMATION
System Outline
System Outline of ISDN Terminal
The system is configured with an ISDN Line Circuit (ILC) for the line interface of an ISDN
Terminal and an ISDN Channel Handler (ICH) for Layer 2 protocol processing (LAP-D).
Figure 1-4 and Figure 1-5 show the system outline of the ISDN Terminal.
Figure 1-4 System Outline of ISDN Terminal (for ISDN-PRI)
PBX
DTI
CLOCK
SIGNAL
1.5 M/2 M PCM
DIGITAL LINE (23B/30B + D)
NT1ISDN
• Point to Point
Connection
ISDN
Terminal
(TE)
• Point to Multi-point
Connection
TA
ILC
ILC
2B × 2
2D
2B × 2
2D
23B/30B
/PRT
D
Data
Terminal
ISDN Terminal
(TE)
SLT
LC
DCH
FP
TDSW
MP
(PLO)
8D
NOTE 1: The following connections are only available:
• ISDN Terminal to ISDN Terminal Connection
• ISDN Terminal to ISDN Trunk Connection
• ISDN Trunk to ISDN Terminal Connection
• ISDN Terminal to Single Line Telephone Connection
ICH
DCH : D Channel Handler
DTI : Digital Trunk Interface
ICH : ISDN Channel Handler
ILC : ISDN Line Circuit
LC: Line Circuit
NT1 : Network Termination One
PLO : Phase Locked Osci llator
PRT : Primary Rate Interface Trunk
TA: Terminal Adapter
NOTE 2: NT1 equipment must be installed on the premises.
Page 8ND-70919 (E), Issue 1.0
NEAX2000 IVS2 ISDN System Manual
• Point to Point
Connection
CHAPTER 1 GENERAL INFORMATION
Figure 1-5 System Outline of ISDN Terminal (for ISDN-BRI)
PBX
2-CHANNEL PCM
DIGITAL LINE (2B + D)
NT1
D
ISDN
Terminal
(TE)
ILC
2B × 2
2D
2B
BRT
System Outline
ISDN
• Point to Multi-point
Connection
TA
Data
Terminal
ISDN Terminal
(TE)
SLT
ILC
LC
FP
2B × 2
2D
TDSW
MP
(PLO)
8D
ICH
NOTE 1: The following connections are only available:
• ISDN Terminal to ISDN Terminal Connection (S/T Interface)
• ISDN Terminal to ISDN Trunk Connection (S/T Interface)
• ISDN Trunk to ISDN Terminal Connection (S/T Interface)
• ISDN Terminal to Single Line Telephone Connection
CLOCK
SIGNAL
BRT : Basic Rate Interface Trunk
ICH : ISDN Channel Handler
ILC : ISDN Line Circuit
LC: Line Circuit
NT1 : Network Termination One
PLO : Phase Locked Oscillato r
TA: Terminal Adapter
NOTE 2: NT1 equipment must be insta l le d on the pr em i ses.
NEAX2000 IVS2 ISDN System Manual
ND-70919 (E), Issue 1.0
Page 9
CHAPTER 1 GENERAL INFORMATION
System Outline
DTI
The Digital Trunk Interface (DTI) interfaces the PBX directly to 24/30- channe l PCM tr an smissio n
line. The DTI has the following functions:
• Cyclic Redundancy Checking (based on ITU-T Rec. G704)
For 30DTI:
• Unipolar/Bipolar Conversion (HDB3 Format)
• Alarm Detection/Insertion
• Digital PAD on Voice Signal Transmission
• Cyclic Redundancy Checking (based on ITU-T Rec. G704)
For con nections of a 24DTI an d transmission line , twisted-pair cable can be u sed. For co nnection
of a 30DTI and transmission line, either coaxial cable or twisted-pair cable can be used.
DCH
The D Channel Handler (DCH) provides the D Channel signalling interface through the DTI to an
ISDN exchange, and it is re sponsible for signaling between th e PBX and the ISDN exchange
under control of the system MP.
PRT
The Primary Rate Interface Trunk (PRT) provides the ISDN Primary Rate Interface (1.5 Mbps
PCM-23B + D) and a built-in DCH. The PRT has the following functions:
• Cyclic Redundancy Checking (based on ITU-T Rec. G704)
For connections of PRT and transmission line, twisted-pair cable can be used.
NOTE: ISDN requires B8ZS line coding with Extended Superframing (ESF) Format.
Page 10ND-70919 (E), Issue 1.0
NEAX2000 IVS2 ISDN System Manual
CHAPTER 1 GENERAL INFORMATION
System Outline
BRT
The Basic Rate Interface Trunk (BRT) provides one or two physical interface to the ISDN-Basic
Rate Interface service (144 Kbps PCM-2B + D).
For connections of BRT and transmission line, twisted-pair cables can be used.
NEAX2000 IVS2 ISDN System Manual
ND-70919 (E), Issue 1.0
Page 11
CHAPTER 1 GENERAL INFORMATION
System Outline
PLO
The Phase Locked Oscillator (PLO) equipped on the MP card synchronizes the system to an
ISDN clock.
The PLO generates the cloc k signals acco rding to the source cloc ks receiv e d from network. The
source clock signals are extracted at DTI/BRT/PRT cards and supplied to the PLO. Two clock
routes are available; one is Route 0 that receives clock signals from DTI0/BRT0/PRT0, and the
other is a standby Route 1 (DTI1/BRT1/P RT1) that receives clock signals when no clock signals
appear on Rout e 0. When no cl ock signals come from either Route 0 o r Rout e 1 , the PLO keeps
generating the clock signals at the frequency of the last source clock. The PLO can receive
differ ent frequencies of source clocks from Route 0 and Route 1.
Figure 1-6 shows an example of clock supply route.
Figure 1-6 Clock Supply Route
TDSW
PLO
PBX
NOTE
DTI0/BRT0
/PRT0
DTI1/BRT1
/PRT1
ISDN
: CLOCK SIGNAL SUPPLY ROUTE 0
: CLOCK SIGNAL SUPPLY ROUTE 1
NOTE:DTI0/BRT0/PRT0 and DTI1/BRT1/PRT1 must be mounted in PIM0.
Page 12ND-70919 (E), Issue 1.0
NEAX2000 IVS2 ISDN System Manual
CHAPTER 1 GENERAL INFORMATION
System Outline
ICH
The ISDN Channe l Hand ler (ICH) pro vides the D channel si gnaling interf ace an d controls an ILC
(Layers 2 and 3).
ILC
The ISDN Line Circuit (ILC) provides a physical interface to the ISDN Ter minal. The interface
provides for a maximum of two line circuits.
NEAX2000 IVS2 ISDN System Manual
ND-70919 (E), Issue 1.0
Page 13
CHAPTER 1 GENERAL INFORMATION
Outline of Event Based CCIS
OUTLINE OF EVENT BASED CCIS
Event Based CCIS allows a PBX customer who does not have tie lines to use the various
Common Channel Interoffice Sig naling (CCIS) feature by using ISDN lines as CCIS virtual tie
lines. F o r the PBX custo mer w ho usua lly has l o w t raffi c , Event Based CCIS is av a ilab l e be twee n
NEC NEAX PBXs.
Figure 1-7 shows the system outline of Event Based CCIS.
Figure 1-7 System Outline of Event Based CCIS
REGULAR ISDN CONNECTION
ISDN NETWORK
LC/TRK
PBX
NEC PBX
DTI/BRT
/PRT
CCH
EVENT BASED CCIS CONNECTION
ISDN NETWORK
DTI/BRT
/PRT
DTI/BRT
/PRT
CCH
DTI/BRT
/PRT
PBX
LC/TRK
NEC PBX
CCH
LC/TRK
NEAX2000 IVS2 ISDN System Manual
Page 14ND-70919 (E), Issue 1.0
CCH
LC/TRK
CHAPTER 1 GENERAL INFORMATION
Outline of Event Based CCIS
Common Channel and Voice Channel Link Control
When the call is a regular ISDN call or when there is no call on the PBX, the common signaling
channel and the voice channel for the virtual tie lines are disconnected.
If the virtual tie lines are all busy or when the vi rtual tie lines cannot be connected due to a line
fault, a call is transmitted to the opposite office via ISDN network as a regular ISDN call, not as
a CCIS call.
When a predetermined time passes after all calls finish, the voice channels and common
signaling channel are released and the CCIS link is disconnected. The release timer is set by
system data programming for the common signaling channel and voice channels.
Figure 1-8 Release Timing of Virtual Tie Line and CCIS Link
n sec.
Voice ch 1 (B2)
n sec.
Voice ch 2 (B3)
m sec.
CCIS link (B1)
n, m: Release timer
2.4 seconds-max. 28 minutes
VT: Virtual Tie Line
Set VT (B3)
Set VT (B1)
Set VT (B2)
Release VT (B3)
Release VT (B2)
Release CCIS (B3)
Release CCIS (B2)
Release VT (B1)
NEAX2000 IVS2 ISDN System Manual
ND-70919 (E), Issue 1.0
Page 15
CHAPTER 1 GENERAL INFORMATION
Outline of Event Based CCIS
For Event Based CCIS, the virtual trunks are used as a No. 7 CCIS trunk.
Virtual Trunk:
The virtual trunk consists of a Home-Side Trunk and a Mate-Side Trunk. The Home-Side
Trunk is connected to the st ation side, and the Mate-Side Trunk is connected to the network
side of the PBX virtually.
The virtual trunks do not exist actually, but are handled as a No . 7 CCIS trunk by the syst em,
for system data. ISDN subaddress or ISDN indial number is use d to notify the CCIS channel
number for virtual tie line and establish a CCIS link and individual voice links between
offices.
Figure 1-9 Virtual Trunk
TDSW
LC/TRK
DTI/BRT/PRT
MATE-SIDE
HOME-SIDE
ISDN
VIRTUAL
TRUNK
CCH Card:
The CCH card is used to handl e the common channel signaling.
DTI/BRT/PRT Card:
The system uses the same interface trunk for regular ISDN connection an d the virtual tie
line connection on Event Based CCIS.
ISDN Protocol Analyzer:
For ISDN PRI, the protocol analyze r must be able to supp ort ISDN exch ange, such as AT&T ,
Nortel. For North America, it must support National ISDN 2 (NI-2) protocols.
For ISDN BRI, the protocol analyzer must be an S/T interface. For North America, it must
support National ISDN 1 (NI-1) protocol.
Both analyzers must be capa ble of collecting Layer 2 and Layer 3 (Q921 & Q931 )
information.
Page 16ND-70919 (E), Issue 1.0
NEAX2000 IVS2 ISDN System Manual
CHAPTER 1 GENERAL INFORMATION
Outline of Event Based CCIS
Event Based CCIS Feature List
Table 1-1 Event Based CCIS Feature List
: Available
X
: Not available
–
SERVICE FEATUREAVAILABILITYREMARKS
Attendant Camp-On w i th Tone Indication- C CISX
Attendant Contr oll ed Co nference-CCISXNOTE 4
Brokerage-Hot-Line-CCISX
Busy Verification-CCISX
Call Back-CCISX
Call Forwarding-All Calls-CCISX
Call Fo rwarding-Busy Line-CCISX
Call Fo rwarding-Don’t Answer - C C ISX
Call Fo rwarding-Intercept-CCISX
Call Forwarding-Override-CCISX
Calling Name Display-CCISX
Calling Number Display-CCISX
Call Transfer-All Calls-CCISX
Call Transfer-Attend an t- C CI SX
Centralized Billing-CCISXNOTE 2
Centralized Day/Night Mode Change-CCIS–
Consultation Hold-All Calls-CCISX
Deluxe Traveling Class Mark-CCISX
Dial Access to Attendant-CCISX
Direct-in Termination-CCISX
Distinctive Ringing-CCISX
Do Not Disturb-CCISX
Dual Hold-CCISX
Elapsed Time Display-CCISX
Flexible Numbering of Station-CCISX
NEAX2000 IVS2 ISDN System Manual
ND-70919 (E), Issue 1.0
Page 17
CHAPTER 1 GENERAL INFORMATION
Outline of Event Based CCIS
Table 1-1 Event Based CCIS Feature List (Continued)
: Available
X
: Not available
–
SERVICE FEATUREAVAILABILITYREMARKS
Hands-Free-Answer Back-CCISX
House-Phone-CCISX
Hot Line-CCISX
Incoming Call Identification-CCISX
Individual Attendant Access-CCISXNOTE 5
LDN Night Connection-CCISX
Link Alarm Display-CCIS–
Message Waiting Lamp Setting-Attend ant-CCISXNOTE 3
Message Waiting Lamp Setting-Station-CCISXNOTE 3
Miscellaneous Trunk Access-CCISX
Miscellaneous Trunk Restriction-CCISX
Multiple Call Forwarding-All Calls-CCISX
Multiple Call Forwarding-Busy Line-CCISX
Multiple Call Forwarding-Don’t Answer-CCISX
Night Connection Fixed-CCISX
Night Connection Flexible-CCISX
Outgoing Trunk Queuing-CCIS–
Paging Access-CCISX
Restriction from Outgoing Calls-CCISX
Single Digit Station Calling-CCISX
Station Controll ed Confer ence-CCISXNOTE 4
Station to Station Ca lli n g- C C ISX
Station to Station Calling-Operator Assi stance-CCISX
Toll Restriction-3/6 Digit-CCISX
Trunk Answer from Any Station-CCISX
Trunk to Trunk Restriction-CCISX
Page 18ND-70919 (E), Issue 1.0
NEAX2000 IVS2 ISDN System Manual
CHAPTER 1 GENERAL INFORMATION
Outline of Event Based CCIS
Table 1-1 Event Based CCIS Feature List (Continued)
: Available
X
: Not available
–
SERVICE FEATUREAVAILABILITYREMARKS
Uniformed Numbering Plan-CCISX
Voice Call-CCISX
Voice Mail Integration-CCISX
NOTE 1: The voice channel and the common signaling channel keep connecting after the calls
finish according to the release timer data. Therefore, while the CCIS link is kept up by
the timer, the features are available.
NOTE 2: The billing information is sent while the CCH link is connected. If the sending of billing
information has failed, it is sent again when a new CCH link is established by the next
call.
NOTE 3: As a remote office, this feature is available on NEAX2000 IVS2/7400ICS M100M X.
NOTE 4: An attendant/extension of the NEAX2000 IVS2/7400ICS M100MX cannot be a
conference leader.
NOTE 5: This service is available when the Attendant Console is provided at the IMX office on
the network.
NEAX2000 IVS2 ISDN System Manual
ND-70919 (E), Issue 1.0
Page 19
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