NEC Neax 2000 Ivs2 Ccis System Manual

 NEAX2000 IVS2 CCIS System ManualPage 28  ND-70918 (E), Issue 1.0
CHAPTER 1  GENERAL INFORMATION
DTI Specifications
Table 1-8  24-Multi Frame Bit Assignment
FRAME
No.S BITBIT No. OF EACH CHANNEL
(CH1-CH24)
SIGNAL
CHANNEL FRAME
SYNCHRONI-
ZATION4 Kbps
DATA 
LINKCRCINFORMATION
SIGNAL BITCONTROL
SIGNAL BIT
1m1-8
2CB11-8
3m1-8
40 1-8
5m1-8
6CB21-78A
7m1-8
80 1-8
9m1-8
10 CB3 1-8
11 m 1-8
12 1 1-7 8 B
13 m 1-8
14 CB4 1-8
15 m 1-8
16 0 1-8
17 m 1-8
18 CB5 1-7 8 C
19 m 1-8
20 1 1-8
21 m 1-8
22 CB6 1-8
23 m 1-8...

CHAPTER 1  GENERAL INFORMATION
DTI Specifications
NEAX2000 IVS2 CCIS System Manual    
ND-70918 (E), Issue 1.0   Page 29
* The S-bit is the first bit in each frame.
* Frames are repeated in the order shown above.
* Frames 6, 12 and 24 become signal frames.
* The letter “m” in the “4 Kbps Data Link” column means that the frame is usually assigned to 1. 

 NEAX2000 IVS2 CCIS System ManualPage 30  ND-70918 (E), Issue 1.0
CHAPTER 1  GENERAL INFORMATION
DTI Specifications
Frame Configuration of 30-DTI
Based on 30-channel transmission method of ITU-T Specification, the frame configuration
consists of 16-multi frame, each frame having 32 time slots.
Figure 1-12 shows the frame configuration, and Table 1-9 shows the details of time slot
assignment.
Figure 1-12  Frame Configuration of 30-DTI
TS0 TS1 TS15 TS16 TS17 TS30 TS31TS2
FRAME 0FRAME 15 FRAME 2 FRAME 3...

CHAPTER 1  GENERAL INFORMATION
DTI Specifications
NEAX2000 IVS2 CCIS System Manual    
ND-70918 (E), Issue 1.0   Page 31
MODEM Specifications
The MODEM specifications required for No. 7 CCIS with Analog Interface are shown below.
 Synchronization : Synchronous
 Data speed : 1200 bps-9600 bps
 Transmission Mode : Full Duplex
 Line : 2/4 wire (Common Signaling Data Link via MODEM)
 Connection Type : Leased
 Interface Condition : ITU-T V24 and V28
Table 1-9  Time Slot Assignment of 30-DTI
TIME SLOT...

 NEAX2000 IVS2 CCIS System ManualPage 32  ND-70918 (E), Issue 1.0
CHAPTER 1 GENERAL INFORMATION
Service Features
SERVICE FEATURES
Table 1-10  List of No. 7 CCIS Service Features 
SERVICE FEATURES REMARKS
Attendant Camp-On with Tone Indication-CCIS
Attendant Controlled Conference-CCISNOTE 1
Brokerage-Hot Line-CCIS
Busy Verification-CCIS
Call Back-CCISNOTE 2
Call Forwarding-All Calls-CCIS
Call Forwarding-Busy Line-CCIS
Call Forwarding-Don’t Answer-CCIS
Call Forwarding-Intercept-CCIS
Call...

CHAPTER 1 GENERAL INFORMATION
Service Features
NEAX2000 IVS2 CCIS System Manual    
ND-70918 (E), Issue 1.0   Page 33
Elapsed Time Display-CCIS
Flexible Numbering of Stations-CCIS
Hands-Free Answer back-CCIS
Hot Line-CCIS
House Phone-CCIS
Incoming Call Identification-CCIS
Individual Attendant Access-CCISNOTE 4
LDN Night Connection-CCIS
Link Alarm Display-CCIS
Message Waiting Lamp Setting-Attendant-CCISNOTE 3
Message Waiting Lamp Setting-Station-CCISNOTE 3
Miscellaneous Trunk Access-CCIS
Miscellaneous...

 NEAX2000 IVS2 CCIS System ManualPage 34  ND-70918 (E), Issue 1.0
CHAPTER 1 GENERAL INFORMATION
Service Features
NOTE 1:An attendant/extension of the IMX must be a conference leader.
NOTE 2:This service is available by the closed numbering plan.
NOTE 3:As a Local Office, this feature is available on the IVS.
NOTE 4:This service is available when the Attendant Console is provided at the IMX on the
network. Toll Restriction-3/6 Digits-CCIS
Trunk Answer from Any Station (TAS)-CCIS
Trunk-to-Trunk...

CHAPTER 1 GENERAL INFORMATION
Network Structure Considerations
NEAX2000 IVS2 CCIS System Manual    
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NETWORK STRUCTURE CONSIDERATIONS
Determining System Configuration
The configuration of the network and the number of lines (channels) should be determined, and
is dependent on the traffic between each office (PBX). For example, when the traffic between
Office A and Office C is high (as shown in the network of the following figure), Office A and Office
C should be connected...

 NEAX2000 IVS2 CCIS System ManualPage 36  ND-70918 (E), Issue 1.0
CHAPTER 1 GENERAL INFORMATION
Network Structure Considerations
Determining Which PBX Should Be Main Office
When using No. 7 CCIS, the following features require establishing a clear relationship between
the Main and Satellite offices:
 Centralized Attendant Service (CAS)
– Attendant Camp-On with Tone Indication-CCIS
– Busy Verification-CCIS
– Centralized Day/Night Mode Change-CCIS
For Centralized Day/Night Mode Change Service, the Main...

CHAPTER 1 GENERAL INFORMATION
Network Structure Considerations
NEAX2000 IVS2 CCIS System Manual    
ND-70918 (E), Issue 1.0   Page 37
For Centralized Fault Message, the PBX cannot generate its own fault message. It can only relay
a fault message from one office to another office.
Determining Point Code
Point Codes are used to distinguish an originating office and destination office in the No. 7 CCIS
network. A Point Code is assigned in each office in the No. 7 CCIS network. The following
considerations...