LIST OF FIGURES

 

Figure

Title

Page

Figure 1-1

System Outline of ISDN-PRI

. 4

Figure 1-2

System Outline of ISDN-BRI

. 5

Figure 1-3

Example of ISDN-VPN (1 of 2)

. 6

Figure 1-3

Example of ISDN-VPN (2 of 2)

. 7

Figure 1-4

System Outline of ISDN Terminal (for ISDN-PRI)

. 8

Figure 1-5

System Outline of ISDN Terminal (for ISDN-BRI)

. 9

Figure 1-6

Clock Supply Route

. 12

Figure 1-7

System Outline of Event Based CCIS

. 14

Figure 1-8

Release Timing of Virtual Tie Line and CCIS Link

. 15

Figure 1-9

Virtual Trunk

. 16

Figure 1-10

Accommodation of DTI/DCH/ICH/BRT/PRT into TDSW

. 24

Figure 1-11

Time Slot Allocation for DTI

. 25

Figure 1-12

Line Distance Between PBX and NT1/ISDN Terminal

. 26

Figure 1-13

DTI Frame Configuration (12-Multi Frame)

. 29

Figure 1-14

DTI Frame Configuration (24-Multi Frame)

. 31

Figure 1-15

Frame Configuration of 30DTI

. 33

Figure 2-1

Static Electricity Guard (1 of 2)

. 36

Figure 2-1

Static Electricity Guard (2 of 2)

. 36

Figure 2-2

Installation Procedure for ISDN-PRI

. 41

Figure 2-3

DTI/PRT Cable Connection via MDF

. 44

Figure 2-4

Location of AP Slots and LTC Connectors for DTI/PRT

. 45

Figure 2-5

Example of MDF Cross Connection for DTI/PRT

. 46

Figure 2-6

Cable Connection via the CONN Card

. 47

Figure 2-7

Example of Coaxial Cable Connection

. 48

Figure 2-8

Installation Procedure for ISDN-BRI

. 49

Figure 2-9

BRT Cable Connection via MDF

. 51

Figure 2-10 Location of AP Slots and LTC Connectors for BRT

. 52

Figure 2-11

Example of MDF Cross Connection for BRT (1 of 2)

. 53

Figure 2-11

Example of MDF Cross Connection for BRT (2 of 2)

. 54

Figure 2-12

Installation Procedure for ISDN Terminal

. 55

Figure 2-13

ILC Cable Connection via MDF

. 58

Figure 2-14 Location of LT Slots and LTC Connectors for ILC

. 59

Figure 2-15

Example of MDF Cross Connection for ILC

. 60

Figure 2-16

Installation Procedure for Event Based CCIS

. 61

Figure 3-1

Outline of BRI to BRI Connections

. 115

Figure 3-2

Event Based CCIS Programming Summary

. 116

Figure 3-3

Verification of Connection

. 127

Figure 4-1

Mounting Location of Circuit Card

. 139

Page iv

NEAX2000 IVS2 ISDN System Manual

ND-70919 (E), Issue 1.0

Page 9
Image 9
NEC ND-70919 system manual List of Figures

ND-70919 specifications

The NEC ND-70919 is a versatile and highly regarded optical disc drive that has made significant contributions to the storage technology sector. Recognized for its durability and performance, the ND-70919 is primarily designed for users looking for a reliable solution for CD, DVD, and even Blu-ray media playback and recording.

One of the hallmark features of the NEC ND-70919 is its exceptional writing speeds. This drive is capable of burning CD-R media at speeds up to 48x, DVD+R and DVD-R at up to 16x, and dual-layer DVD media at speeds of 8x. This not only allows for rapid disc creation but also ensures high-quality data integrity during the writing process. The drive's burning technology uses advanced algorithms to reduce errors, which is crucial for data that needs to be archived.

In terms of playback, the ND-70919 supports a wide variety of formats, including CD, DVD, and various recordable formats. This flexibility ensures that users can access a broad array of media types. The drive's compatibility with both DVD-RAM and DVD+RW formats allows users the convenience to rewrite data and reuse discs, making it a cost-effective choice for those needing frequently updated storage solutions.

The NEC ND-70919 employs the latest in optical technology, featuring a sophisticated laser system that enhances both read and write speeds while also providing error correction capabilities. This technology is particularly beneficial when dealing with scratched or damaged discs, enabling the drive to maintain performance and reliability under various conditions.

Another standout characteristic is its user-friendly interface and installation process. The ND-70919 is designed to be compatible with a variety of operating systems, making it accessible for users across different platforms. It is typically equipped with a SATA interface, which provides a speedy connection to the motherboard, ensuring that data transfer rates meet modern standards.

In terms of physical characteristics, the drive has a slim and compact design, allowing it to fit seamlessly into both desktop and laptop configurations. Its aesthetic appeal is complemented by its robustness, designed to endure repeated use over time.

Overall, the NEC ND-70919 stands out as a functional and powerful optical disc drive, characterized by high writing speeds, broad format compatibility, advanced optical technologies, and ease of use, making it a popular choice among consumers seeking reliable disc storage solutions.