CHAPTER 1 GENERAL INFORMATION

Card Name and Function

CARD NAME AND FUNCTION

Table 1-2shows the circuit card names and function for ISDN.

 

Table 1-2 ISDN Card Name and Function

 

 

 

CARD NAME

FUNCTIONAL

FUNCTION

NAME

 

 

 

 

 

PN-BRTA

BRT

1-line Basic Rate (2B + D) Interface Trunk Card

 

 

Accommodates one 2-channel PCM digital lines

 

 

 

PN-2BRTC

BRT

2-line Basic Rate (2B + D) Interface Trunk Card

 

 

Accommodates two 2-channel PCM digital lines

 

 

 

PN-24DTA-C

DTI

Digital Trunk Interface (23B + D, 1.5 Mbps) Card

 

 

Accommodates 24-channel PCM digital lines

 

 

 

PN-30DTC-A

DTI

Digital Trunk Interface (2 Mbps) Card

 

 

Accommodates 30-channel PCM digital lines

 

 

 

PN-2ILCA

ILC

2-line ISDN Line Circuit Card

 

 

Provides a physical interface to ISDN Terminals

 

 

Occupies 8 time slots per one card

 

 

 

PN-24PRTA

PRT

ISDN Primary Rate (23B + D) Interface Card

 

 

Provided a built-in D-channel Handler (DCH)

 

 

 

PN-SC00

CCH

Common Channel Handler Card

 

 

Transmits/receives signals on the common signaling

 

 

channel of No. 7 CCIS

 

 

 

PN-SC01

DCH

D-channel Handler Card

 

 

Transmits/receives signals on the D-channel of ISDN

 

 

Primary Rate (23B + D) interface or WCS Roaming

 

 

interface

 

 

 

PN-SC03

ICH

ISDN-channel Handler Card

 

 

Provides the D-channel signaling interface and controls

 

 

max. four ILC cards (Layers 2 and 3)

 

 

 

NEAX2000 IVS2 ISDN System Manual

Page 21

ND-70919 (E), Issue 1.0

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NEC ND-70919 system manual Card Name and Function, Card Name Functional

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.