CHAPTER 4 CIRCUIT CARD INFORMATION

PN-24DTA-C (DTI)

SWITCH NAME

SWITCH

SETTING

 

 

 

FUNCTION

 

CHECK

NUMBER

POSITION

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SW0

 

ON

Source clock signal from network is

 

 

(Piano Key SW)

1

sent to the PLO0 input on MP card.

 

 

 

 

 

 

 

 

 

 

 

 

NOTE 3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Source clock signal from network is

 

 

OFF

 

 

 

 

NOTE 4

OFF

not sent to the PLO0 input on MP

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

8

 

 

 

 

 

 

 

card.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

7

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Source clock signal from network is

 

 

6

 

 

 

 

 

 

ON

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

sent to the PLO1 input on MP card.

 

 

5

 

 

 

 

 

2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4

 

 

 

 

 

NOTE 3

 

 

 

 

 

 

 

 

 

 

Source clock signal from network is

 

 

3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2

 

 

 

 

 

NOTE 4

OFF

not sent to the PLO1 input on MP

 

 

 

 

 

 

 

 

 

1

 

 

 

 

 

 

 

card.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ON

 

 

 

 

 

 

 

 

 

 

 

 

 

3

ON

Remote loop-back

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OFF

For normal operation

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4

ON

Local loop-back (AIS send)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OFF

For normal operation

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

5

ON

Set equalizer according to the cable

 

 

 

 

 

 

 

 

 

 

length between the PBX and the

 

 

 

 

 

 

 

 

 

OFF

 

 

 

 

 

 

 

 

 

 

MDF.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ON

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

6

 

SW0-5

SW0-6

SW0-7

CABLE LENGTH

 

 

 

 

 

 

 

 

 

 

 

 

ON

ON

ON

0-40 m (0-131.2 ft.)

 

 

 

 

 

 

 

 

 

 

OFF

 

 

 

 

 

 

 

 

 

 

 

ON

ON

OFF

40-80 m (131.2-262.5 ft.)

 

 

 

 

 

 

 

 

 

 

 

 

 

ON

OFF

ON

80-120 m (262.5-394 ft.)

 

 

 

 

 

 

 

 

 

 

 

ON

 

 

 

 

 

 

 

 

 

 

 

ON

OFF

OFF

120-160 m (394-525 ft.)

 

 

 

 

 

 

 

 

 

 

7

 

 

OFF

ON

ON

160-200 m (525-656 ft.)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OFF

 

OFF

OFF

OFF

Signal is not sent

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

8

OFF

Not used

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(Continued)

NEAX2000 IVS2 ISDN System Manual

Page 159

ND-70919 (E), Issue 1.0

Page 170
Image 170
NEC ND-70919 system manual SW0, Off Mdf

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.