SPECIFICATIONS

IP Specifications

Table 5-2 IP Specifications

ITEM

SPECIFICATIONS

 

REMARKS

 

 

Voice Encoding

G.729a

8 kbps CS-ACELP

 

 

 

 

 

 

G.723.1 (5.3 k/6.3 k)

MP-MLQ/ACELP

 

 

 

 

 

 

G.711

64 Kbps PCM

 

 

 

IP PAD

 

8/32 channels per card

 

 

 

 

 

 

 

 

Automatically seized per call

 

 

 

 

 

FAX Communication

FAX Relay Method (T.30)

G3 FAX (up to 14.4 Kbps)

 

 

Feature

 

 

Super G3 Reciprocal: Not allowed

 

 

 

 

 

FAX communication with H.323:

 

 

 

 

 

Not available

 

 

 

 

 

 

 

PN-32IPLA/PN-32IPLA-A (IP

 

 

 

 

 

PAD) card

 

 

 

 

 

 

 

 

(PN-8IPLA (IP PAD) card is not

 

 

 

 

 

available.)

 

 

 

 

 

 

 

FAX Relay Method

PN-8IPLA (IP PAD) card

 

 

 

 

 

(Path-through (G.711/G.726))

(PN-32IPLA/PN-32IPLA-A (IP

 

 

 

 

 

PAD) card is not available.)

 

 

DTMF Signal

H.245

H.323 IPT/IP PAD/DtermIP

 

 

Inter-office/Intra-office

H.245

DtermIP-to-DtermIP connection

 

 

Signaling

 

 

DtermIP-to-IP PAD connection

 

 

 

 

PROTIMS over IP

DtermIP-to-2000 IPS connection

 

 

 

 

CCIS over IP

Point-to-Multipoint connection

 

 

 

 

H.323

H.323 IPT/4VCT card and IP PAD

 

 

 

 

 

card are required

 

 

 

Jitter Control

 

Dynamic Jitter Buffer

 

 

 

 

 

Quality of Service

TOS, IP Precedence

 

 

 

 

 

(QoS)

 

DiffServ

 

 

 

 

 

LAN Interface

10BASE-T/100BASE-TX

Auto Negotiation is available.

 

 

 

 

 

100BASE-TX is recommended.

 

Echo Canceller

G.168 (64 ms)

 

 

 

 

 

(IP PAD)

 

 

 

 

 

 

 

Payload

 

Dterm IP/

10 ms. -40 ms.

Max. voice channels per card

 

Size

 

CCIS

(G.723.1: 30 ms. fixed)

 

G.729a G.711 G.723.1

 

 

 

Virtual

 

10 ms:

12 ch

12 ch

-

 

 

 

IPT

Note

20 ms:

20 ch

20 ch

-

 

 

 

(32IPLA

 

30 ms:

30 ch

30 ch

24 ch

 

 

 

+ 16VCT)

 

40 ms:

32 ch

32 ch

-

 

 

 

Dterm IP/

10 ms. -40 ms.

Max. voice channels per card

 

 

 

CCIS

(G.723.1: 30 ms. fixed)

 

G.729a G.711 G.723.1

 

 

 

Virtual

 

10 ms:

20 ch

20 ch

-

 

 

 

IPT

 

20 ms:

32 ch

32 ch

-

 

 

 

(8IPLA +

 

30 ms:

32 ch

32 ch

24 ch

 

 

 

24IPLA)

 

40 ms:

32 ch

32 ch

-

 

 

 

H.323

20 ms.-40 ms. (10 ms. increments)

Max. voice channels per card

 

 

 

IPT

(G.723.1: 30 ms. fixed)

 

G.729a G.711 G.723.1

 

 

 

 

 

20 ms:

6 ch

5 ch

-

 

 

 

 

 

30 ms:

8 ch

7 ch

8 ch

 

 

 

 

 

40 ms:

12 ch

10 ch

-

 

 

 

 

ND-91649(E)

 

 

CHAPTER 5

 

 

 

 

 

 

 

Page 45

Page 53
Image 53
NEC ND-91649 manual IP Specifications

ND-91649 specifications

The NEC ND-91649 is an advanced optical disc writer designed for data storage and retrieval. It is particularly known for its impressive compatibility with various disc formats, enabling users to write, read, and erase data on multiple types of DVDs and CDs. This versatility makes it a choice favorite among both casual users and professionals who require reliable optical storage solutions.

One of the standout features of the ND-91649 is its support for a wide array of media formats. It can handle DVD+R, DVD+RW, DVD-R, DVD-RW, and CD formats, ensuring that users have the flexibility needed to manage their data effectively. The drive also supports dual-layer DVDs, enabling higher data capacity with up to 8.5GB on a single disc, which is invaluable for large backups and extensive media projects.

In terms of performance, the ND-91649 boasts impressive write speeds. It can achieve up to 16x for DVD+/-R formats, making it one of the faster options available in its class. Additionally, its read capabilities are equally robust, with fast access times that help in quickly retrieving data. This efficiency is further enhanced by its use of advanced caching techniques, which reduce buffer underrun errors during writing processes.

The technology behind the ND-91649 includes features such as SolidBurn, which optimizes writing quality by learning and adjusting to different media types. This ensures that users can achieve high-quality burns, regardless of the disc brand used. Furthermore, the drive is equipped with a robust error correction mechanism that minimizes the risk of data loss and preserves the integrity of written data.

Another notable characteristic of the ND-91649 is its compact and stylish design. It is engineered to fit seamlessly into a variety of computer setups, offering a blend of aesthetic appeal and practical functionality. The drive employs a standard interface, typically SATA, facilitating easy connectivity with most modern motherboards and laptops.

In summary, the NEC ND-91649 stands out in the crowded field of optical disc drives due to its versatile format support, impressive writing speeds, and advanced technologies like SolidBurn. Its user-friendly design and reliable performance make it an excellent choice for anyone in need of a dependable optical storage solution. Whether for personal use or professional applications, the ND-91649 delivers a level of quality and efficiency that meets the demands of today’s digital storage needs.