付録 C

非ダイヤル式ユーザー開始通話状態マシン

 

ViewStation FX または

ネットワーク装置シグ

状態

VS4000 シグナル

 

 

ナル

 

 

 

1

初期状態 :

初期状態 :

 

DTR = 0< 注記 3>

RI

= 0

 

 

RTS = 0< 注記 2>

DLO

= 0

 

 

CRQ = 0

ACR

= 0

 

 

 

DSR = 0

 

 

 

 

 

 

 

ユーザー通話を開始

 

 

 

 

 

 

 

 

2

DTR = 1< 注記 3>

 

 

 

 

 

 

 

 

3

RTS = 1< 注記 2>

 

 

 

 

 

 

 

 

4

 

DCD

= 0

から 1

 

 

 

5

データ フロー開始

データ フロー開始

 

 

 

 

ユーザー切断

遠隔側切断

 

 

 

 

6

RTS = 0< 注記 2>

DSR = 1

から 0、または DCD

 

DTR = 0< 注記 3>

= 1 から 0

 

CRQ = 0

DSR または DCD の下降エッジ

 

相手側またはユーザーの切断

FX/

VS4000 によって切断

 

が検出されると、すべてのシ

と解釈されます。

 

グナルは低くなります。

DCD=< 注記 4>

 

 

 

7

アイドル

アイドル

 

DTR = 0< 注記 3>

RI

= 0

 

 

RTS = 0< 注記 2>

DLO = 0

 

 

CRQ = 0

ACR = 0

 

 

 

DSR = 0

 

 

 

 

 

 

注記 1: V.35 詳細設定」画面で、DSR ANSWER (応答)に設 定されている場合は、DSR は発信音インジケータとして使用され ません。

注記 2: [ セキュリティ / 暗号化再同期 ] がオンになっている場 合、RTS は下記のようにではなく再同期パルスとして機能します。

注記 3: V.35 詳細設定」画面で DTR がオンに設定されている場 合、DTR は表示のように機能せずに高電圧のままになります。

注記 4: V.35 詳細設定」画面で、DCD フィルタがオンに設定さ れている場合、DCD 60 秒間低くなるまでシステムは低い DCD に反応しません。

© Polycom, Inc., 2001

227

ViewStation FX/VS4000 ユーザーガイド

Page 245
Image 245
Polycom FX/VS4000 manual 非ダイヤル式ユーザー開始通話状態マシン, ネットワーク装置シグ

FX/VS4000 specifications

The Polycom FX/VS4000 is a high-performance video conferencing system designed to enhance communication and collaboration in a corporate environment. Renowned for its advanced features, versatility, and reliability, this system stands out as a comprehensive solution for organizations seeking to improve their remote connectivity.

One of the main features of the FX/VS4000 is its ability to support high-definition video resolutions, providing crystal-clear visuals that are essential for effective communication. With resolutions of up to 1080p, users can experience lifelike images during video calls, which adds a personal touch, making remote interactions feel closer to face-to-face meetings. The system is compatible with a wide range of video codecs, ensuring high-quality communication regardless of the network conditions.

The Polycom FX/VS4000 leverages advanced technologies such as Polycom’s patented Lost Packet Recovery (LPR) technology. This feature ensures that video calls remain smooth and uninterrupted, even in situations where network performance may be less than optimal. By intelligently compensating for lost data packets, it minimizes video lag and preserves audio quality, allowing users to maintain productivity without frustrating disruptions.

Another notable characteristic is its scalability. The FX/VS4000 can support multiple users and connects seamlessly with various endpoints, including desktop computers, mobile devices, and traditional telephones. This flexibility allows organizations of all sizes to integrate the system into their existing infrastructure, promoting a hybrid work environment where remote and in-office employees can interact effortlessly.

Furthermore, the system is equipped with intuitive user interfaces, simplifying the conferencing experience for all participants. Users can easily schedule meetings or join calls at the click of a button, promoting efficient communication without the need for extensive technical knowledge.

In addition, Polycom's suite of collaboration tools complements the FX/VS4000, enabling screen sharing, content exchange, and whiteboarding during meetings. These tools foster dynamic interactions, making it easier for teams to brainstorm and collaborate in real-time, regardless of their locations.

Overall, the Polycom FX/VS4000 is a powerful video conferencing solution that combines high-definition video quality, advanced network resilience, scalability, and user-friendly interfaces. Its robust technological backbone and support for collaboration tools make it a strategic asset for any organization aiming to enhance its communication and teamwork in an increasingly digital landscape.