Remote S Registers

 

B-9

Table B-3 Remote S Registers (continued)

 

 

 

 

 

 

Registers

Descriptions

 

 

 

 

 

S70

Dynamic Bandwidth Allocation:

 

 

0

— DBA disabled

 

 

1

— DBA enabled (default)

 

S71

B Channel Protocol:

 

 

0

— QuickSelect (default)

 

 

1

Async-Sync PPP conversion

 

 

2

— V.120

 

S73

V.120 Frame Type:

 

 

0

— I frame (default)

 

 

1

— UI frame

 

S74

V.120 Maximum Frame Size (range 240–256):

 

 

256 — Maximum frame size of 256 is used (default)

 

 

248 — Maximum frame size of 248 is used (for AdTranâ

 

compatibility, use 253)

 

S80

Multilink PPP:

 

 

0

— Disable

 

 

1

— Enable (default)

 

S81

Multilink PPP Directory Number:

 

 

If the destination to which you are dialing a Multilink PPP

 

call requires two separate directory numbers, you must

 

include the second telephone number of up to 15 digits in

 

this S register. If left blank, then the number used to dial the

 

first link is used.

 

S82

Multilink PPP Endpoint Identifier Class:

 

 

If required, this information is provided by your Internet

 

service provider.

 

 

1

— Locally Assigned Address

 

 

2

— Internet Protocol (IP) Address

 

 

3

— IEEE 802.1 Globally Assigned MAC Address

 

 

4

— PPP Magic-Number Block

 

 

5

— Public Switched Network Directory Number

 

S83

Multilink PPP Endpoint Identifier (up to 20 characters)

 

 

If required, this information is provided by your Internet

 

service provider.

 

 

 

 

 

 

Page 53
Image 53
3Com DIGITAL MODEM manual PPP Magic-Number Block, S83, Service provider

DIGITAL MODEM specifications

The 3Com Digital Modem represents a significant advancement in communication technology, designed to enhance data transmission over telephone lines. This modem is a part of a lineage of 3Com products that focus on delivering robust networking solutions, tailored for both personal and professional use.

One of the main features of the 3Com Digital Modem is its high-speed data transfer capabilities. With speeds reaching up to 56 Kbps, it allows users to send and receive large amounts of data quickly, which is essential for applications that require efficient data exchange. This speed ensures smoother internet browsing, quicker downloads, and more reliable connections for applications such as video conferencing and online gaming.

The modem is equipped with advanced error correction technologies, including V.42 and V.42bis protocols. These protocols help to maintain data integrity by detecting and correcting errors during transmission. This results in a more reliable connection, reducing the likelihood of dropped calls or corrupted data transfers, which can be particularly frustrating for users engaged in critical business communications.

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The modem also incorporates an innovative design that facilitates improved heat dissipation, ensuring optimal performance during prolonged use. Its compact form factor makes it suitable for both home and office environments, allowing for easy setup without consuming excessive desk space.

In addition to these features, the 3Com Digital Modem boasts strong security protocols, ensuring that users' data is protected against unauthorized access while being transmitted. This is particularly important in today’s digital landscape, where data breaches and cyber threats are prevalent.

Overall, the 3Com Digital Modem combines speed, reliability, and security, making it a valuable asset for anyone looking to enhance their connectivity experience. Its robust feature set and user-friendly design cater to a broad audience, from casual users to business professionals, reflecting the evolution of modem technology in a digital-first world.