COMSPHERE 3800Plus Modems

 

Table C-4

 

Online Operation

 

 

Symptom

Action

 

 

Data scrambled

Verify that the character format (data bits, parity, and stop bits) is set to the

 

same value in both modems.

 

 

Missing data during a transfer

Verify that you are using the same method of flow control for both the modem

 

and the DTE.

 

If using XON/XOFF flow control, verify that the modem's parity matches the

 

DTE's parity.

 

 

 

Table C-5

 

Leased-Line Operation

 

 

Symptom

Action

 

 

Modems do not train-up on leased lines

Verify that the correct cabling is used for your application. Refer to Chapter 2,

 

Installation.

 

Verify that one modem is configured for Answer mode and the other is

 

configured for Originate mode.

 

Verify that both modems are using the same modulation scheme.

 

Verify that modems are configured for the appropriate leased-line mode. For

 

example, if you have a 4-wire leased line, then the modems must be

 

configured for 4-wire operation.

 

 

Modems are configured for dial backup,

Verify that both modems have the Auto Dial Backup configuration option

but do not switch to dial lines if leased

enabled.

lines fail

 

 

 

 

Table C-6

 

Dial Backup Operation

 

 

Symptom

Action

 

 

Dial backup line is present, but cannot

Verify that the correct telephone number for the remote modem is stored in

connect

directory location 1.

 

Verify that one modem has the Auto Dial Backup configuration option set for

 

Disable and the other has it set to Enable.

 

 

Modem does not switch back to

Verify that the Auto Dial Standby configuration option is enabled.

leased-line operation

 

 

 

C-4

November 1996

3980-A2-GB30-20

Page 159 Page 161
Page 160
Image 160
Paradyne 3800PLUS manual Table C-4, Online Operation, Table C-5, Leased-Line Operation, Table C-6, Dial Backup Operation
Page 159 Page 161

3800PLUS specifications

The Paradyne 3800PLUS is a sophisticated networking device designed for various applications in high-demand environments, such as telecommunications and enterprise networks. This versatile solution is well-regarded for its robust performance, providing reliable and efficient connectivity for businesses and service providers.

One of the standout features of the Paradyne 3800PLUS is its ability to deliver high-speed data transmission. Supporting multiple protocols, it ensures seamless connectivity for data, voice, and video over the same infrastructure, reducing the need for multiple devices and simplifying network management. The device is capable of supporting both synchronous and asynchronous data formats, making it suitable for diverse networking needs.

With its advanced multiple service options, the Paradyne 3800PLUS supports various connection types, including T1, E1, and DSL, allowing it to adapt to different local area network (LAN) settings. This flexibility makes it a preferred choice for organizations that require support for both legacy systems and modern technologies. Furthermore, the device offers built-in support for various network management protocols, such as SNMP, simplifying monitoring and configuration.

Security is a significant concern in today's networking landscape, and the Paradyne 3800PLUS addresses this with integrated security features that help ensure data integrity and privacy. The device supports encryption and authentication techniques, which protect against unauthorized access and safeguard sensitive information transmitted over the network.

The Paradyne 3800PLUS is also designed with ease of use in mind. Its web-based interface simplifies configuration and management, making it accessible for network administrators regardless of their technical expertise. Additionally, the device is equipped with diagnostic tools and indicators that facilitate troubleshooting, enabling quicker resolution of connectivity issues.

In terms of scalability, the Paradyne 3800PLUS can accommodate the growing needs of businesses and service providers. Its modular design allows for easy upgrades and the addition of new features, ensuring that the network infrastructure can evolve with changing demands.

In summary, the Paradyne 3800PLUS stands out as an advanced networking solution known for its high-speed capabilities, support for various protocols, integrated security measures, user-friendly management interface, and scalability. These characteristics make it an ideal choice for organizations seeking a reliable and efficient networking solution to enhance their operations and support future growth.
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