FEATURES

Supports up to seven speeds—2.4, 4.8, 9.6, 19.2, 38.4, 56, and 64 kbps.

DTE service rate-matching allows slower DTE devices to communicate over higher-speed digital line.

CSU/DSU dialer gives you convenient, fingertip menu control.

Typical DDS configuration.

CSU/DSU MS

CSU/DSU MS

(MT132V-R2)

(MT132V-R2)

 

 

56-kbps DDS line

56-kbps DDS line

 

 

 

Multiplexors

 

 

 

Central Telephone Office

DTE

DTE

(Pittsburgh)

(Boston)

OVERVIEW

The cost of Digital Data Service (DDS) lines has been steadily decreasing and is now comparable to the cost of leased analog lines. But DDS has two distinct advantages over analog service: data moves at higher speeds, allowing transmission of larger volumes; and data error rates are greatly reduced.

If you are making the decision to switch from analog to DDS, or if you want to expand the capabilities you now have with DDS, consider our CSU/DSU. Typically, a CSU/DSU replaces the modem in a network and supports either sync or async data formats at speeds of 2.4, 4.8, 9.6, 19.2, and 56 kbps in point- to-point or multipoint configurations (see the diagram above).

Our CSU/DSU MS supports the traditional five speeds, but also gives you the additional speeds of 38.4 and 64 kbps. If you need to transmit larger volumes of data, the higher speeds of the CSU/DSU MS are the solution. The CSU/DSU MS also supports a secondary async channel that enables you to piggyback data up to 2400 bps (this service must also be supported by your local telephone company).

Making the move from analog to digital doesn’t mean replacing all your DTE devices with “fast” equipment designed for digital. The CSU/DSU MS has a DTE rate-matching feature that allows your slower DTEs to communicate over higher- speed digital lines (56-kbps only).

The CSU/DSU has a wide receiver range, from 0 to -45 dBm at 56-kbps loop rate, so you can transmit data over loops up to 18,000 feet long via 26 AWG wire.

TYPICAL APPLICATIONS

Routing/bridging.

SNA/SDLC systems.

High-speed asynchronous systems.

Frame-Relay networks.

Statistical multiplexor links.

1/30/2007

724-746-5500

blackbox.com

#11457

 

 

2 of 3

Page 2
Image 2
Black Box DSU MS, CSU MS manual Typical DDS configuration, Features, Overview, Typical Applications, Csu/Dsu Ms

DSU MS, CSU MS specifications

Black Box CSU MS and DSU MS are critical components in telecommunications infrastructure, serving crucial roles in data transmission and network connectivity. CSU, or Channel Service Unit, and DSU, or Data Service Unit, are devices that allow for the connection of end-user equipment to the digital circuit of a transmission provider.

The primary function of a CSU is to connect a digital line from a service provider to the internal data network, while the DSU converts the digital signal from the CSU to a format compatible with the data terminal equipment (DTE). Together, these components ensure that data can be transmitted reliably over long distances, maintaining data integrity and quality.

One of the main features of Black Box CSU/DSU products is their support for various digital lines, including T1, E1, and T3, enabling compatibility with a wide range of telecommunication systems. The devices typically come equipped with built-in diagnostics that allow for proactive monitoring and troubleshooting. This feature aids in reducing downtime, as network administrators can quickly identify issues and implement corrective measures.

Moreover, Black Box CSU/DSU devices often support functionalities like error correction and line conditioning, enhancing data transmission reliability and minimizing latency. With features such as automatic line testing and remote management capabilities, these devices facilitate easier network maintenance.

Black Box employs advanced technologies in their CSU/DSU solutions, including integrated Ethernet bridging, which allows for the seamless integration of Ethernet networks with traditional phone lines. This feature is particularly beneficial for organizations transitioning to VoIP services, as it simplifies network architecture while still offering robust performance.

In terms of characteristics, Black Box CSU/DSU units are designed with durability and adaptability in mind. They often have modular components, allowing for easy upgrades or configuration changes as technology evolves or business needs change. This flexibility ensures that the devices can continue to meet the demands of modern networking environments.

In conclusion, Black Box CSU MS and DSU MS devices are essential for reliable and efficient telecommunications. With their extensive feature set, advanced technologies, and robust characteristics, they provide the backbone needed for seamless data communication in various industries. Their ability to integrate with existing systems while ensuring high performance and reliability makes them a preferred choice for many organizations that rely on stable and secure data transmission.