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DLE is a Data Link Escape sequence used to signal the beginning of a new data frame. It is transmitted as a single character followed by two characters that specify the type of frame that follows. The DLE character is usually transmitted as the first byte of each frame. DLE has several uses, including: – … Read more

DISA, or Direct Inward System Access, is a phone system feature that allows users to dial into a company’s PBX network from any touch-tone phone. This can be a useful tool for businesses with remote employees or offices, as it allows them to connect to the main PBX network without having to use a dedicated … Read more

DHCP, or Dynamic Host Configuration Protocol, is a network protocol used to automatically assign IP addresses to devices on a network. DHCP is used mostly in networks where devices are not permanently assigned an IP address, such as in home and small office networks. DHCP works by assigning a temporary IP address to each device … Read more

DF – Don’t Fragment is a very important rule when it comes to networking. It ensures that packets are not fragmented and that they are sent in one piece. This is especially important for real-time applications such as VoIP or video streaming. Fragmentation can cause all sorts of problems, from packet loss to jittery audio … Read more

DES, or the Data Encryption Standard, is a widely-used method for ensuring data security. DES uses a 56-bit key to encrypt and decrypt data, making it relatively secure against brute force attacks. However, DES has been broken by several research teams and is no longer considered secure against more sophisticated attacks. As such, it is … Read more

DEC was a leading computer company throughout the 1960s and 1970s. They were known for their innovative products, such as the PDP-11 minicomputer, and their strong commitment to customer service. However, DEC’s fortunes began to decline in the 1980s as they failed to keep up with changes in the computer market. In 1998, DEC was … Read more

DDS (Dataphone Digital Service) is a data communications service that uses the public switched telephone network to provide digital data services. It was introduced in 1984 by AT&T and Bell Laboratories. DDS provides high-speed digital data communication between computers and other devices over the existing copper twisted pair telephone lines. DDS uses time division multiplexing … Read more

A digital cross-connect system (DCS) is a piece of network equipment that provides the ability to connect any type of digital signal to any other type of digital signal. A DCS is used in both telecommunications and data communications networks. A DCS typically consists of a matrix switch that can be controlled by software. The … Read more

DCE is the hardware that connects a computer to a network. It is responsible for terminating the data circuit and providing clocking signals. DCEs are typically found in routers, switches, and other network devices. Without DCEs, data would not be able to flow between devices on a network. DCEs play an important role in ensuring … Read more

A data bus is a computer bus that carries digital information between devices. It can be used to connect devices within a single computer or to connect computers to each other. Data buses come in a variety of sizes and speeds, depending on the needs of the devices they are connecting. Call (888) 765-8301 and … Read more