Glossary
NMS | Network Management System. A computer system used for monitoring and controlling |
| network devices. |
NSP | Network Service Provider. A local telephone company or ISP that provides network |
| services to subscribers. |
packet | A group of control and data characters that are switched as a unit within a communications |
| network. |
PING | An |
| request and waiting for a reply. The ping program is supported from both the DSL and |
| MCC cards. |
POTS | Plain Old Telephone Service. Standard telephone service over the PSTN with an analog |
| bandwidth of less than 4 Hz. |
POTS Splitter | A device that filters out the DSL signal and allows the POTS frequencies to pass through. |
PPP | |
proxy ARP | Proxy Address Resolution Protocol (ARP). A technique for using a single IP address for |
| multiple networks. A device responds to ARP requests with its own physical address, then |
| routes packets to the proper recipients. |
Router | A device that connects LANs by dynamically routing data according to destination and |
| available routes. |
Routing Table | A table used by a node to route traffic to another node in the multiplexer network. |
RTU | Remote Termination Unit. A DSL device installed at the customer premises. |
s1c | Interface name of a DSL card's DSL port #1. |
s1d | Interface name of a DSL card's DSL port #2. |
s1e | Interface name of a DSL card's DSL port #3. |
s1f | Interface name of a DSL card's DSL port #4. |
Service Node | Endpoint modem at the customer premise, also known as a Remote Termination Unit |
| (RTU). There are two model types. See RADSL and MVL. |
SNMP | Simple Network Management Protocol. Protocol for open networking management. |
SNMP agent | An application level program that facilitates communication between an SNMP |
| management system and a device. See NMS. |
SNMP trap | A message sent to an SNMP manager to notify it of an event, such as a device being |
| reset. |
static route | A |
| chosen by dynamic routing protocols. |
subnet address | The subnet portion of an IP address. In a subnetted network, the host portion of an IP |
| address is split into a subnet portion and a host portion using an address (subnet) mask. |
| This allows a site to use a single IP network address for multiple physical networks. |
subnet mask | A number that identifies the subnet portion of a network address. The subnet mask is a |
| |
| subnet portions of the address. |
TCP | Transmission Control Protocol. An Internet standard transport layer protocol defined in |
| STD 7, RFC 793. It is |
May 1998 |
|
