Multi-Tech Systems Multivoip 200 Model Mvp200 Voice/fax Over Ip Networks User Guide

91 Glossary
Network:  A group of computers connected by cables or other means and using software that enables them to share equipment, such as
printers and disk drives to exchange information.
Node:  Any point within a network which has been assigned an address.
O
Object-Orientated:  A method for structuring programs as hierarchically organized classes describing the data and operations of objects that
may interact with other objects.
Office Channel  Unit - Data Port (OCU-DP):   The CO channel bank used...

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Private Branch Exchange (PBX):  A phone exchange located on the customers premises. The PBX provides a circuit switching facility for
phone extension lines within the building, and access to the public phone network. See also Exchange.
PROM (Programmable Read Only Memory - pronounced prom):    A permanent memory chip that can be programmed or filled by the
customer after by the manufacturer has set initial values. Contrast with ROM.
Protocol:  1. A set of semantic and...

93 Glossary
RS-422:   The EIA standard for a balanced interface with no accompanying physical connector. RS-422 products can use screw terminals,
DB-9, various DB-25, and DB-37 connectors.
RS-530:  The EIA standard for the mechanical/electrical interface between DCEs and DTEs transmitting synchronous or asynchronous serial
binary data. RS-530 provides for high data rates with the same connector used for RS-232; however, it is incompatible with RS-232.
S
Serial Port:  The connector on a PC used to attach...

94 MultiVOIP 200 User Guide
T1 Channel Tests:  A set of diagnostics that vary by carrier, used to verify a T1 channel operation. Can include Tone, Noise Level, Impulse
Noise Level, Echo Cancellors, Gain, and Crosstalk testing.
T1 Framing:   To digitize and encode analog voice signals requires 8000 samples per second (twice the highest voice frequency of 4000
Hz). Encoding in an 8-bit word provides the basic T1 block of 64K bps for voice transmission. This Level 0 Signal, as its called, is repre-
sented...

95 Glossary
V.25bis:  An ITU-T standard for synchronous communications between a mainframe or host and a modem using HDLC or other character-
oriented protocol.
V.54:  The ITU-T standard for local and remote loopback tests in modems, DCEs and DTEs. The four basic tests are:
•  local digital loopback (tests DTE send and receive circuits),
•  local analog loopback (tests local modem operation),
•  remote analog loopback (tests comm link to the remote modem), and
•  remote digital loopback (tests remote...

96 MultiVOIP 200 User Guide 

97 Glossary
Index
A
Archie ............................................................. 75
B
Back Panel ..................................................... 12
C
Collision ........................................................... 11
Command Connector ..................................... 12
Configuration Port Setup ................................ 42
Configuration Utilities ..................................... 42
Connectors
Command ................................................... 12
Power...