SECTION III PERFORMANCE TEST CHECKS-CONT.

T.O. 31W2-2GSC24-2

TM 11-5805-688-14-1

NAVELEX 0967-LP-545-3010

functional printed circuit cards that receives one

demultiplexed data channel and processes the

ASYNCHRONOUS - Signals or events which are not

data (with or without timing) into the original form

synchronous or not of a common period and

in which it was applied to the far end

phase (frequency) relationship one to another.

multiplexer.

DEMULTIPLEXER COMMON CARD - One of the five

functional printed circuit cards that perform the

BIT COUNT INTEGRITY - (BCI) - A measure of the

demultiplexing of the high-speed serial data

multiplexer set's ability to process applied

input stream into the original channel data inputs

channel data without inducing data errors.

that are applied to the demultiplexer channel

cards.

DIAGNOSTIC CIRCUITS - The multiplexer,

CHANNEL - A single subscriber's interface with the

demultiplexer, and power supply circuits that

multiplexer set.

detect and signal the occurance of faulty

functional circuit operation.

CHANNEL CARD - See MULTIPLEXER CHANNEL

CARD and DEMULTIPLEXER CHANNEL

CARD.

FRAME SYNCHRONIZATION - Synchronization of the

CHANNEL DATA RATE - (Rc) - The rate at which

bit and word format intervals of receiving

channel data enter the multiplexer or leave the

demultiplexer with those of the transmitting

demultiplexer.

multiplexer.

CHANNEL DATA SAMPLING RATE - (KRp) The

FUNCTIONAL CIRCUITS - Multiplexer and

product of the port sampling (Rp) rate and the

demultiplexer circuits other than the diagnostic

number (K) of ports assigned to the channel.

circuits.

COMMON CARD See - MULTIPLEXER COMMON

CARD and DEMULTIPLEXER COMMON

MAJOR FRAME - A major frame contains 31 minor

CARD.

frames of data. Each minor frame contains

channel data, and overhead data pertaining to

one of the 31 ports.

DATA SAMPLING RATE See CHANNEL-DATA

MINOR FRAME - A minor frame contains 29 channel

SAMPLING RATE.

data words and overhead data for one port.

DATA WORD - One multiplexer port scan containing

MULTIPLEXER CHANNEL CARD One of three

one bit from each used port plus one bit from the

functional printed circuit cards that performs the

overhead port. Maximum length of a data word

input function of converting incoming

is 32 bits; the minimum length is 16 bits.

asynchronous data for one channel into a

synchronous form that is subsequently applied to

DEMULTIPLEXER CHANNEL CARD - One of four

the multiplexer common cards for multiplexing.

Glossary 1