Constellation™ 2002 June 20
G-2
D
DMM. Digital MultiMeter.
DRAM. Dynamic Random-Access Memory.
D connectors, subminiature. The size of the subminiature D connector is
specified by the standard shell size and the number of connectors. For example,
a 15-pin connector is referred to as a DA-15. See the following table.
DTMF. Dual-Tone MultiFrequency.
DUART. Dual Universal Asynchronous Receiver-Transmitter.
E
EEPROM. Electronically Erasable Programmable Read-Only Memory.
EFS. Error-Free Seconds.
EFSR. Error-Free Seconds Ratio.
EMI. Electro-Magnetic Interference.
EPLD. Erasable Programmable Logic Device.
EQM. Eye Quality Monitor.
ES. Errored Seconds.
ESR. Errored Seconds Ratio.
ET. Elapsed Time.
ETSI. European Telecommunications Standards Institute.
F
FarScan.
Harris’ network management system software.
FCC. Federal Communications Commission (U.S.).
Standard Shell Size No. of Connectors
E9
A15
B25
C37
D50
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