Northern Telecom DMS-100 Series Maintenance Manual page 233

A circuit of the DPP that accepts AMA data from the DMS-100 MTDs.
The DSI emulates a Magnetic Tape Drive on DMS-100 MTD Ports,
duplicating all of the communications signals normally exchanged between
the DMS-100 and an MTD.
DTR
Data Terminal Ready
A signal sent from a terminal device indicating to the host device its
readiness to communicate.
EAI
Emergency Administrative Interface
A terminal port at the DPP to support the Emergency Administrative
Terminal.
EAT
Emergency Administrative Terminal
A maintenance terminal connected directly to the DPP that is used for
performing various maintenance functions on the DPP. The EAT connects to
the DPP emergency administrative interface.
EIA
Electronic Industries Association
EMI
Electromagnetic Interference
Emissions given off by all electronic devices which may interfere with TV,
radio, police radio, and other forms of electronic communication if emitting
devices are not properly shielded.
EOT
End of Tape
A signal sent from an MTD to its host indicating that no more data should be
recorded on the currently loaded tape.
EPROM
Erasable Programmable Read Only Memory
A read-only memory in which stored can be erased by ultraviolet light and
reprogrammed.
ESD
Electro-Static Discharge
DPP Recovery and Routine Maintenance Guide BCS35 and up
List of terms 9-3