Westermo ID-90 - Manual (Page 114)

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DLCI
Data Link Connection Identifier Layer 2 address field contains SAPI and TEI.
DPSK
Differential Phase Shift Keying. Employed in data rates up to 4800bit/s.
DSR
Data Set Ready. A signal from the DCE used to say that is powered and usable.
DSS1
Digital Subscriber Signalling System No. one.
DTE
Data Terminal Equipment like PC,s, terminals and printers.
Data Compression and Error Correction.
DTMF
Dual Tone Multi-Frequency.
DTR
Data Terminal Ready. A signal from the DTE showing it is powered and usable.
Duplex
Means that the communication is bi-directional. In half duplex, the devices take turns send-
ing and receiving. In full duplex, sending and receiving can take place simultaneously.
EPB
Extended Passive Bus.
EEPROM
Non Volatile Electrically erasable and rewriteable . Used to store profile information and
numbers even when the unit has no power.
ET
Exchange Terminal, function in the telephone station with adaption of the switching sys-
tem in the station.
ETR
ETSI Technical Report.
ETS
European Telecommunication Standard.
ETSI
European Telecommunication Standards Institute.
Euro-ISDN
The ISDN, implemented based on European standards, another name of DSS1.