Glossary
GL-8
Strata CT I&M Manual October 2000
SSTU
Factory-installed sub-unit board that is “piggy-backed” onto the PSTU
or PSTU2.
S/T Interface
Reference interface points (“S” or “T”) of an ISDN network. S/T
interfaces are RJ45, 8-wire connection interfaces for ISDN equipment.
An NT1 is needed to network U-type BRI lines to S/T type interfaces.
TAPI
Telephone Application Programming Interface.
TA
Terminal Adapter or ISDN modem that converts PC and other types of
protocol into a signal that works with ISDN. Generally, TAs support
RJ11 voice ports and RS-232C or V.35 or V.449 data interfaces.
TE
Terminal Equipment. This refers to devices using ISDN service
(telephones, faxes, computers, etc.). TE1 supports ISDN formats with
S/T or U-type intefaces.
TSPI
Telephony Service Provider Interface.
TTY
Flexible RS-232 port which can be used for maintenance SMDI and
MIS (ACD).
TTY-PC-CABLE
Designed to connect directly to the DB9 connector of PC COM ports,
while PPTC connects directly to an ASCII terminal female DB25, not a
PC COM port male DB25.
U Interface
A single twisted pair of copper wire on an RJ11 jack. The wiring is
identical to POTS, with different signaling. Only one U-interface device
can be attached per line.
Universal slot
Slots in a telephone KSU/cabinet that are used for a variety of optional
PCBs.
Term
Definition
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Summary of Contents for Strata CT
Page 36: ...Strata CT Configuration 1 22 Strata CT I M Manual October 2000 H C ...
Page 94: ...Strata CT Installation 2 58 Strata CT I M Manual October 2000 H C ...
Page 242: ...Peripheral Installation 6 54 Strata CT I M Manual October 2000 H C ...
Page 258: ...ACD Installation 7 16 Strata CT I M Manual October 2000 H C ...
Page 274: ...Fault Finding 8 16 Strata CT I M Manual October 2000 H C ...
Page 364: ...ISDN Interfaces 10 38 Strata CT I M Manual October 2000 H C ...
Page 370: ...Notes to Users A 6 Strata CT I M Manual October 2000 H C ...