HP auroraTempo User Manual page 277

Alarm which indicates loss of framing synchronization.
RLOS
A device for connecting two or more LANS.
Router
The function which ensures that the correct path through a
Routing
network is selected.
A standard type of serial connector.
RS232
Real Time Clock. A calendar clock that is powered from its
RTC
own battery and that continues to run even when aurora
is switched off or the power is removed.
Request To Send / Clear To Send. A type of flow control
RTS/CTS
where the RTS line is used by the Data Terminal Equipment
to indicate that it wishes to send data. The Data
Communications Equipment indicates it may send the data
by asserting CTS.
Safety Extra Low Voltage. A circuit which is protected from
SELV
hazardous voltages.
SF/D4 Superframe Format.
The transmission of information which is related to
Signalling
switching.
Subscriber Line Concentrator - this is a framing type.
SLC96
In asynchronous serial data transmission each character is
Stop bits
encapsulated between a start bit and one or more stop bits.
These bits define the end of one character and the start of
the next and trigger the line into an idle or active state.
Switched Virtual Circuit. A virtual connection through the
SVC
network which can be set up and cleared down on a call by
call basis.
Frame Relay switches accept traffic from access
Switch
Issue 1a - 10/99
Appendix 4 - Glossary
Tempo
A4 - 11