
on the previous page. The formula
2n - 1
applies where
n
is the value of
the PSU ID. For example, if you assign ID 10 to an SAP 25, each transponder will be assigned the X-
BUS IDs 19 and 20.
NOTICE: In the PSU dropdown list, a hash (#) symbol prefixes an SAP 25 ID to indicate that the
automatic addressing of transponders will conflict with existing input transponders. To resolve this
conflict, you must readdress one of the conflicting devices.
23.22 FlexC Glossary
Acronym EN50136-1 Description
FlexC Example
AE
Annunciation Equipment
Equipment located at an ARC which secures and displays the
alarm status, or the changed alarm status of ASs in response to
the receipt of incoming alarms before sending a confirmation.
The AE is not part of the ATS.
SPC Com XT Client
ARC
Alarm Receiving Centre
Continuously manned centre to which information concerning the
status of one or more AS is reported.
SPC Com XT would be installed in
an ARC.
AS
Alarm System
Electrical installation, which responds to the manual or
automatic detection of the presence of a hazard. The AS is not
part of the ATS.
SPC Panel
ATE
Alarm Transmission Equipment
Collective term to describe SPT, MCT (Monitoring Centre
Transceiver) and RCT.
-
ATP
Alarm Transmission Path
Route an alarm message travels between an individual AS and
its associated AE.
The ATP starts at the interface between AS and SPT and ends
at the interface between RCT and AE. For notification and
surveillance purposes the reverse direction may also be used.
A defined path between the SPC
panel and SPC Com XT. For
example, system with Ethernet as
the primary path and GPRS as a
backup path would be two
separate ATPs of an ATS.
ATS
Alarm Transmission System
ATE and networks used to transfer information concerned with
the state of one or more ASs at a supervised premises to one or
more AEs of one or more ARCs. An ATS may consist of more
than one ATP.
A system combining one or
multiple paths between SPC panel
and SPC Com XT.
RCT
Receiving Centre Transceiver
ATE at the ARC including the interface to one or more AE(s) and
the interface to one or more transmission networks and being
part of one or more ATPs. In some systems this transceiver may
be able to indicate changes of the status of an AS and to store
log-files. This may be needed to increase the ATS availability in
case of AE failure.
SPC Com XT Server
SPC4xxx/5xxx/6xxx – Installation & Configuration Manual
Appendix
© Vanderbilt 2018
393
A6V10276959-d
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