DSCover Satellite Products SCW904x manual Appendix E 2-WayAudio Verification SCW9047 only, Format

Appendix E: 2-Way Audio Verification (SCW9047 only)

Appendix E: 2-Way Audio Verification (SCW9047 only)

The following information is intended for use by the Central Station Operator.

The SCW9047 Audio Verification provides Talk and Listen-in capability for audio verification of alarms. This allows the central station to communicate with the occupants through the microphone and speaker of the alarm system. The commands indicated below are a subset of the

SIA Audio Verification Standard (November 11, 1997)

The 2-way Audio Session

1.Zone Violation: A 2-way audio session begins with the violation of a zone that has zone attribute 9 enabled. By default the following do NOT initiate a 2-way session:

•Fire Zones, zone 87, 88, 89 and the Fire Key

•Supervisory zones, zones 9 and 10

•24 Hr Freeze zone, zone 20

By default 1-way audio (Listen-in only) is initiated by the following:

•Silent Panic events (Silent [P], Silent Panic zone)

•Duress alarm

•Silent zone alarm (Zone attribute 1 OFF)

NOTE: The Operator can NOT switch to Talk mode (Speaker is always OFF)

2.Communication to the Monitoring Station: When the appropriate Alarm is triggered one of the following reporting codes/actions is sent to the monitoring station.

Format	Reporting Code/Event
SIA	L90
Contact ID	606
BPS	Communicates the Event, then automatically enters into 2-way Audio mode

3.Alerting the Operator: When the reporting code is received by the monitoring station or a 2-way session is automatically initiated, a 2-way Initiation (Start) tone will be sounded to alert the operator. A high (1800 Hz) tone and a low (900 Hz) tone are used to generate the following Session Tones. Short tone duration is 100ms. Long tone duration is 1 second.:

2-way Initiation (Start) Tone:

3 Hi Tones (Short)	After the third short Hi tone has sounded, the system switches directly into Listen-in mode without
	a keypress from the monitoring station.
Reminder Tones:
1 Hi Tone (Short)	1 Short Hi Tone indicates 20 seconds are left in the audio session
1 low Tone	1 Short Low Tone indicates 10 seconds are left in the audio session
Subsequent Alarm:
1 Hi Tone Long	1 long Hi Tone indicates a new alarm event if Section [023] Option 6 (New Alarms will not discon-
	nect 2-way Audio) is enabled, alarms will be delayed. If disabled the audio session will terminate.
	NOTE: Receiving a subsequent alarm event tone will not restart the 90 second session timer.
Subsequent Fire Event:
Hi, Low, Hi	3 short (100ms) tones Hi, Low, Hi indicates a new Fire alarm if Section [023] Option 6 (New Alarms
(Short)	will not disconnect 2-way Audio) is enabled. If disabled the audio session will terminate.
	NOTE: Receiving a subsequent Fire alarm event tone will not restart the 90 second session timer.

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