V25-70 EMERGENC VOICE COMMUNICATION S STEM FEATURES
Dedicated call buttons: Simple, fast one press operation.
Initiate calls to Remote Handsets: Allows Master Handset to place calls to the emote Handsets.
Privacy mode: For confidential communication between Master and selected emote Handset.
Modular design: Cater for easy future expansion by adding modules.
Audible and visual call indicators: Ensures all incoming calls are annunciated – no missed calls.
Supervised handsets: Immediate alert of cabling faults in any handsets.
Digital voltmeter and current indicators: Convenient checking of system power supply condition.
High voltage and lightning protection circuit: educes downtime caused by induced voltage spikes.
Boost charge facility: Speeds up battery charging after any prolonged mains power failure.
Power supply protection: Short circuit, overload and over voltage protection reduces downtime.
Full LED indicators: LEDs last longer and reduces capacity of standby battery.
Lamp test facility: Fast and convenient one press button to test all status indicators.
Optional Cassette Recorder Module: ecords conversation for post event analysis.
OPERATION
Master Control Panel Calling Remote Handsets
1. aising the Master Handset of the Master Control Panel enables every zone “SELECT” button.
2. Pressing the “SELECT” button of the required zone will cause the selected zone’s “CALL” indicator to flash.
3. A distinctive audible call signal at the selected emote Handset will sound.
4. aising the called emote Handset off its cradle will silence the audible call signal.
5. The flashing “CALL” indicator of the Master Control Panel will turn steady.
6. Communication link is now established.
Privacy Mode
The Privacy Mode facility allows private conversation between the Master Handset and any selected emote Handsets. emote
Handsets which have not been selected will receive a “busy” tone. The system is on Privacy Mode by default.
1. When the Master Handset is raised, the “P IVACY LINE ON” indicator lights up indicating that the system is in Privacy Mode.
2. A “busy” tone will be heard on any of the raised handsets. The “CALL” indicators of the raised handsets will flash.
3. Pressing the “SELECT” button of any raised handset zone will establish communication with it. The flashing “CALL” indicator of
the selected handset zone will turn steady.
4. Additional callers can be added into the communication channel by pressing its “SELECT” button.
5. To disable Privacy Mode and allow all callers to participate in the communication, press the “P IVACY MODE” button. The
“P IVACY LINE ON” indicator turns off. The system is now in conference mode and all new callers will be able to participate in
the conversation.
Master
Model: V25-71
Features
- Battery charging and supervision
- Digital Volt and Amp meter
- AC/ DC fuse protection
- Float and boost charge mode
- Auto boost charge cut off
- Internal AC mains switch & fuse
Specification
Size: 110 (w) x 316 (h) x 110 (d) mm
Weight: 1750 gram
Material: 16 gauge sheet steel
Finish: Powder coated paint, beige
white
Input: 230 VAC
Output: 28.8 V ± 0.5 VDC, 4A*
DC Fuse: 5A*
Battery Fuse: 3A*
Output Fuse: 1A*
Configuration
One module per system, compulsory
* atings for system above 80 zones
available on request
Common Trouble Indicator Module
Model: V25-72
Features
- System fault annunciator
- Common fault indicator
- Audible buzzer
- Call, Busy, eady tone generator
- Supervisory circuit
Specification
Size: 110 (w) x 316 (h) x 52 (d) mm
Weight: 350 gram
Material: 16 gauge sheet steel
Finish: Powder coated paint, beige
white
Input: 15 VDC
Quiescent current: approx. 25mA
Lamp Test Current: approx. 200mA
Configuration
One module per system, compulsory
V25-70 EMERGENC VOICE COMMUNICATION S STEM COMPONENTS
