BA 008: Entry Control - Telemetry Flashcards
Where would numbers 1 and 2 repeaters be positioned?
Number 1 - within range of the ECB
Number 2 - within range of Number 1 repeater or the ECB
Name some good positions for where repeaters should be positioned?
Four answers
Inside entrances to buildings
Too or bottom of stairs
Entrance of tunnel
At sharp corners in tunnels
What appliance carries leaky feeders and repeaters?
Fire Rescue Unit (FRU)
How often is data transmitted between the ECB and BA sets?
Every 20 seconds
What is the range of the ECB?
3km of sight range, although it can be severely restricted by buildings
What is the battery life of the ECB, how many batteries does it have?
2x4 hours (8 hours)
When is the ECB tested?
Four answers
On acceptance
After operational use
Monthly
Daily at change of watch
What are repeaters and leaky feeders used for?
Restoring signal if telemetry is lost between the ECB and the BA sets