Blue Book Chapter 8 Flashcards
how can something as simple as a lost key cost a company a lot of money
Replacing keys, lock-sets and codes is very expensive. may also have to hire a gaurd
what information can be stored on smart cards
- photos
- ID
- personal info
- financial information
- medical information
- fingerprints…
what are the two most common communication methods for network control panels.
Ethernet -
RS485 4,000 feet
What is the least secure form of access control?
Mechanical
what are the three holding force ratings for magnetic locks?
250-500 lbs
600-750 lbs
1,200-1,500 Lbs
How do AC powered door strikes differ from DC powered door strikes
AC has a constant buzz when powered off a transformer while DC is silent and can use a battery powered back up.
is a mag lock or electric strike preferred for a high traffic door?
mag locks because they have less moving parts. strikes wear out.
What is the difference between fail safe and fail secure lock-sets?
fail safe doors unlock when power is lost and must be DC voltage only
Fail secure doors stay lock during power loss and can use AC or DC power
what type of connection is needed when interfacing with the fire alarm panel
fail safe
what is the normal read range for a proximity reader?
1-8 inches
what lock-sets are typically used for emergency exit doors
rim locksets
how does a delayed egress door work?
delay unlocking for 15-30 seconds upon egress request. sounds alert or alarm
what can be used to increase the range of a reader?
- use a powered reader
- use active card (not passive)
Why is it important for the magnetic lock strike plate to float?
so the strike plate has the best possible contact to the magnet when door closes.
how do bar code readers work?
- insert card, light reflects off bar, number is scanned.
- like a UPC scanner
- Easily copied lite security
what is the purpose of an audit trail
provides a detailed list of all transactions occurring.
What are site codes
sets of pre-fixed numbers to a cards data information