Specifications

162 Module 125: Protege GX System Design | Review Questions
Review Questions
Where should copper clad aluminium cables be used?
 For Reader connection
 For RS-485 Module Network connection
 CCA cables should be used wherever possible due to its higher attenuation
 The use of CCA cables should be avoided
If the keypad cable was damaged, causing a short across all conductors, what would
happen?
Cabinet
ZX16 RDI2
PSU Controller
Primary RS-485 Secondary RS-485
Keypad
 The Keypad would stop functioning. The RDI2 would stop functioning. Everything else would continue
to function properly.
 The Keypad would stop functioning. Everything else would continue to function properly.
 Everything would continue to function properly.
 The Keypad would stop functioning. The RDI2 would go into offline mode. Everything else would
continue to function properly.
In Offline Operation...
A front door of a retail shop is connected to an RDI2-DIN intelligent reader expander which is programmed for
'First 10 Users + Cache' mode. The door is programmed to unlock at 9am and lock at 5 pm. Jane, one of
the shop staff, is programmed as User 202. If the expander was to go offline at 5am, what would happen?
 The door would not unlock at 9am. Jane would be granted access.
 The door would not unlock at 9am. Jane would not be granted access.
 The door would unlock at 9am. Jane would be granted access.
 The door would unlock at 9am. Jane would not be granted access.