BICSI OSP COMPREHENSIVE EXAM
QUESTIONS AND SOLUTIONS STUDY GUIDE
●● Performance Margin =
Answer: Link Loss Budget -Passive cable attenuation
●● minimum system loss =
Answer: system gain - receivers dynamic range
●● System gain
Answer: difference between transmitter average power and receiver
sensitivity
●● Three transmission characteristics of Fiber
Answer: Bandwidth
Return Loss
Attenuation
●● ANSI / ICEA Classification
Answer: 1. Product family (PIC/AIR CORE/DUCTPIC)
2.Insulation type
3.Copper conductor size
,4. Cable sheath and jacket
●● Balanced twisted pair Gauge sizes
Answer: 19 AWG
22AWG
24 AWG
26 AWG
●● PIC
Answer: Plastic Insulated Conductor
●● Length of loop depends on..
Answer: Resistance of cable
Signal limits of devices
Pair Loading
●● Unlisted OSP limited to __m inside building
Answer: 15m (50 ft)
●● Broadband Twisted pair
Answer: Transport broadband services from remote switch to end user
,●● Baseband twisted pair
Answer: Used to provide horizontal distribution cabling, lengths up to
100m (328ft) eg, CAT 5/6
●● Copper color code
Answer: white / red / black/ yellow/violet
●● Gauge Coding Area Number (GACAN) limits use of how many
different gauges?
Answer: two
●● Two major factors in determining size and type of coax are..
Answer: attenuation margin and cost
●● Two biggest changes from one coax size to another are..
Answer: DC Resistance and attenuation
●● coax type for hostile climates
Answer: jacketed
●● coax type for moderate climates
Answer: Bare aluminum
, ●● Existing coax systems operate at what frequencies?
Answer: 450, 500 and 750mhz
●● New coax systems operate at what frequency?
Answer: 900-1000mhz
●● underground cable infrastructure has an expected lifespan of..
Answer: 50 years
●● maximum section lengths of copper conduit
Answer: 183m (600ft)
●● maximum section lengths of fiber conduit
Answer: 400m (1312ft)
●● duct should be at least ___ times the diameter of the cable , or
___trade size bigger
Answer: 1.15 times diameter or half trade size bigger
●● minimum separation for ducts crossing utilities
Answer: 6 inches
(except power ,12 inches tamped dirt,
QUESTIONS AND SOLUTIONS STUDY GUIDE
●● Performance Margin =
Answer: Link Loss Budget -Passive cable attenuation
●● minimum system loss =
Answer: system gain - receivers dynamic range
●● System gain
Answer: difference between transmitter average power and receiver
sensitivity
●● Three transmission characteristics of Fiber
Answer: Bandwidth
Return Loss
Attenuation
●● ANSI / ICEA Classification
Answer: 1. Product family (PIC/AIR CORE/DUCTPIC)
2.Insulation type
3.Copper conductor size
,4. Cable sheath and jacket
●● Balanced twisted pair Gauge sizes
Answer: 19 AWG
22AWG
24 AWG
26 AWG
●● PIC
Answer: Plastic Insulated Conductor
●● Length of loop depends on..
Answer: Resistance of cable
Signal limits of devices
Pair Loading
●● Unlisted OSP limited to __m inside building
Answer: 15m (50 ft)
●● Broadband Twisted pair
Answer: Transport broadband services from remote switch to end user
,●● Baseband twisted pair
Answer: Used to provide horizontal distribution cabling, lengths up to
100m (328ft) eg, CAT 5/6
●● Copper color code
Answer: white / red / black/ yellow/violet
●● Gauge Coding Area Number (GACAN) limits use of how many
different gauges?
Answer: two
●● Two major factors in determining size and type of coax are..
Answer: attenuation margin and cost
●● Two biggest changes from one coax size to another are..
Answer: DC Resistance and attenuation
●● coax type for hostile climates
Answer: jacketed
●● coax type for moderate climates
Answer: Bare aluminum
, ●● Existing coax systems operate at what frequencies?
Answer: 450, 500 and 750mhz
●● New coax systems operate at what frequency?
Answer: 900-1000mhz
●● underground cable infrastructure has an expected lifespan of..
Answer: 50 years
●● maximum section lengths of copper conduit
Answer: 183m (600ft)
●● maximum section lengths of fiber conduit
Answer: 400m (1312ft)
●● duct should be at least ___ times the diameter of the cable , or
___trade size bigger
Answer: 1.15 times diameter or half trade size bigger
●● minimum separation for ducts crossing utilities
Answer: 6 inches
(except power ,12 inches tamped dirt,
