Part 3 Telecomm Installation Flashcards
Which pins are used for the following outlets and what colour wires terminate on them –
a) A 610 telephone outlet
b) A Krone Media outlet
c) An RJ45 outlet used for a telephone service
d) A 611 mode 3 alarm outlet, both incoming and outgoing pairs
e) A modular mode 3 alarm outlet, both incoming and outgoing pairs
a. (2-white, 6-blue)
b. (5-white, 4-blue)
c. (5-white, 4-blue)
d. (I/C 5-white, 4-blue; O/G 6-white, 3-blue)
e. (I/C 2-white, 6-blue; O/G 1-white, 5-blue
Name the two forms a cabler completes at the end of a cabling job. Which one is Mandatory?
(Mandatory – TCA1; Optional – TCA2)
Why is only one wire permitted to be terminated in a slot
in a Krone Media outlet installed at the Network Boundary?
(Because the carrier and customer conductors are different diameters, one will become loose)
What is the colour of the wires for the 87th pair in a Category 3 indoor telephone cable (10pr cellophane wrap groups)?
(Mate – Red;
Colour – Orange; Whipping – Brown/Brown)
What is the colour of the wires for the 29th pair in a Category 1 indoor telephone cable (banded colour code)?
(Mate – Yellow; Colour – Blue/Brown)
What is another term for a –
a) Floor Distributor (FD)?
b) Local Distributer (LD)?
c) Building Distributer (BD)?
d) Campus Distributer (CD)?
a. (IDF – Intemediate Distribution Frame)
b. (FDP – Final Distribution point)
c. (MDF – Main Distribution Frame {Network boundary or not})
d. (MDF – Main Distribution Frame - Network Boundary)
What is the primary purpose of a CES System?
(Earth – Protective and Functional)
What is the primary purpose of the TRC?
(Earth - Functional)
What is the primary purpose of a TFEE?
(Earth Electrode for the TRC – Functional earth only)
Name 3 types of Registered Jack that are used in Australia.
(RJ45, RJ12, RJ11)
What are the primary colour pairs used in data cable construction?
(Blue, Orange, Green, Brown pairs each with white mates)
What is the primary purpose for using a KRONE MODE 3 socket?
(Security alarm systems, also Nurse call)
Define both Campus and Building Backbone Cabling.
(Campus - fixed cabling between buildings on a campus
Building - fixed cabling within an individual building)
What are the primary colour pairs used for 3 pair telephone cable?
(Pair 1 white blue;
Pair 2 red black; Pair 3 orange green)
What are the basic items of information contained in the cable record book
located at each distributer?
(Where you are distributer name Incoming fixed cable info Outgoing fixed cable info Customer service details Cross-connect details)
For what reason is the cable core of an underground cable typically filled with grease (gel)?
To prevent the longitudinal movement of water/moisture along the cable core
[S008 5.6.8 note 1 page 25 and S009 18.4 (b) Note 2 page 87]
- Draw the Australian Standard symbols representing –
a) double floor outlet
b) coax cable
c) 4 pair cable
d) single ceiling mounted outlet
e) riser shaft
a. [appendix ‘F’ Handbook 29 pages 123 – 128]
State the colour of the wire on pins 1 to 8 in an RJ45 outlet using terminating
type 568a. Make sure you relate the mates to their colours.
Pin1 mate of green Pin2 green Pin3 mate of orange Pin4 blue Pin5 mate of blue Pin6 orange Pin7 mate of brown Pin8 brown
[HB29 fig 4.1 (a) page 64]
What is the construction of FTP cable?
All four pairs as a group enclosed in foil with a drain wire included under the sheath; [handout sheet]
How is Sc/FTP cable constructed?
Each pair separately enclosed in foil with all four pairs as a group enclosed in braid
[handout sheet]
Why do we stagger cable attachments when pulling in multiple cables?
(to present a tapered leading edge to reduce the chance of snagging)
List four facilities that a Network Boundary MDF provides
1 termination point for the carrier’s lead-in cable
2 distribution point for the customer cabling
3 surge arrestor installation point
4 test position
5 point of origin for the TRC
6 cross connect point between the carrier’s network and customer
How is underground non-metallic conduit marked?
(if white PVC, the word ‘Communications’ every 1 to 3 metres
If Polyethylene, a moulded continuous white stripe[s])
What effect does rotational (torsion) force have on a cable’s internal construction?
(it can disrupt the pair’s twist ratio)
