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comm tech 4 training 2011
comm tech 4 training 2011
155
Other
Professional
12/01/2011

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Term
Characteristics of a role model
Definition
compasionate, works through challenges, committed, trustworthy, wise, admits when wrong
Term
Responsibilities of a champion
Definition
seek new challenges, open to feedback, set goals, build trust, industry knowledge, general business expertise
Term
OJT (on the job training)
Definition
learning that requires the student not the champion to be primarily responsible to completing work
Term
Shadowing
Definition
learning that allows the champion to be primarily responsible for completing the work order
Term
Cross Training
Definition
a technician that primarily installs video services working with a student who is installing digital voice services
Term
Coaching
Definition
learning that occurs throughout a day of ride-outs that addresses any aspect of the students spirit, ability or career development
Term
Key facts of adult learning
Definition
Variety, brevity, experience, self discovery, relevance
Term
Adult learning styles
Definition
visual, auditory, tactile
Term
components of using voice effectively
Definition
rate (speed), volume (how loud), force (emphasis), pitch (highness or lowness in tone)
Term
Hand motion do's
Definition
hands in front, hands below waist, use to hold props, emphasize important points
Term
Hand motion do not's
Definition
flail, put hands behind back, bury in pockets, make anoying noise
Term
Effective eye control
Definition
look cust in the eye, show confidence, 3-5 sec eye contact, look at prop in use, look at cust to see reaction
Term
Selling techniques
Definition

build rapport, ask questions, listen, position the product, communicate benefits, ask for the sale

 

Term
Paraphrasing
Definition
restating what cust just said to give meaning in another form for clarity
Term
Passive listening
Definition
indicating you are paying attention while customer speaks
Term
Agreement responses
Definition
validation of what you just heard from customer
Term
CODEC
Definition
compression/decompression
Term
Examples of CODECS
Definition
MPEG, MP3, WAVE
Term

MPEG

Moving Pictures Experts Group

Definition
a family of standards used for coding audio visual information in a digital compessed format
Term
MPEG 1 example
Definition
video and cd's
Term
MPEG 2 examples
Definition
dvd, catv, hdtv (comcast is an example)
Term
MPEG 4 examples
Definition
internet streaming, video on cell phones, interactive tv
Term
Comcast is an example of what kind of MPEG?
Definition
MPEG 2
Term

I-pictures

 

Definition
the first picture in a sequence called an  intra-coded picture (stays the same) that contains all the spacial information
Term
P-pictures
Definition
p-picture is the predictive picture which is a computed picture based on the nearest I or P picture and are more highly compressed than I
Term
B-pictures
Definition
these are bi-directional pictures that use past and subsequent pictures as refences
Term
DTCP (Digital Transmission Content Protecion)
Definition
standards specification to provide protected digital entertainment in the home, cryptographic protocal for protecting audio/video from illegal copying/tampering
Term
Macrovision
Definition
an analog, copying and privacy company
Term
ACP (Analog Copying and Piracy)
Definition
technology that distorts or prevents copies made over an analog connection
Term
CA (Conditional Access)
Definition
the protection of content by requiring certain criteria to be met before granting access
Term
Access Point
Definition
device that allows wireless devices to connect to a wired network
Term
Transmitter/Receiver
Definition
included in an access point that operates in either the 2.4GHz and 5GHz radio band
Term
802.11
Definition
wireless network
Term
Extension Points
Definition
going beyond the range of routers by picking up communications to and from access points and re-broadcasting with renewed signal strength
Term
Hot Spots
Definition
networks that are open to the public that are found in coffee shops, airports, universities and hotels
Term
Security threats to a computer
Definition
virus, spyware, adware, spam, hackers, hijacking, phishing
Term
Actions of a virus
Definition
replication, event watching, camaflouge, delivery
Term
Replication
Definition
virus inserting copies into other program files each time its host is read by the computer
Term
 Event Watching
Definition
a virus checking for certain conditions usually on a specific date delivering its destructive payload
Term
Camouflage
Definition
viruses disguising itself by morphing and creating fake code to break up its identifying signiture
Term
Delivery
Definition
when a virus triggering condition is met it unleashes its payload
Term
Types of Viruses
Definition
executable, e-mail, worms, trojan horse
Term
Spyware
Definition
info sent about you and what you are browsing (history, recording keystrokes)
Term
Adware
Definition
automatically displays advertising for products based on websites you are browsing
Term
Spam
Definition
unsolicited bulk e-mail also targeting instant messenger, news groups and search engines
Term
Firewall
Definition
hardware or software place between computer and internet to block hacking attempts to enter computer
Term
Packet Filtering
Definition
selective passing or blocking of data as it passed through a network interface (firewall)
Term
Proxy
Definition
the server that all traffic flows through in and out of the network that is located outside the firewall
Term
Stateful Inspection
Definition
tracking of each connection on all interfaces of the firewall making sure they are valid (contents of packets and header information)
Term
127.0.0.1
Definition
pings computer itself to verify it can communicate with itself
Term
Power Boost
Definition
allows faster connection with extra speed up to 12Mbps when downloading large files
Term
HTIB (Home Theater in a Box)
Definition
responsibility of the customer for self install of theater system
Term
ILEC (Incumbent Local Exchange Carrier)
Definition
local telephone company such as AT&T
Term
Different types of ILEC connections
Definition
66 block, NID (network interface device), screw terminal block
Term
KSU (Key System)
Definition
allows group of phone stations to access a common set of telephone lines
Term
EMTA (Embedded Multimedia Terminal Adapter)
Definition

device that allows up to 8 phone lines, tiered data and other advanced IP services

 

Term
66 Block
Definition
type of punch down used to connect sets of wires in a telephone system
Term
110 Block
Definition
type of block that is used to connect twisted pairs for data applications
Term
RJ-21X
Definition
wiring that interfaces the EMTA to the 66 or the 110 block
Term
Mushroom Spool
Definition
used to for wire management
Term
POS (Point of Sale)
Definition
manages the selling process through checkouts equivalent to electronic cash register, credit card machines
Term
PBX (Private Branch Exchange)
Definition
same functionality as a key system with the ability to transfer calls to a different office through an ethernet connection
Term
Telemetry Wiring for Power Supply Unit
Definition
white, brown, blue, orange and green
Term
Output voltage for power supply
Definition
48vdc, 50watts
Term
Charge time for Power Supply Unit
Definition
24 hours
Term
Back up time for Power Supply Unit
Definition
18 hours idle
Term
Back up time for Power Supply Unit in use with 8 lines in use
Definition
8 hr
Term
Lifespan of Power Supply Unit
Definition
7-9 years battery lifetime
Term
Channel Deletion Filter
Definition
deletes unused channel for the insertion of a local feed
Term
Video Modulator
Definition
places baseband signal onto standard RF channel carrier
Term
DCT (Digital Consumer Terminal)
Definition
processes cable input so customer television can display all authorized services
Term
Switch
Definition
acts as a focal point connecting multiple computers within a (LAN) Local Area Network
Term
NAS (Network Attached Storage)
Definition
a hard drive connected to the LAN that can be accessible by anyone in the internet as defined by the network admin
Term
Network Patch Bay
Definition
connects building data wiring to ethernet switch, which is a focal point in the data network
Term
MPG (Mega Port Gateway)
Definition
connects with IP3 server, connects ethernet to a coaxial connection
Term
MPO (Mega Port Outlet)
Definition
works with mega port gateway (MPG) converting coaxial back to ethernet
Term
RJ-45 straight
Definition
connects two different data devices (pc to router)
Term
RJ-45 Crossover
Definition
connects two of the same devices (pc to pc)
Term
RJ31x Jack
Definition
used for connecting telephone services to the alarm panel
Term
E-Mail
Definition
electronic message sent from one device to another
Term
FTP (File Transfer Protocal)
Definition
used on the internet for exchanging files
Term
Domain Name
Definition
name given for an address or group of addresses on the internet
Term
Routable (Static)
Definition
type of IP adress that is visable to the public
Term
DNS (Domain Name Server)
Definition
internet service that locates and translates names into IP addresses
Term
Dynamic IP
Definition
temporary address
Term
IP Gateway
Definition
combines the functions of a cable modem and a router in a single device
Term
LAN (Local Area Network)
Definition
geographically close set of computers connected on the same network using the same communication device
Term
WAN (Wide Are Network)
Definition
a group of computers that are geographically far apart, an example is the internet
Term
VPN (Virtual Private Network)
Definition
use of a public network such as the internet were a connection is established to gain access to a private network
Term
NAT (Network Address Translation)
Definition
technique which several hosts or computers share a single IP address for access to the internet
Term
PAT (Port Address Translation)
Definition
forwards requests for a particular IP and port pair to another IP port pair
Term
Subnet Addresses
Definition

determines the network portion and the host (device) portion of an IP address

150.215.017.009

defines network defines device   


Term

Subnet Masks

255.255.255.0

Definition
connection with an IP address to determine whether another host is located on the same local network as itself
Term
Contents of Subnet Masks
Definition

Network IP

Routable IP (static)

Gateway IP

Broadcast IP

Term
252/30 Subnet
Definition
set up for customers with 1 Routable (static) IP address
Term
248/29 Subnet
Definition
set up for customers with 5 Routable (static) IP addresses
Term
240/28
Definition
 set for customers with 13 Routable (static) IP addresses
Term
*13
Definition
3-way calling
Term
*52
Definition
call hold/call waiting
Term
*90
Definition
call forwarding busy activate
Term
*91
Definition
call forwarding busy deactivate
Term
*92
Definition
call forwarding no answer activate
Term
*93
Definition
call forwarding no answer deactivate
Term
*70
Definition
temporarily disable call waiting
Term
Ping
Definition
utility used to determine whether a specific IP address is accessible
Term
Traceroute
Definition
a utility that traces a packet from your computer to an internet host
Term
CLI (Cumulative Leakage Index)
Definition
number derived from the number and severity of leaks in the cable system
Term
Following Ghost
Definition
caused by a reflection on the cable system caused by poor return loss at the reflecting device and poor directivity at the tap or device feeding the set
Term
customer using gateway for network
Definition
when should the Public LAN firewall module be enabled
Term
A.C fail
Definition
telemetry block pinout #1
Term
Replace Battery
Definition
telemetry block pinout #2
Term
Battery Missing
Definition
telemetry block pinout #3
Term
Battery Low
Definition
telemetry block pinout #4
Term
32-122 degrees operating temperature
Definition
Environmental and Operating Requirements for the 8 line EMTA
Term
foriegn voltage (bucking power)
Definition
Occurs when all of the LED's are flashing
Term
individual light will flash
Definition
This happens when one of the phone lines is off the hook
Term
online
Definition
Which LED indicates whether the nework is available
Term
line card error (slow flash)
Definition
Individual telephone LED is flashing slowly (1flash per second)
Term
distinctive ring
Definition
Calling feature that allows different phone numbers to reach the same phone line with different ring patterns
Term
hunt group
Definition
System that can automatically distribute incoming calls to two or more extensions (up to 14)
Term
directional coupler
Definition
A tapping device providing isolation between tap and output terminals
Term
video modulator
Definition
Device that places baseband signal onto a standard RF channel carrier
Term
ghosts
Definition

T.V signal of the same frequency and video content, arriving at a receiver just before and after desired t.v signal

 

Term
port 80
Definition
HTTP Traffic
Term
port 20
Definition
FTP Traffic
Term
port 110
Definition
POP3 Traffic
Term
15 microvolts/meter @ 5-54MHz and above 216MHz
Definition
Signal level leakage at 30 meters
Term
left
Definition
Following ghost appears on the ____ side of the picture
Term
20 microvolts/meter @54-216MHz
Definition
Signal leakage at 3 meters
Term
right
Definition
Leading ghost appears to the ___ side of the picture
Term
following ghost
Definition
Usually caused by a reflection on the cable system caused by poor return loss at the reflecting device and poor directivity at the tap or device feeding the set
Term
co-channel interference
Definition
Caused when the same channel from 2 or more different TV stations is received by the same antenna
Term
return path interference
Definition
Ingress from transmitters operating in the upstream frequency bandwidth (cb radio, amateur radio operators and voice of america)
Term
thermal noise
Definition
Random electron activity of the atom that makes up the conductor resistor or any part of the passive system in question
Term
carrier to noise (c/n)
Definition
Ratio of the difference between the peak carrier level to the noise level
Term
distortion
Definition
undesired change in the waveform of a signal occuring in its passage through the amplifier
Term
hum modulation
Definition
Appears as a horizontal bar or bars (2) moving from the bottom to the top of the picture
Term
quadrature phase shift keying (QPSK)
Definition
digital modulation  scheme wherein the carrier is shifted in 90 degree steps
Term
45,135,225,315 degrees
Definition
Four Phases in which a carrier is sent in QPSK
Term
quadrature amplitude modulation (QAM)
Definition
A digital modualtion scheme that allows 2 channels of information to be transmitted at the same time on a particular frequency
Term
signal to noise (s/n) (SNR)
Definition
measure of the signal strength relative to background noise in analog and digital communications
Term
noise power ratio (NPR)
Definition
Measures the activity levels in the unused portion of a multi-channel system
Term
modulation error ratio (MER)
Definition
Measure of the ratio of the error power to the average power in an ideal QAM signal
Term
forward error correction (FEC)
Definition
Method where additional data bits are added to the digital video bit stream to help correct errors
Term
bit error rate (BER)
Definition
Measures how often an error occurs in a given amount of data
Term
5-42MHz
Definition
Frequency spectrum for the return path
Term
proof of performance (POP)
Definition
Test to ensure that cable systems forward signals meet FCC standards
Term
frequency division multiplexing (FDM)
Definition
Different programing material may be combined in or separated from a cable by modulating different programing material onto carriers of different frequencies
Term
power diplexer
Definition
Separates or combines the AC currents two parts: the AC power and the RF signals
Term
chassis
Definition
Provides the means to mount various modules to the housing (sometimes called the motherboard)
Term
pad (attenuator)
Definition
Lowers the signal in order to bring it to within the acceptable input range of the amplifier
Term
equilizer
Definition
Compensates for the equal attenuation properties, selected to produce flat boadband signals to the input of the first stage of amplification
Term
automatic gain control (AGC)
Definition
Used to compensate for fluctuations of the input signal
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