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GLOSSARY OF TERMS
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A

acoustic measurement
See acoustic testing
acoustic measurements
See acoustic testing
acoustic standard
See acoustic standards
acoustic standards
Published by ITU-T, ETSI, TIA/EIA/ANSI, 3GPP and various national bodies
acoustic test
See acoustic testing
acoustic test equipment
An equipment that performs acoustic testing of phones and electro-acoustic devices. Includes or interfaces with a speaker (mouth simulator) and microphone (ear simulator), signal generator and analyzer.
acoustic tester
See acoustic test equipment
acoustic testing
Acoustic testing is performed to assess electro-acoustic performance, speech quality of phones and to verify compatibility with other phones communication networks. Various characteristics of a phone are tested over its electro-acoustic path between the phone’s interface, microphone, speaker and line (wired or wireless).
acoustics measurements
See acoustic testing
ADSL measurement
See ADSL testing
ADSL standard
See ADSL standards
ADSL standards
Published by ITU-T, ETSI, TIA/EIA/ANSI and various national bodies such FCC, Industry Canada and ACIF
ADSL test
See ADSL testing
ADSL test equipment
Usually includes signal generator and (spectrum) analyzer, line simulator and noise generator
ADSL test set
See adsl test equipment
ADSL tester
See adsl test equipment
ADSL testing
Usually includes physical layer compliance measurements (Power Spectrum Density, Return loss, etc), TIM (Transmission and Impairments Measurements), Reach rate testing and Interoperability testing.
ADSL verification
See ADSL testing
ADSL2
See ADSL …
analog FXO & FXS
See analog FXO & FXS interface
analog FXO & FXS interface
"Analog Foreign eXchange Subscriber (FXS) and Foreign eXchange Office (FXO) are the names of the two most common interfaces (ports or plugs) found in analog telephony environments. Analog telephony, also known as Plain Old Telephone Service (POTS), is the service the local phone company typically delivers to your home. Local phone companies deliver POTS from their Central Office (CO) to the subscriber’s premises over a circuit consisting of two copper wires. To increase the distance over which the signal can be transmitted the two wires are twisted together, which also reduces electromagnetic interference. So these two-wire copper cables are commonly known as “twisted pairs.” FXS - Foreign eXchange Subscriber interface (the plug on the wall) delivers POTS service from the local phone company’s Central Office (CO) and must be connected to subscriber equipment (telephones, modems, and fax machines). In other words an FXS interface points to the subscriber. An FXS interface provides the following primary services to a subscriber device: - Dial Tone - Battery Current - Ring Voltage You may also see the FXS acronym rendered as Foreign eXchange System. FXO - Foreign eXchange Office interface (the plug on the phone) receives POTS service, typically from a Central Office of the Public Switched Telephone Network (PSTN). In other words an FXO interface points to the Telco office. An FXO interface provides the following primary service to the Telco network device: on-hook/off-hook indication (loop closure) "
analog FXS & FXO interface
See analog FXO & FXS interface
analog FXS & FXO
See analog FXO & FXS interface
analog measurement
See Analog PSTN testing
Analog PSTN test equipment
Usually includes a loop simulator VF signal generator and analyzer and/or TIMS (Transmission and Impairment Measurement Set)
analog PSTN testing
Usually physical layer testing (e.g. Signal level, Return loss, Balance, DC characteristics, etc) TIMS and functional testing of analog PSTN (POTS) FXS/FXO equipment and networks
analog standard
See analog standards
analog standards
Published by ITU-T, ETSI, TIA/EIA/ANSI and various national bodies such FCC (e.g. FCC Part 68), Industry Canada (CS03) and ACIF (AS/ACIF S002, S003, S004)
analog test
See analog PSTN testing
analog test equipment
See Analog PSTN test equipment
analog testing
See Analog PSTN testing
audio analyzer
Performs measurements such as Level Frequency Response, THD+N, Phase, Crosstalk Signal-to-Noise Ratio on Audio equipment (e.g. MP3 and CD players, receivers, power amplifiers, sound cards, etc)
audio measurements
See Audio testing
audio quality measurement
See Audio testing
audio quality measurements
See Audio testing
audio quality test
audio quality testing
audio quality testing
See Audio testing and PEAQ (at Opticom)
audio test
See Audio testing
audio test equipment
See audio analyzer
audio test set
See audio analyzer
audio tester
See audio analyzer
audio testing
Include Level Frequency Response, THD+N, Phase, Crosstalk Signal-to-Noise Ratio, etc
audio verification
audio testing
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B
C
cellular measurement
See mobile…
cellular measurements
See mobile…
cellular phone testing
See mobile…
cellular standard
See mobile…
cellular standards
See mobile…
cellular test
See mobile…
cellular test equipment
See mobile…
cellular test set
See mobile…
cellular tester
See mobile…
cellular testing
See mobile…
cid standard
See CID stds
cid standards
"CID/SMS over analog PSTN interface standards ETSI EN 300 659-1 V1.3.1, ETSI EN 300 659-2 V1.3.1, ETSI EN 300 659-3 V1.3.1, ETSI ES 201 912 V1.1.1 ETSI 300 648, ETSI EN 300 778-1,2 V1.2.1"
cid test
See CID testing
cid tester
See CID testing
cid testing
Testing of Caller (Caller ID) Identification protocol
cid verification
See CID testing
co testing
Testing of Central Office equipment such as switches, channel banks, multiplexers
communication test equipment
Equipment that tests various characteristics of communication equipment or network including physical/electrical characteristics, power, frequency, spectrum, bandwidth, transmission rate, modulation, BER, protocols
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D
dsl measurement
See ADSL/ADSL test/ADSL stds…
dsl standard
See ADSL/ADSL test/ADSL stds…
dsl standards
See ADSL/ADSL test/ADSL stds…
dsl test
See ADSL/ADSL test/ADSL stds…
dsl test equipment
See ADSL/ADSL test/ADSL stds…
dsl test set
See ADSL/ADSL test/ADSL stds…
dsl tester
See ADSL/ADSL test/ADSL stds…
dsl testing
See ADSL/ADSL test/ADSL stds…
DSLAM
A DSLAM (Digital Subscriber Line Access Multiplexer) is a network device, usually at a telephone company central office, that receives signals from multiple customer Digital Subscriber Line (DSL) connections and puts the signals on a high-speed backbone line using multiplexing techniques. Depending on the product, DSLAM multiplexers connect DSL lines with some combination of asynchronous transfer mode (ATM), frame relay, or Internet Protocol networks. DSLAM enables a phone company to offer business or homes users the fastest phone line technology (DSL) with the fastest backbone network technology (ATM).
dslam tester
See ADSL/ADSL test/ADSL stds…
dslam testing
See ADSL/ADSL test/ADSL stds…
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E
E1
A digital 2.048 Mbps layer 1 interface defined in ITU-T G.703
e1 analyzer
Equipment that tests layer 1 transmission and physical characteristics of E1 interface or E1 line
e1 standards
Published by ITU-T (G.703, G.704, G.823), ETSI (TBR 12, TBR 13, TBR 4), TIA/EIA/ANSI (464-C) and various national bodies such FCC (FCC Part 68) Industry Canada (CS03) and ACIF (AS/ACIF S016)
e1 test
See E1 testing
e1 test equipment
See E1 analyzer
e1 test set
See E1 analyzer
e1 tester
See E1 analyzer
e1 testing
Layer 1 (Physical layer) tests. Include Pulse shape, BER, line coding, Jitter, Framing, Return loss, Impedance, PCM analysis and TIM tests
etsi requirements
See ETSI standards
etsi standard
See ETSI standards
etsi standards
Published by (ETSI European Telecommunications Standards Institute). Examples of ETSI standards are: ETSI ES 203 021, TBR 21, TBR 38, TBR 4, TBR 12, TBR 13, TBR 10, ETSI TS 102 027
etsi test
See ETSI testing
etsi testing
Testing according to the ETSI standards
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F
fax test
See Fax testing
fax test equipment
See Fax testing
fax tester
See Fax testing
fax testing
Testing of fax (facsimile) equipment includes fax protocol (T.30, T.38) testing, TIM, interoperability, fax transmission quality testing.
fax verification
See Fax testing
FCC
fcc compliance testing
See FCC testing
fcc measurement
See FCC Compliance testing
FCC Part 68
"FCC Part 68 of the FCC (Federal Communications Commission, USA) rules (47 C.F.R. Part 68) governs the direct connection of Terminal Equipment (TE) to the Public Switched Telephone Network (PSTN), and to wireline carrier-owned facilities used to provide private line services. Part 68 also contains rules concerning Hearing Aid Compatibility and Volume Control (HAC/VC) for telephones, dialing frequency for automated dialing machines, source identification for fax transmissions, and technical criteria for inside wiring. Many technical and administrative functions mandated by Part 68 have been privatized. However, the FCC retains the responsibility to enforce Part 68 rules. For an overview of Part 68 and answers to some frequently asked questions, click on the FCC's Part 68 FAQs link. For information regarding technical interconnection standards and labeling, inquiries regarding Terminal Equipment approval and filing procedures, and access to the database of approved TE, click on the link to the Administrative Council for Terminal Attachments (ACTA). For a list of Telecommunications Certifications Bodies (TCBs) accredited to perform Part 68 Terminal Equipment certifications, click on the Part 68 TCB link. For a list of recent FCC Part 68 rulings and other documentation, click on the FCC's Past Rulings link. Documents on this link can be accessed via the FCC's Electronic Document Management System (EDOCS). "
fcc requirements
See FCC testing
fcc standards
Common FCC standards include FCC Part 68, FCC Part 15, FCC Part 2, FCC Part 22, FCC Part 90
fcc test
See FCC testing
fcc testing
Testing of Terminal Equipment, Radio equipment, Unintentional radiators (Digital and ISM equipment) according to FCC rules and standards
fcc verification
See FCC testing
Framing format
ESF (193E), D4 (193S), Unframed
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G
H
I
ic standard
See IC standard
ic standards
Industry Canada standards
ISDN
"ISDN (Integrated Services Digital Network) is a set of CCITT/ITU standards for digital transmission over ordinary telephone copper wire as well as over other media. There are two levels of service: the Basic Rate Interface (BRI), intended for the home and small enterprise, and the Primary Rate Interface ( PRI), for larger users. Both rates include a number of B-channels and a D-channels. Each B-channel carries data, voice, and other services. Each D-channel carries control and signaling information. The Basic Rate Interface consists of two 64 Kbps B-channels and one 16 Kbps D- channel. Thus, a Basic Rate user can have up to 128 Kbps service. The Primary Rate consists of 23 B-channels and one 64 Kpbs D-channel in the United States or 30 B-channels and 1 D-channel in Europe. ISDN in concept is the integration of both analog or voice data together with digital data over the same network. Although the ISDN you can install is integrating these on a medium designed for analog transmission, broadband ISDN (BISDN) is intended to extend the integration of both services throughout the rest of the end-to-end path using fiber optic "
isdn analyzer
See ISDN testing
ISDN BRI
See ISDN
ISDN PRI
See ISDN
isdn pri standard
Q.921 (Layer 2), Q.931 (Layer 3), TBR 3 (ISDN BRI), TBR 4 (ISDN PRI)
isdn pri test
See ISDN testing
isdn pri tester
See ISDN testing
isdn standard
See ISDN standard
isdn standards
Common ISDN standards include (TBR 3 BRI), TBR 4, AS/ACIF S038 (PRI)
isdn test
See ISDN testing
isdn test equipment
See ISDN testing
isdn test set
See ISDN testing
isdn tester
See ISDN testing
isdn testing
Includes Layer 2 and Layer 3 protocol testing as well as physical layer testing
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J
Jitter
"In circuit-switched networks (e.g. T1/E1/STM-1) : Jitter is phase deviation of a digital signal referenced to the “ideal” square wave clock signal. Jitter amplitude is expressed in unit intervals (UI), where 1 UI corresponds to phase deviation of one bit. Most of the standards specify the requirements for input and output jitter in terms of UI peak-to-peak. Very slow jitter is called Wander. The frequency limit between jitter and wander according to ITU-T G.810 is 10 Hz. Excessive jitter can cause errors and error reports (alarms) in networks. On the other hand network equipment should be immune to certain amount of jitter present in networks. The equipment should also be able to attenuate its output jitter versus input jitter to prevent jitter accumulation in the network. In voice over IP (VoIP), jitter is the variation in the time between packets arriving, caused by network congestion, timing drift, or route changes. A jitter buffer can be used to handle jitter. "
jitter tester
See jitter testing
Jitter testing
In circuit-switched networks: measurement of jitter output by an EUT (amplitude vs frequency), testing of EUT tolerance to input jitter (over jitter frequency range), measurement of EUT jitter attenuation (jitter transfer) In packet-switched networks: measurement of packet jitter
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K
L
layer 1 test
See layer 1 testing
layer 1 testing
Physical, electrical and functional characteristics testing such as signal level, impedance, balance, timing, etc
layer 2 standard
e.g. ISDN PRI Layer 2 is defined in ITU-T Q.921
layer 2 test
See layer 2 testing
layer 2 testing
Layer 2 - Data link layer protocol testing, e.g. ISDN PRI layer testing per TBR 4
layer 3 standard
e.g. ISDN PRI Layer 2 is defined in ITU-T Q.921
layer 3 test
See layer 3 testing
layer 3 testing
Layer 3 - Network layer protocol testing, e.g. ISDN PRI layer testing per TBR 4
Line coding
HDB3, B8ZS, AMI
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M
mobile handset tester
See mobile test equipment
mobile phone tester
See mobile test equipment
mobile test equipment
Test equipment that performs RF, Radio communication, functional, protocol, voice and video quality testing of mobile (cellular) equipment
modem standard
See modem standards
modem standards
"(Dial-up) Modem standards: The CCITT, an international committee that specifies the way modems and fax machines transmit information to ensure compatibility among modems, has classified dial-up modems according to the following modulation standards: Bell 103M & 212A: Older standards, Bell 103 transmits at 300 bit/s at 300 baud and 212A transmits at 1200 bit/s at 600 baud. V.21: Capable of only 300 bit/s, it is an international standard used mainly outside of the U.S. V.22: Capable of 1200 bit/s at 600 baud. Used mainly outside the U.S. V.22bis: Used in the U.S. and out, it is capable of 2400 bit/s at 600 baud. V.23: Used mainly in Europe, it allows the modem to send and receive data at the same time at 75 bit/s. V.29: A one-way (half-duplex) standard that is used mostly for fax machines. Capable of 9600 bit/s. V.32: A full-duplex standard capable of 9600 bit/s at 2400 baud. V.32 modems automatically adjust their transmission speeds based on the quality of the lines. V.32bis: A second version of V.32, it is capable of 14,400 bit/s. It will also fallback onto V.32 if the phone line is impaired. V.32ter: The third version of V.32, capable of 19,200 bit/s. V.34: Capable of 28,000 bit/s or fallback to 24,000 and 19,200 bit/s. This standard is backwards compatible with V.32 and V.32bis. V.34bis: Capable of 33,600 bit/s or fallback to 31,200 bit/s. V.42: Same transfer rate as V.34 but is more reliable because of error correction. V.42bis: A data compression protocol that can enable modems to achieve a data transfer rate of 34,000 bit/s. V.44: Allows for compression of Web pages at the ISP end and decompression by the V.44-compliant modem, so transmitting the same information requires fewer data packets. V.90: The fastest transmissions standard available for analog transmission, it is capable of 56,000 bit/s. V.92: Transmits at the same speed as V.90 but offers a reduced handshake time and an on-hold feature. Retrieved from ""http://en.wikipedia.org/wiki/Modem_standards"" "
modem test
See modem testing
modem test equipment
See modem testing
modem test set
See modem testing
modem tester
See modem testing
modem testing
Testing of modem protocols, throughput and interoperability. See also Analog PSTN testing and modem standards.
modem verification
See modem testing
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N
O
P
PBX standard
See PBX standards
PBX standards
TIA 464-C, FCC Part 68, TIA 968, AS/ACIF S003, HKTA 2013, ITU-T G.712, Q.551, Q.552, Q.553
PBX test
See PBX testing
PBX tester
See PBX testing
PBX testing
VF (Analog content) two port measurements, TIM, layer 1 interface, protocol, functional and load testing
PCM 4
Wandel & Goltermann PCM-4
PCM analyzer
See PCM testing
PCM channel measuring set
See PCM testing
PCM measurement
See PCM testing
PCM standard
See PCM standards
PCM standards
ITU-T O.9, O.81, G.712, Q.551, Q.552, Q.553, TIA 464-C, TIA-968, AS/ACIF S003
PCM test
See PCM testing
PCM test set
See PCM testing
PCM tester
See PCM testing
PCM testing
Analog/Digital (T1/E1) PCM voice channel measurements such as Loss/Gain/Frequency response, SINAD, Group delay, Harmonic and Intermodulation distortion
PCM4
Wandel & Goltermann PCM-4
PCM-4
Wandel & Goltermann PCM-4
physical layer measurements
See layer 1 …
physical layer standard
See layer 1 …
physical layer standards
See layer 1 …
physical layer test
See layer 1 …
physical layer testing
See layer 1 …
POTS
Plain Old Telephone System. Analog (PSTN) 2-wire telephone network
POTS standard
See analog …
POTS standards
See analog …
POTS test
See analog …
POTS test set
See analog …
POTS tester
See analog …
POTS testing
See analog …
protocol conformance testing
Testing of protocol implementation according to regulatory or otherwise accepted standard(s) that define protocol behavior at normal and abnormal conditions, timing and Pass/Fail criteria.
protocol standard
See protocol standards
protocol standards
ISDN PRI: Q.921, Q.931, TBR 4, SIP: RFC 3261, ETSI TS 102 027
protocol test
See protocol testing
protocol test equipment
See protocol testing
protocol tester
See protocol testing
protocol testing
Testing of protocol implementation by sending correct and incorrect messages and analyzing received messages at various levels
protocol verification
See protocol testing
PSTN
"The public switched telephone network (PSTN) is the network of the world's public circuit-switched telephone networks. Originally a network of fixed-line analog telephone systems, the PSTN is now almost entirely digital, and now includes mobile as well as fixed telephones. The PSTN is largely governed by technical standards created by the ITU-T, and uses E.163/E.164 addresses (more commonly known as telephone numbers) for addressing. "
PSTN Conformance analyzer
Test equipment that assesses conformance devices per the requirements for device connection to the PSTN. HL TCA 8200 is an example.
PSTN tester
See PSTN testing
PSTN testing
Testing of equipment that connects to PSTN or of the PSTN. Includes analog FXS & FXO and T1/E1 testing
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Q
R
radio conformance testing
Testing of Radio devices according to regulatory or otherwise accepted standards
radio test equipment
Equipment that tests radio devices including RF/Microwave, transmission characteristics, protocol and functional testing, voice quality testing
regulatory standards
Mandatory standards that are required under national law or by industry consortium.
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S
SIP conformance testing
Testing of SIP (Session Initiation Protocol) according to accepted standards e.g. ETSI TS 102 027
SIP standard
RFC 3261
SIP standards
ETSI TS 102 027, RFC 3261
sms measurement
see CID/SMS
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T
t1 analyzer
See E1..
t1 measurement
See E1..
t1 measurements
See E1..
t1 standard
See E1..
t1 standards
See E1..
t1 test
See E1..
t1 test equipment
See E1..
t1 test set
See E1..
t1 tester
See E1..
t1 testing
See E1..
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u
V
voice quality standards
ITU-T P.862, P.862.1
voice quality testing
Testing of quality of voice in voice (communication) equipment and networks by using "conventional" test methods (SNR, THD, frequency, response, etc) and PESQ (Perceptual Evaluation of Speech Quality)
VoIP testing
Testing Voice over IP (Internet Protocol) equipment or networks including Voice Quality Testing, Quality of Service testing, Acoustic measurements of VoIP phones, VoIP protocols (SIP, H.323) testing, packet loss, delay, latency, jitter, VAD testing, echo measurements, load testing
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W
W&G PCM4
Wandel & Goltermann PCM-4
W&G PCM-4
Wandel & Goltermann PCM-4
Wandel & Goltermann PCM-4
For long (until its production was stopped) Wandel & Goltermann PCM-4 PCM Channel Measuring Set has been and industry standard for VF, TIM and PCM testing of analog/digital (T1/E1) telephony (PCM) equipment such as PBXs, CO equipment, multiplexers, DSU/CSUs, etc. HL TCA 8200 Telecom Conformance Analyzer includes the W&G PCM-4 test capabilities and adds much more tests and functionality (such as built-in signaling, full range of layer 1 testing, protocol and functional testing.
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X
xDSL standard
See ADSL/ADSL test/ADSL stds…
xDSL standards
See ADSL/ADSL test/ADSL stds…
xDSL test
See ADSL/ADSL test/ADSL stds…
xDSL test equipment
See ADSL/ADSL test/ADSL stds…
xDSL tester
See ADSL/ADSL test/ADSL stds…
xDSL testing
See ADSL/ADSL test/ADSL stds…
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Y
Z

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KEY STANDARDS
TS 103 021, TBR 10, 21, 38
TBR 4, 12, 13 (Europe)
FCC Part 68, TIA-968-A (USA)
CS-03 (Canada)
AS/ACIF S002/3/4/16 (Australia)
ITU-T G.703,
G.823, G.824, G.992.1/3/6,
P.862 (PESQ)
ETSI TS 102 027 (SIP)
TIA-810A/B, 920-A
ETSI ES 202 737-40
3GPP TS 26.131/2, TS 51.010-1
3GPP TS 51.010-1
And More And More


APPLICATIONS
Compliance Testing
R&D Testing
QA Testing
Production Testing
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