Iec 62379-7-2015.Pdf

IEC 62379 7 Edition 1 0 201 5 06 INTERNATIONAL STANDARD Common control interface for networked digital audio and video products – Part 7 Measurements IE C 6 2 3 7 9 7 2 0 1 5 0 6 (e n ) ® colour insid[.]

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CONTENTS

FOREWORD 5

INTRODUCTION 7

1 Sco e 10 2 Normative ref eren es 10 3 Terms, def i ition an a breviation 10 3.1 Terms an def i ition 10 3.2 Ab reviation 10 4 Au io format defi ition 1

5 Vide format defi ition 1

6 MIB def i ition f or me s rement information bloc s 1

6.1 General 1

6.2 Typ def i ition 12

6.2.1 General 12

6.2.2 Textual con ention 12

6.2.3 Seq en es 13

6.3 Network me s rement inf ormation bloc s 14

6.3.1 Network me s rement inf ormation bloc stru ture 14

6.3.2 nMtBloc Ta le 15

6.3.3 nMtBloc Entry 15

6.3.4 nMtBloc Id 15

6.3.5 nMtIf In ex 15

6.3.6 nMtTxRxPoint 15

6.3.7 nMtNetworkTyp 16

6.3.8 nMtTran p rtTyp 16

6.3.9 nMtTxRxAd r 16

6.3.10 nMtPortNumb r 16

6.3.1 nMtIGMPVersion 16

6.3.12 nMtSIPServerAd r 16

6.4 Au io me s rement information bloc s 17

6.4.1 Au io me s rement information bloc stru ture 17

6.4.2 aMtBloc Ta le 17

6.4.3 aMtBloc Entry 17

6.4.4 aMtBloc Id 18

6.4.5 aMtAu ioComp nentNumb r 18

6.4.6 aMtNetworkBloc Id 18

6.4.7 aMtAu ioStatu 18

6.4.8 aMtAu ioSig alFormat 18

6.4.9 aMtAu ioPId 18

6.4.10 aMtIf In ex 18

6.4.1 aMtFECTyp 19

6.4.12 aMtFECL n thDimen ion 19

6.5 Vide me s rement information bloc s 19

6.5.1 Vide me s rement information bloc stru ture 19

6.5.2 vMtBloc Ta le 20

6.5.3 vMtBloc Entry 2

6.5.4 vMtBloc Id 2

6.5.5 vMtAu ioBloc Id 2

6.5.6 vMtNetworkBloc Id 2

6.5.7 vMtVide Statu 2

6.5.8 vMtVide Source ormat 2

6.5.9 vMtVide Codin Typ 21

6.5.10 vMtVide BitRateTyp 21

6.5.1 vMtVide BitRate 21

6.5.12 vMtVide Asp ctRatio 21

6.5.13 vMtFECTyp 21

6.5.14 vMtFECL n thDimen ion 21 6.5.15 vMtTric ModeSup ort 21

6.6 Receiver p int me s rement inf ormation bloc 21

6.6.1 Receiver me s rement inf ormation bloc stru ture 21

6.6.2 rxPointTa le 22 6.6.3 rxPointEntry 2

6.6.4 rxPointBloc Id 2

6.6.5 rxPointNetworkBloc Id 2

6.6.6 rxPointBuf f erSize 2

6.6.7 rxPointBuf f erOcp n yTime 23 6.6.8 rxPointBuf f erOcpn yPc t 2

6.6.9 rxPointMDI 2

6.6.10 rxPointT DF 23 6.7 Temp rature me s rement inf ormation bloc 2

6.7.1 Temp rature me s rement information bloc stru ture 2

6.7.2 temp ratureTa le 2

6.7.3 temp ratureEntry 2

6.7.4 temp ratureBloc Id 2

6.7.5 temp rature oc Numb r 25 6.7.6 temp rature ocation 2

6.7.7 temp ratureTren 2

6.7.8 temp ratureStatu 2

6.7.9 temp rature owWarnin 2

6.7.10 temp ratureHig Warnin 2

6.7.1 temp rature owCritical 2

6.7.12 temp ratureHig Critical 2

An ex A (informative) Mac ine- e da le me s rement bloc defi ition 2

An ex B (informative) Mac ine- e da le textual con ention defi ition 4

An ex C (informative) Worked example 48 C.1 Overview 4

C.2 Example 1 4

C.2.1 General 4

C.2.2 Bloc ta le 4

C.2.3 Mixer bloc 5

C.2.4 Multiple fun tional ty device 51

C.2.5 Summary of ta les 5

Bibl ogra h 5

Fig re 1 – Relation hips b twe n ECN groups ACIP, VCIP an IPM 8

Fig re 2 – Network me s rement inf ormation bloc 14 Fig re 3 – Au io me s rement information bloc 17 Fig re 4 – Vide me s rement information bloc 19 Fig re 5 – Receiver me s rement information bloc 2

Fig re 6 – Temp rature me s rement inf ormation bloc 2

Fig re C.1 – Example of a modif ied au io device 4

Fig re C.2 – An otated con ector diagram 4

Fig re C.3 – Mixer section 50 Fig re C.4 – Sin le device with multiple f un tional ty 5

Fig re C.5 – Me s rement bloc Id an their as ociated media comp nents 5

Fig re C.6 – Sin le device with multiple f un tional ty 5

Ta le 1 – Managed o jects for network me s rement inf ormation bloc s 15 Ta le 2 – Managed o jects for au io me s rement inf ormation bloc s 17 Ta le 3 – Managed o jects for vide me s rement inf ormation bloc s 20 Ta le 4 – Managed o jects for receiver me s rement inf ormation bloc s 2

Ta le 5 – Managed o jects con eyin temp rature inf ormation a out the u it 2

Ta le C.1 – Main bloc Id ta le 49 Ta le C.2 – Mixer related bloc Id ta le 5

Ta le C.3 – Mixer bloc ta les 51

Ta le C.4 – Ad ition of me s rement bloc Id 5

Ta le C.5 – Vide me s rement ta le 5

Ta le C.6 – Network me s rement ta le 5

Ta le C.7 – Au io me s rement ta le 5

Ta le C.8 – Ta le s mmary 54

INTERNATIONAL ELECTROTECHNICAL COMMISSION

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misinterpretatio b a y e d u er

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th later

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p te t rig ts IEC s al n t b h ld re p n ible f or id ntifyin a y or al s c p te t rig ts

International Stan ard IEC 6 3 9-7 has b en pre ared by tec nical are 4: Digital s stem

interf aces an protocols of IEC tec nical commit e 10 : Au io, vide an multimedia

s stems an eq ipment

The text of this stan ard is b sed on the fol owin doc ments:

Ful inf ormation on the votin f or the a proval of this stan ard can b f ou d in the re ort on

votin in icated in the a ove ta le

This publcation has b en draf ted in ac ordan e with the ISO/IEC Directives, Part 2

A l st of al p rts in the IEC 6 3 9 series, publ s ed u der the general title Commo c ntrol

intera e for n twork d digital a dio a d video produ ts, can b fou d on the IEC we site

The commit e has decided that the contents of this publ cation wi remain u c an ed u ti

the sta i ty date in icated on the IEC we site un er "htp:/we store.iec.c " in the data

related to the sp cifi publ cation At this date, the publ cation wi b

• with rawn,

• re laced by a revised edition, or

A bi n ual version of this publ cation may b is ued at a later date

IMPORTANT – The 'colour in ide' logo on the cov r pa e of this publ c tion indic te

understa din of its conte ts Us rs s ould theref ore print this doc me t usin a

colour printer

IEC 6 3 9 sp cif ies the common control interf ace, a protocol f or managin eq ipment whic

con ey au io an /or vide acros digital network

An introd ction to the common control interface is given in IEC 6 7 9-1

This p rt of IEC 6 3 9 sp cif ies those asp cts that are sp cifi for u in the bloc stru ture

as def i ed in IEC 6 3 9-1, for stan ardisin the col ection method of au io an vide

p rameters f or u e by the Euro e n Bro d astin Union Exp rt Commu ities Network –

Internet Protocol (IP) Me s rements (EBU ECN-IPM) Group

The col ection of network related p rameters may b outside the s o e of this stan ard

These are exp cted to b colected from the stan ard Internet En ine rin Tas Force (IETF)

Management Inf ormation Base (MIBs) that are general y present in most (if not al ) networked

eq ipment Some sp cif i network p rameters are in lu ed that are not o taina le from

existin stan ard IETF MIBs

Structure of the f ami y of sta dard

IEC 6 3 9 sp cif ies the common control interface, a protocol f or managin networked

au iovis al eq ipment It is inten ed to in lu e the fol owin Parts:

Part 1: General

Part 2: Au io

Part 3: Vide

Part 4: Data

Part 5: Tran mis ion over network

Part 6: Pac et tran f er service

Part 7: Me s rement

Part 1 sp cif ies asp cts whic are common to al eq ipment

Parts 2 to 4 sp cif y control of internal f un tion sp cif i to eq ipment car yin p rtic lar typ s

of l ve media Part 4 do s not refer to p c et data s c as the control mes ages themselves

Part 5 sp cif ies control of tran mis ion of these media over e c in ivid al network

tec nolog It in lu es network sp cif i management interfaces alon with network sp cifi

control elements that integrate into the control f ramework

Part 6 sp cif ies car iage of control an statu mes ages an non-au iovis al data over

tran ports that do not s p ort au io an vide , s c as RS2 2 serial l n s, with (as with Part

5) a se arate s b art for e c tec nolog

Part 7 sp cifies those asp cts that are sp cif i to the me s rement req irements of the EBU

ECN-IPM Group

An introd ction to the common control interface is given in IEC 6 7 9-1

De cription, aims a d re uireme ts of the EBU ECN-IPM Group

In recent ye rs, EBU memb rs have b en in re sin ly ado tin IP network f or the

contribution of au io an vide in re l-time It is wel k own that althou h IP network are of

lower cost an provide more f lexibi ty comp red with circ it switc ed network , they s f f er

f rom lon er delay an have mu h larger j t er, whi e bro d asters’ toleran e to these

varia les is mu h les than that of normal bu ines IT traf f ic

To resp n to Memb rs’ u e of IP, EBU set up two groups, Ex pert Commu itie N etwork

c ntrib tio o er I P (ECN -VCI P ), with the tas s of drawin up recommen ed codes of

practice

1

Fig re 1 – Relations ips betwe n ECN groups ACIP, VCIP a d IPM

It was also recog ised that there would b a stron deman f or to ls that would ena le

bro d asters to me s re an manage their IP network pro erly to s it the man time-critical

me s rement group was set up The relation hips b twe n these thre groups are s own in

Fig re 1

The go ls of ECN-IPM Group were to

– def i e a q al ty of service clas if i ation to ac ieve req ested A/V tran mis ion q al ty f or

bro d ast a plcation ,

– stan ardise network inf ormation ex han e b twe n EBU memb rs an Telecom s p l ers,

– pro ose a method of col ectin en -to-en p rf orman e information f or management

purp ses

In ac ievin these go ls the ECN-IPM Group has sp cified a set of p rameters that are

imp rtant for bro d asters when u in IP network f or au io an vide tran mis ion an has

develo ed a sof tware mec anism to pro e a network for device an to olog dis overy,

ph sical p th tracin f or b th en -to-en commu ication an multicast stre ms, with the

p tential f or multi ayer monitorin for stre ms on a multi-ven or network with f ul y medi

a-sp cif i p rameters

The sp cified p rameters cover b th the network layer an a plcation layer (for vide an

au io) SNMP is employed to colect information on the statu of networked devices, s c as

the tran mis ion rate, er or rate, the codec u ed an multicast stre ms statu

Me s rement of network performanc betwe n co ne t io

p int s defined by N/IPM

Co t ra tu l rela o

agre ment o Qo

Network A/ V

IP

IPA/ V

To en ure that al the p rameters can b recovered from a variety of diff erent man f acturers’

IP eq ipment, the group has desig ed a Management Information Base (MIB) Althou h man

MIB f iles have b en publ s ed over the ye rs, esp cial y on the network side, very l t le

stan ardisation work has b en done on Au io/Vide (A/V) codec MIB f iles The EBU EC

N-IPM Group has therefore pro osed a new stan ard, b sed up n the IEC 6 3 9 series to

ad res this is ue

Two EBU tec nical publ cation have b en prod ced by the ECN-IPM Group

The p rameters an new MIB information may b f ou d in EBU-Tec 3 4 , En -to-En IP

Network Me s rement f or Bro d ast Ap l cation – Parameters & Management Information

Base (MIB), Geneva, July 2 1

A des ription of the sof tware mec anism, EisStre m

2

, may b f ou d in EBU-Tec 3 4 , En

-to-En IP Network Me s rement for Bro d ast Ap l cation – EisStre m Sof tware p c age

des ription, Geneva, July 2 1 The sof tware is writen in Java an it provides ph sical p th

tracin f or IP traf f ic u in SNMP

This p rt of IEC 6 3 9 an other related p rts of IEC 6 3 9, con titute the stan ard up n

whic Section 3 of EBU-Tec 3 4 is b sed

If there is an in on isten y b twe n this stan ard an Section 3 of EBU-Tec 3 4 , then

IEC 6 3 9-7 an other related p rts of IEC 6 3 9, take preceden e

2 E U Inte rate Mo itorin Solutio for Me ia Stre ms o IP Network , htp:/eis tre m.s urc forg n t

COMMON CONTROL INTERFACE FOR NETWORKED

Part 7: Measurements

This p rt of IEC 6 3 9 sp cif ies asp cts of the common control interface of IEC 6 3 9-1 that

are sp cif i to the me s rement of the service exp rien ed by au io an vide stre ms an

in p rtic lar to the req irements of EBU ECN-IPM Me s rements Group

The f olowin doc ments, in whole or in p rt, are normatively ref eren ed in this doc ment an

are in isp n a le f or its a pl cation For dated ref eren es, only the edition cited a pl es For

u dated ref eren es, the latest edition of the referen ed doc ment (in lu in an

IEC 6 3 9-1, Commo c ntrol intera e for n twork d digital a d io a d video products –

SNMP Simple Network Management Protocol

TS-DF Time Stamp d Delay F ctor

4 Audio f ormat def initions

At an p int in the au io sig al c ain, the au io data wi b in a p rtic lar format For

management purp ses, the f ormat s al b identified by an o ject identif ier, either a “Common

control interf ace stan ard” o ject identifier as def i ed an sp cif ied in IEC 6 3 9-2 or an

o ject identif ier def i ed elsewhere

NOT 1 Permitin a dio format id ntifiers to b d f i e o tsid this sta d rd alows u e of pro rietary formats

within th sta d rd proto ol a d als alows in u try sta d rd formats to emerg th t ma e e tu ly b

in orp rate into future re isio s of this sta d rd

NOT 2 Th a dio sig al format d f i itio s s e ifie in IEC 6 3 9-2 are u e in a c mmo ma n r b b th a dio

o ly u its a d th o e or more a dio c mp n nts a s ciate with a vid o f l w

5 Vide f ormat def initions

At an p int in the vide sig al c ain, the vide data wi b in a p rtic lar format For

management purp ses, the format s ould b identified by an o ject identifier, either a

“Common control interface stan ard” o ject identif ier as def i ed an sp cif ied in IEC 6 3 9-3

or an o ject identif ier defi ed elsewhere

NOT Permitin vid o f ormat id ntif i rs to b d f i e o tsid this sta d rd alows u e of pro rietary formats

within th sta d rd proto ol a d als alows in u try sta d rd formats to emerg th t ma e e tu ly b

in orp rate into future re isio s of this sta d rd

6 MIB def initions f or measureme t inf ormation bloc s

This clau e defi es a set of managed o ject typ s f or re resentin me s rement information

f un tion in network controled au io/vide eq ipment f or the purp ses of stan ardisin the

col ection method of au io, vide an some network p rameters for u e by the EBU ECN-IPM

Group

The format of the defi ition is as sp cif ied in IEC 6 3 9-1

For me s rement purp ses, a piece of au io/vide eq ipment s al b modeled as a n mb r

of dis rete me s rement bloc s, as sp cif ied in IEC 6 3 9-1 Eac me s rement bloc s al

have zero or more inputs an zero or more outputs

NOT 1 Informatio is tra sfere into th s o je ts intern ly within th e uipme t uti sin this sta d rd, fom

e istin MIB o je ts, or els wh re, within th e uipme t A ma a eme t statio c n a c s th me s reme t

informatio u in th sta d rd o je t id ntifier (OIDs) d f i e in this sta d rd in e e d nt of th ma uf acturer

Eac me s rement bloc s al b model ed either by one of the stan ard me s rement bloc

typ s def i ed in this stan ard or by a me s rement bloc typ def i ed elsewhere As ociated

with e c def i ed bloc typ s al b a (p s ibly empty) group of managed o ject typ s that

re resent the control f un tion for that bloc A bloc typ s al b identif ied by the node in

the o ject identifier tre that is the ro t node f or the group of managed o ject typ s

as ociated with that bloc typ

NOT 2 Permitin me s reme t blo k ty e to b d f i e o tsid this sta d rd alows c ntrol of pro rietary

fu ctio s u in th sta d rd proto ol a d als alows in u try sta d rd blo k ty e to emerg th t ma e e tu ly

b in orp rate into f uture re isio s of this sta d rd

NOT 3 An empty gro p of ma a e o je t ty e is p rmite to alow for blo k th t h v n a s ciate c ntrol

fu ctio s

NOT 4 An e C c ntain a work d e ample of th u e of th me s reme t blo k stru ture

6.2 Type def initions

In ad ition to the typ s def i ed in IEC 6 3 9-1, the fol owin typ s are u ed to sp cif y the

s ntax of the a stract data stru tures re resentin managed o ject values

- A typ t i d ic t t e l c t o wh r t e t m pe a u e is m easu ed.

6.3 Network me s reme t inf ormation bloc s

6.3.1 Network me s reme t inf ormation bloc structure

A network me s rement information bloc , s own in Fig re 2, s al have the f ol owin

stru ture, where c is the n mb r of c an els on a con ection

Fig re 2 – Network me s reme t inf ormation bloc

A network me s rement information bloc s al con ist of a generic me s rement information

bloc containin inf ormation sp cifi to network p rameters that are to b avaia le for u e by

a management agent

NOT This is a s e ial ty e of blo k th t h s n intern l f un tio alty It is merely a me n to g th r informatio

fom within th u it fom, for e ample, oth r ta le a d o je ts or dire t fom th me ia stre m a d for it to b

pre e te a d u e in a sta d rdis d wa to a ma a eme t s stem This sta d rd d e n t d f i e wh re th

informatio for th c nte t of th s blo k is s urc d fom

The group of o jects in Ta le 1 s al b implemented by al compl ant eq ipment that has a

management model that in orp rates one or more me s rement inf ormation bloc (s) The

ro t node f or these o jects s al b

{ iso(1) stan ard(0) iec6 3 9 me s rement 7) me s rementMIB(1) networkMe s rement 1) }

This node s al b u ed as the bloc typ identif ier for network me s rement inf ormation

bloc s

Table 1 – Ma a e obje ts f or network me s reme t inf ormation bloc s

A ta le of network me s rement bloc des riptors f or this u it Eac network me s rement

bloc in the u it has a cor esp n in entry in this ta le

This identifier provides a l n b twe n this network me s rement bloc an the network

interf ace it is as ociated with The values of this o ject s al b a co y of the values of if In ex

f rom RFC1213-MIB (MIB-I ) (1.3.6.1.2.1.2.2.1.1)

NOT Th nMtIfIn e o je t id ntif i r a ple th s ma tic of ifIn e thro g th u e of th Intera eIn e

te tu l c n e tio d fin d in RFC2 6 , Th Intera e Gro p MIB, in te d of u in th origin l s nta of ifIn e in

RFC1213-MIB (MIB-I ), whic is th id ntif i r for th a s ciate n twork intera e o je t withinMIB-I

If ifIndex is not u ed within the u it, then an eq ivalent n mb r to identif y the interface

s ould b u ed This s al b gre ter than zero an s al remain con tant at le st f rom one

re-initial zation of the entity's network management s stem to the next re-initial zation

6.3.6 nMtTxRxPoint

This re resents the me s rement p sition in the media c ain, whether the u it is a tran miter

or receiver of the media In the case of bi-directional media f low, this value s ould b set to

in icate the p sition f rom where the me s rement is req ired to b made, that is f rom a

media tran mis ion or rece tion p int of view

• Tran mit er (Tx) = f lse

• Receiver (Rx) = tr e

If the value of this o ject is tr e (Rx), then the receiver ta le (rxPointTa le, 6.6.2) s al exist,

otherwise its existen e is optional

6.3.7 nMtNetworkType

Des rib s the c r ent network typ over whic the media is flowin

If the network typ is asi(3), then the remainin entries of

Des rib s the tran p rt typ b in u ed to con ey the media

If nMt etwo kTyp is asi(3), then no Appl c bl ( ) s al b returned

6.3.9 nMtTxRxAddr

The network ad res of either the sen or receive p int network interf ace over whic the

media is f lowin Whic it is, de en s on the me s rement p sition in the media c ain, that is

whether the u it is a tran miter or receiver of the media The value of nMtT Rx o n s al

determine whic en is b in ref er ed to

If nMt etwo kTyp is asi(3), then NU L s al b returned

6.4 Au io me s reme t inf ormation bloc s

6.4.1 Audio me s reme t inf ormation bloc structure

An au io me s rement information bloc , as s own in Fig re 3, s al have the folowin

stru ture, where c is the n mb r of c an els on a con ection

An au io me s rement information bloc s al con ist of a generic me s rement information

bloc containin information sp cif i to au io p rameters that are to b avai a le f or u e by a

management agent

NOT This is a s e ial ty e of blo k th t h s n intern l f un tio alty It is merely a me n to g th r informatio

fom within th u it fom, for e ample, oth r ta le a d o je ts or dire t fom th me ia stre m, thro g th in ut

a d for this informatio to b u e a d pre e te in a sta d rdis d wa to a ma a eme t s stem This

s e ific tio d e n t d fin wh re th informatio f or th c nte t of th s blo k is s urc d fom

The group of o jects in Ta le 2 s al b implemented by al compl ant eq ipment that has a

management model that in orp rates one or more me s rement inf ormation bloc (s) The

ro t node f or these o jects s al b

{ iso(1) stan ard(0) iec6 3 9 me s rement 7) me s rementMIB(1) au ioMe s rement 2) }

This node s al b u ed as the bloc typ identif ier f or au io me s rement inf ormation bloc s

Table 2 – Ma a e obje ts f or a dio me s reme t inf ormation bloc s

A ta le of au io me s rement bloc des riptors f or this u it Eac au io meas rement bloc

in the u it has a cor esp n in entry in this ta le

6.4.3 aMtBloc Entry

An entry in the au io me s rement bloc ta le

6.4.4 aMtBloc Id

The bloc identif ier for this bloc Used as an in ex when ac es in the au io me s rement

bloc ta le

6.4.5 aMtAudioCompone tNumber

The au io comp nent identif ier The au io comp nent n mb r is the identif ier f or e c au io

item, when there are one or more au io items as ociated with a sin le vide stre m/sig al

For an au io only u it, this identif ier s al also b u ed to identif y e c au io item, when

there are one or more au io items present within the u it

NOT An a dio item h re ref ers to a sin le a dio stre m/sig al Informatio p rtainin to th n mb r of c a n ls

withinth a dio item, s c a stere f or two c a n ls, for e ample, is c ntain d within th 6.4.8 o je t

Used as an in ex when ac es in the au io me s rement bloc ta le

6.4.6 aMtNetworkBloc Id

The identif ier for the as ociated network me s rement bloc This provides a l n b twe n the

au io me s rement bloc an the network me s rement bloc

6.4.7 aMtAudioStatus

If t ue, in icates the au io sig al is present If false, in icates the au io sig al is not

This identif ier provides a l n b twe n this au io comp nent an the network interf ace on

whic it is present The values of this o ject s al b a co y of the values of if In ex from

RFC1213-MIB (MIB-I ) (1.3.6.1.2.1.2.2.1.1)

NOT Th aMtIfIn e o je t id ntif i r a ple th s ma tic of ifIn e thro g th u e of th Intera eIn e

te tu l c n e tio d fin d in RFC2 6 , Th Intera e Gro p MIB, in te d of u in th origin l s nta of ifIn e in

RFC1213-MIB (MIB-I ), whic is th id ntifier for th a s ciate n twork intera e o je t within MIB-I

If ifIndex is not u ed within the u it, then an eq ivalent n mb r to identif y the interface

s ould b u ed This s al b gre ter than ze o an s al remain con tant at le st f rom one

re-initial zation of the entity's network management s stem to the next re-initial zation

6.4.1 aMtFECType

An in ication as to the FEC typ a pl ed, if present

6.4.12 aMtFECLe gthDime sion

Des rib s the n mb r of bytes over whic FEC is a pl ed an the matrix size b in u ed If

the value of aMtF C yp is zer (no FEC present , the value of ze o s al b returned

The format s al b xxy , where x re resents the n mb r of bytes over whic FEC is

a pl ed an yy re resents the matrix size, for example, 2 0 f or 2 B an a 5×5 matrix

6.5 Video me s reme t inf ormation bloc s

6.5.1 Video me s reme t inf ormation bloc structure

A vide me s rement inf ormation bloc , as s own in Fig re 4, s al have the f ol owin

stru ture, where c is the n mb r of c an els on a con ection

Figure 4 – Video me s reme t inf ormation bloc

A vide me s rement inf ormation bloc s al con ist of a generic me s rement inf ormation

bloc containin information sp cifi to vide p rameters that are to b avai a le f or u e by a

management agent

NOT This is a s e ial ty e of blo k th t h s n intern l f un tio alty It is merely a me n to g th r informatio

fom within th u it fom, for e ample, oth r ta le a d o je ts or dire t fom th me ia stre m a d for it to b

pre e te a d u e in a sta d rdis d wa to a ma a eme t s stem This sta d rd d e n t d f i e wh re th

informatio for th c nte t of th s blo k is s urc d fom

The group of o jects in Ta le 3 s al b implemented by al compl ant eq ipment that has a

management model that in orp rates one or more me s rement inf ormation bloc (s) The

ro t node f or these o jects s al b

{ iso(1) stan ard(0) iec6 3 9 me s rement 7) me s rementMIB(1) vide Me s rement 3) }

This node s al b u ed as the bloc typ identif ier f or vide me s rement inf ormation bloc s

Table 3 – Ma a e obje ts f or video me s reme t information bloc s

A ta le of vide me s rement bloc des riptors f or this u it Eac vide me s rement bloc

in the u it has a cor esp n in entry in this ta le

6.5.5 vMtAudioBloc Id

The identifier f or the as ociated au io me s rement bloc This o ject provides a ln

b twe n the vide me s rement bloc an the au io me s rement bloc

6.5.6 vMtNetworkBloc Id

The identif ier for the as ociated network me s rement bloc This o ject provides a l n

b twe n the vide me s rement bloc an the network me s rement bloc

6.5.7 vMtVideoStatus

The statu of the vide sig al

If t ue, in icates the vide sig al is present If f lse, in icates the vide sig al is not

present

6.5.8 vMtVideoSourc Format

Des rib s the stru ture of the b se vide source format

An in ication as to the FEC typ a pl ed, if present.

6.5.14 vMtFECLe gthDime sion

Des rib s the n mb r of bytes over whic FEC is a pl ed an the matrix size b in u ed If

the value of v tF C yp is zer (no FEC present , the value of ze o s al b returned

The f ormat s al b x yy, where, x re resents the n mb r of bytes over whic FEC is

a pl ed an yy re resents the matrix size, for example, 2 0 f or 2 B an a 5×5 matrix

6.5.15 vMtTric ModeSupport

An in ication as to whether tric mode is s p orted or not

If t ue, this in icates tric mode is s p orted If fa se, this in icates tric mode is not

s p orted

6.6 Re eiv r point me s reme t inf ormation bloc

6.6.1 Re eiv r me s reme t inf ormation bloc structure

A receiver p int me s rement inf ormation bloc , as s own in Fig re 5, s al have the

fol owin stru ture, where c is the n mb r of c an els on a con ection

A receiver me s rement information bloc s al con ist of a generic me s rement inf ormation

bloc containin information sp cifi to receiver p rameters that are to b avai a le for u e by

a management agent

NOT This is a s e ial ty e of blo k th t h s n intern l f un tio alty It is merely a me n to g th r informatio

fom within th u it fom, for e ample, oth r ta le a d o je ts or dire t fom th me ia stre m a d for it to b

pre e te a d u e in a sta d rdis d wa to a ma a eme t s stem This sta d rd d e n t d f i e wh re th

informatio for th c nte t of th s blo k is s urc d fom

The group of o jects in Ta le 4 s al b implemented by al compl ant eq ipment that has a

management model that in orp rates one or more me s rement inf ormation bloc (s) The

ro t node f or these o jects s al b

{ iso(1) stan ard(0) iec6 3 9 me s rement 7) me s rementMIB(1) receiverMe s rement 4) }

This group of o jects s al only exist if the value of nMtT RxPo nt is tru in the

cor espon in row in the nMtT b e

This node s al b u ed as the bloc typ identif ier for receiver me s rement inf ormation

bloc s

Table 4 – Ma a e obje ts for re eiv r me s reme t inf ormation bloc s

A ta le of receiver p int me s rement bloc des riptors for this u it Eac receiver p int

me s rement bloc in the u it has a cor esp n in entry in this ta le

Entries in this ta le s al only exist if the value of nMt xRxP in is t ue in the

cor espon in row in the nMtT b e

The n mb r of entries is b twe n zero an the n mb r of entries in the nMt a le Sin e an

entry in the nMtT b e may not have the value of t ue for nMtT Rx o nt, there may not b

an entry in this ta le for e c entry in the nMt a le

In ad ition to the in ex of rx o nt l ckId, this ta le also u es the same in ex of

nMt l ckId as the nMtTa le

6.6.3 rxPointEntry

An entry in the receiver p int me s rement bloc ta le

6.6.4 rxPointBloc Id

The bloc identif ier for this bloc Used as an in ex when ac es in the receiver p int

me s rement bloc ta le

6.6.5 rxPointNetworkBloc Id

The in ex value (nMt l ckId) from the network me s rement ta le (nMt a le) u ed as an

Des rib s the amou t of data, expres ed as a p rcentage of the total receive buff er size,

oc upyin the receive buf f er

6.6.9 rxPointMDI

Des rib s the me s red an calc lated media del very in ex (MDI) The MDI has two

comp nents, the delay factor (DF) an the media los rate (MLR)

MDI is expres ed as simple p irs of values in the f orm of DF:MLR, e.g 0 :10

min

The me s rement of TS an DF is in ms

For further inf ormation, se EBU-Tec 3 3

6.7 Temperature me s reme t information bloc

6.7.1 Temperature me s reme t information bloc structure

A temp rature me s rement information bloc , as s own in Fig re 6, s al have the f olowin

stru ture, where c is the n mb r of c an els on a con ection

Fig re 6 – Temperature me s reme t inf ormation bloc

A temp rature me s rement inf ormation bloc s al con ist of a generic me s rement

inf ormation bloc containin information sp cif i to temp rature p rameters that are to b

avai a le f or u e by a management agent

NOT This is a s e ial ty e of blo k th t h s n intern l f un tio alty It is merely a me n to g th r informatio

fom within th u it fom, for e ample, oth r ta le a d o je ts or dire t fom th me ia stre m a d for it to b

pre e te a d u e in a sta d rdis d wa to a ma a eme t s stem This sta d rd d e n t d f i e wh re th

informatio for th c nte t of th s blo k is s urc d fom

The group of o jects in Ta le 5 s al b implemented by al compl ant eq ipment that has a

management model that in orp rates one or more me s rement inf ormation bloc (s) The

ro t node f or these o jects s al b

temp ratureMe s rement 5) }

This group of o jects are o tional, but man atory if temp rature sen ors are present within

the u it

Table 5 – Ma a e obje ts conv ying temperature information ab ut the unit

6.7.2 temperatureTable

A ta le of temp rature me s rement des riptors Eac temp rature me s rement p int in the

u it has an entry in this ta le

6.7.3 temperatureEntry

An entry in the temp rature me s rement ta le

6.7.4 temperatureBloc Id

The bloc identif ier for this bloc Used as an in ex when ac es in the temp rature

me s rement bloc ta le

6.7.5 temperatureLoc Number

The identifier where the temp rature is me s red Used as an in ex when ac es in the u it

temp rature me s rement ta le Eac temp rature me s rement p int in a u it has a u iq e

n mb r

The temp rature me s rement location n mb rs s ould b al ocated seq ential y, startin

f rom 1

6.7.6 temperatureLoc tion

A text des ription of the location of where the temp rature is b in me s red

The c r ent temp rature me s red at this location, in degre s Celsiu (°C)

6.7.8 temperatureStatus

Des rib s the c r ent statu of this p rtic lar temp rature me s rement, as f olows:

– u de e mi ed in icates the temp rature can ot b determined;

– o he in icates the temp rature is in some other state;

– u kn wn in icates the temp rature is u k own;

– ok in icates the temp rature is within ac e ta le l mits;

– warn n in icates the temp rature has re c ed the warnin level for the u it;

– c it c l in icates the temp rature has re c ed the critical level for the u it;

– n n- e over bl in icates the temp rature level for the u it is no lon er recovera le

Des rib s the low warnin l mit f or the me s red temp rature, in degre s Celsiu (°C)

6.7.10 temperatureHighWarnin

Des rib s the hig warnin lmit f or the me s red temp rature, in degre s Celsiu (°C)

6.7.1 temperatureLowCritic l

Des rib s the low critical lmit f or the me s red temp rature, in degre s Celsiu (°C)

6.7.12 temperatureHig Critic l

Des rib s the hig critical l mit for the me s red temp rature, in degre s Celsiu (°C)

Annex A

(inf ormativ )

Machine-readable measurement block definitions

This an ex provides the me s rement bloc def i ition in a mac ine- e da le f ormat

interpreta le by stan ard MIB browsin sof tware to ls It do s not expres al the

req irements of this stan ard, f or in tan e where ac es to an o ject is restricted at certain

privi ege levels If there is an in on isten y b twe n this an ex an Clau e 6, the lat er