SIST ETS 300 461-1 E1:2003

SLOVENSKI STANDARD
SIST ETS 300 461-1 E1:2003
01-december-2003
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Transmission and Multiplexing (TM); Flexible Multiplexer (FM) equipment; Part 1: Core
functions, 2 048 kbit/s aggregate interface functions, tributary interface functions and
special functions
Ta slovenski standard je istoveten z: ETS 300 461-1 Edition 1
ICS:
33.040.20 Prenosni sistem Transmission systems
SIST ETS 300 461-1 E1:2003 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST ETS 300 461-1 E1:2003

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SIST ETS 300 461-1 E1:2003
EUROPEAN ETS 300 461-1
TELECOMMUNICATION October 1996
STANDARD
Source: ETSI TC-TM Reference: DE/TM-01013-1
ICS: 33.040.20
Key words: Interface, transmission, MUX
Transmission and Multiplexing (TM);
Flexible Multiplexer (FM) equipment;
Part 1: Core functions, 2 048 kbit/s aggregate interface
functions, tributary interface functions and special functions
ETSI
European Telecommunications Standards Institute
ETSI Secretariat
Postal address: F-06921 Sophia Antipolis CEDEX - FRANCE
Office address: 650 Route des Lucioles - Sophia Antipolis - Valbonne - FRANCE
X.400: c=fr, a=atlas, p=etsi, s=secretariat - Internet: secretariat@etsi.fr
Tel.: +33 4 92 94 42 00 - Fax: +33 4 93 65 47 16
Copyright Notification: No part may be reproduced except as authorized by written permission. The copyright and the
foregoing restriction extend to reproduction in all media.
© European Telecommunications Standards Institute 1996. All rights reserved.

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ETS 300 461-1: October 1996
Whilst every care has been taken in the preparation and publication of this document, errors in content,
typographical or otherwise, may occur. If you have comments concerning its accuracy, please write to
"ETSI Editing and Committee Support Dept." at the address shown on the title page.

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ETS 300 461-1: October 1996
Contents
Foreword .9
1 Scope .11
2 Normative references.11
3 Definitions.13
4 Abbreviations.14
5 Network reference configuration .15
6 Reference model and reference points.15
7 Core functions .18
7.1 Cross connection functions.18
7.2 Multiplexer Timing Source (MTS) .19
7.3 Control functions.19
7.4 Timing interfaces at 2 048 kHz .20
7.5 Power supply interface.20
7.6 Configurable parameters .20
7.7 Test functions .20
8 Aggregate interfaces .20
8.1 Reference point G.20
8.2 2 048 kbit/s CCITT Recommendation G.703 aggregate interface .21
8.2.1 Physical Interface function .21
8.2.1.1 Physical interface.21
8.2.1.2 Signal processing .21
8.2.1.3 Performance.21
8.2.1.4 Control signals.21
8.2.1.5 Signal at reference point B (or G).21
8.2.1.6 Mapping rules .21
8.2.1.7 Configurable parameters.22
8.2.1.8 Test functions .22
8.2.2 Lower order Section Protection Switch function.22
8.2.2.1 Signal at reference point B .23
8.2.2.2 Signal processing .23
8.2.2.3 Performance.23
8.2.2.4 Control signals.23
8.2.2.5 Signal at reference point G.23
8.2.2.6 Mapping rules .23
8.2.2.7 Configurable parameters.23
8.2.2.8 Test functions .23
8.3 Plesiochronous lower order path termination function.23
8.3.1 Signal at reference point G.23
8.3.2 Signal processing .24
8.3.3 Performance.24
8.3.4 Control signals.24
8.3.5 Signal at reference point H (or J) .24
8.3.6 Mapping rules.24
8.3.7 Configurable parameters.24
8.3.8 Test functions.25
8.4 Lower order path protection switch function .25
8.4.1 Signal at reference point H.25
8.4.2 Signal processing .25

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8.4.2.1 1+1 protection . 25
8.4.2.2 1 for n protection . 25
8.4.3 Performance . 26
8.4.4 Control signals . 26
8.4.5 Signal at reference point J. 26
8.4.6 Mapping rules . 26
8.4.7 Configurable parameters . 26
8.4.8 Test functions . 26
9 Tributary interfaces. 27
9.1 Analogue, 64 kbit/s coding interfaces . 27
9.1.1 2-wire/4-wire voice band (3 400 Hz) interface . 27
9.1.1.1 Physical interface. 27
9.1.1.2 Coding. 27
9.1.1.3 Performance . 27
9.1.1.4 Signalling. 28
9.1.1.5 Signal at reference point M . 28
9.1.1.6 Cross connection rules . 28
9.1.1.7 Configurable parameters . 28
9.1.1.8 Test functions. 29
9.1.2 2-wire/4-wire voice band (3 400 Hz) with d.c. signalling interface . 29
9.1.2.1 Physical interface. 29
9.1.2.2 Coding. 29
9.1.2.3 Performance . 29
9.1.2.4 Signalling. 29
9.1.2.5 Signal at reference point M . 30
9.1.2.6 Cross connection rules . 30
9.1.2.7 Configurable parameters . 30
9.1.2.8 Test functions. 30
9.1.3 PSTN interface . 31
9.1.4 Wide band (7 kHz) interface. 31
9.1.4.1 Physical interface. 31
9.1.4.2 Coding. 31
9.1.4.3 Performance . 31
9.1.4.4 Signalling. 31
9.1.4.5 Signal at reference point M . 31
9.1.4.6 Cross connection rules . 31
9.1.4.7 Configurable parameters . 31
9.1.4.8 Test functions. 32
9.2 Synchronous data interfaces. 32
9.2.1 CCITT Recommendation G.703, 64 kbit/s codirectional interface . 32
9.2.1.1 Physical interface. 32
9.2.1.2 Signal processing. 32
9.2.1.3 Performance . 32
9.2.1.4 Control signals . 32
9.2.1.5 Signal at reference point M . 33
9.2.1.6 Cross connection rules . 33
9.2.1.7 Configurable parameters . 33
9.2.1.8 Test functions. 33
9.2.2 CCITT Recommendation X.24 interface . 33
9.2.2.1 Physical interface. 33
9.2.2.2 Signal processing. 34
9.2.2.3 Performance . 34
9.2.2.4 Control signals . 34
9.2.2.5 Signal at reference point M . 34
9.2.2.6 Cross connection rules . 34
9.2.2.7 Configurable parameters . 35
9.2.2.8 Test functions. 35
9.2.3 CCITT Recommendation V.24 (V.10 and V.11) interface . 35
9.2.3.1 Physical interface. 36
9.2.3.2 Signal processing. 36
9.2.3.3 Performance . 36
9.2.3.4 Control signals . 37

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9.2.3.5 Signal at reference point M.37
9.2.3.6 Cross connection rules .37
9.2.3.7 Configurable parameters.37
9.2.3.8 Test functions .37
9.2.4 Integrated base band transmission system for data interfaces.38
9.2.4.1 Physical interface.38
9.2.4.2 Signal processing .38
9.2.4.3 Performance.38
9.2.4.4 Control signals.38
9.2.4.5 Signal at reference point M.38
9.2.4.6 Cross connection rules .38
9.2.4.7 Configurable parameters.39
9.2.4.8 Test functions .39
9.3 CCITT Recommendation G.704 formatted n x 64 kbit/s signal interface .39
9.3.1 Physical interface .39
9.3.2 Signal processing .39
9.3.3 Performance.40
9.3.4 Control signals.40
9.3.5 Signal at reference point M .40
9.3.6 Cross connection rules.40
9.3.7 Configurable parameters.40
9.3.8 Test functions.40
9.4 ISDN tributary interfaces.41
9.5 CCITT Recommendation G.703, 2 048 kbit/s unstructured interface.41
9.5.1 Physical interface .41
9.5.2 Signal processing .42
9.5.3 Performance.42
9.5.4 Control signals.42
9.5.5 Signal at reference point G.42
9.5.6 Cross connection rule.42
9.5.7 Configurable parameters.42
9.5.8 Test functions.42
10 Defect or failure conditions and consequent actions.42
10.1 Defect or failure conditions in the core functions and consequent actions at reference
points J1 and M2.42
10.1.1 Defect or failure conditions in the core functions .42
10.1.1.1 Power supply failure .42
10.1.1.2 Loss of synchronization references .43
10.1.2 Consequent actions at reference points J1 and M2.43
10.2 Defects or failures at reference points A2 of the 2 048 kbit/s CCITT Recommendation
G.703 aggregate Physical Interface and consequent actions at reference points A1
and B2 (or G2) .44
10.2.1 Defect or failure conditions at reference points A2 of the 2 048 kbit/s
CCITT Recommendation G.703 aggregate Physical Interface.44
10.2.1.1 Loss Of incoming aggregate Signal (LOS).44
10.2.1.2 Bipolar violation error.45
10.2.2 Consequent actions at reference points A1 and B2 (or G2) .46
10.3 Defects or failures at reference points G2 and consequent actions at reference
points G1 and H2 (or J2) .46
10.3.1 Defect or failure conditions at reference points G2.46
10.3.1.1 Loss of frame alignment .46
10.3.1.2 Excessive bit error ratio .46
10.3.1.3 Defect indications from a remote equipment in TS 0 .47
10.3.1.4 Reception of alarm indication signal.47
10.3.1.5 Loss of multiframe alignment .47
10.3.1.6 Defect indication from a remote equipment in TS 16 .47
10.3.1.7 Reception of alarm indication signal in TS 16 .47
10.3.1.8 Frame slip.48
10.3.1.9 CRC4 block error.48
10.3.1.10 Remote CRC4 block error .48
10.3.2 Consequent actions at reference points G1 and H2 (or J2).48

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10.4 Defects or failures at reference points P1 and consequent actions at reference
points P2 and M1 . 50
10.4.1 Defects or failure conditions at reference points P1. 50
10.4.1.1 2-wire/4-wire voice band (3 400 Hz) interface. 50
10.4.1.2 2-wire/4-wire voice band (3 400 Hz) with d.c. signalling
interface . 50
10.4.1.3 PSTN interface. 50
10.4.1.4 Wide band interface (7 kHz) . 50
10.4.1.5 CCITT Recommendation G.703, 64 kbit/s codirectional
interface . 50
10.4.1.6 CCITT Recommendation X.24 interface. 50
10.4.1.7 CCITT Recommendation V.24 (V.10 and V.11) interface. 51
10.4.1.8 Integrated baseband transmission system for data
interfaces . 51
10.4.1.9 CCITT Recommendation G.704 formatted n x 64 kbit/s
signal interface. 51
10.4.1.10 ISDN interfaces. 51
10.4.1.11 CCITT Recommendation G.703, 2 048 kbit/s
unstructured interface . 51
10.4.2 Consequent actions at reference points P2 and M1. 52
10.4.2.1 2-wire/4-wire voice band (3 400 Hz) interface. 52
10.4.2.2 2-wire/4-wire voice band (3 400 Hz) with d.c. signalling
interface . 52
10.4.2.3 PSTN interface. 52
10.4.2.4 Wide band interface (7 kHz) . 52
10.4.2.5 CCITT Recommendation G.703, 64 kbit/s codirectional
interface . 52
10.4.2.6 CCITT Recommendation X.24 interface. 53
10.4.2.7 CCITT Recommendation V.24 (V.10 and V.11) interface. 53
10.4.2.8 Integrated baseband transmission system for data
interfaces . 53
10.4.2.9 CCITT Recommendation G.704 formatted n x 64 kbit/s
signal interface. 53
10.4.2.10 ISDN interfaces. 55
10.4.2.11 CCITT Recommendation G.703, 2 048 kbit/s
unstructured interface . 55
11 Performance monitoring . 55
12 Test functions . 55
Annex A (normative): Differentiating between user information and network failure indication. 56
A.1 Signal processing (subclause 9.2.2.2). 56
A.2 Configurable parameters (subclause 9.2.2.7) . 56
A.3 CCITT Recommendation X.24 interface (subclause 10.4.1.6). 56
A.4 Signal processing (subclause 9.2.3.2). 56
A.5 Configurable parameters (subclause 9.2.3.7) . 57
A.6 CCITT Recommendation V.24 (V.10 and V.11) interface (subclause 10.4.1.7). 57
A.7 CCITT Recommendation X.24 interface (subclause 10.4.2.6). 57
A.8 CCITT Recommendation V.24 (V.10 and V.11) interface (subclause 10.4.2.7). 58
Annex B (normative): Analogue tributary interfaces, 32 kbit/s coding . 59
B.1 2-wire/4-wire voice band (3 400 Hz) interface . 59
B.1.1 Physical interface . 59

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B.1.2 Coding.59
B.1.3 Performance .59
B.1.4 Signalling .59
B.1.5 Signal at reference point M.59
B.1.6 Cross connection rules .59
B.1.7 Configurable parameters .60
B.1.8 Test functions .60
B.2 2-wire/4-wire voice band (3 400 Hz) with d.c. signalling interface.60
B.2.1 Physical interface.60
B.2.2 Coding.60
B.2.3 Performance .60
B.2.4 Signalling .61
B.2.5 Signal at reference point M.61
B.2.6 Cross connection rules .61
B.2.7 Configurable parameters .62
B.2.8 Test functions .62
B.3 Defects or failure conditions at reference points P1 or P2.62
B.3.1 2-wire/4-wire voice band (3 400 Hz) interface .62
B.3.2 2-wire/4-wire voice band (3 400 Hz) with d.c. signalling interface .62
B.4 Consequent actions at reference points P2 and M1 .63
B.4.1 2-wire/4-wire voice band (3 400 Hz) interface .63
B.4.2 2-wire/4-wire voice band (3 400 Hz) with d.c. signalling interface .63
Annex C (informative): The position and use of loopbacks for testing data channels .64
C.1 The use of loopbacks.64
C.2 Local loopbacks.64
C.2.1 Local loopbacks CCITT Recommendation X.150.64
C.2.1.1 Loopback 1.64
C.2.1.2 Loopback 3c.64
C.2.1.3 Loopback 3b.65
C.2.2 Local loopbacks CCITT Recommendation V.54.65
C.2.2.1 Loopback 1.65
C.2.2.2 Loopback 3.65
C.3 Remote loopbacks .66
C.3.1 Remote loopbacks CCITT Recommendation X.150 .66
C.3.1.1 Loopback 4b.66
C.3.1.2 Loopback 2b.66
C.3.
...