1、EUROPEAN T 1 ELECQMMUNICATION STANDARD ETS 300 O01 January 1997 Fourth Edition Source: ETSI TC-TE Reference: RE/ATA-001 O1 6.4 (formerly: RWE-04-16.4) ICs: 33.020 Key words: PSTN, access, TE, connection methods Attachments to Public Switched Telephone Network (PSTN); General technical requirements f
2、or equipment connected to an analogue subscriber interface in the PSTN Chapter 8: Connection methods ETSI European Telecommunications Standards Institute ETSI Secretariat Postal address: F-O6921 Sophia Antipolis CEDEX - FRANCE Office address: 650 Route des Lucioles - Sophia Antipolis - Valbonne - FR
3、ANCE X.400: c=fr, a=atlas, p=etsi, s=secretariat - Internet: secretanatetsi.fr Tel.: +33 4 92 94 42 O0 - 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 medi
4、a. O European Telecommunications Standards Institute 1997. All rights reserved. STDmETSI ETS 300 O01 CHP 8-ENGL 1997 W 3400855 0184137 b85 Page 2 ETS 300 001: January 1997 Whilst every care has been taken in the preparation and publication of this document, errors in content, typographical or otherw
5、ise, 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. STD.ETS1 ETS 300 OOL CHP 8-ENGL 1997 H 3400855 0181iL38 511 H Page3 ETS 300 001: January 1997 Contents Foreword . 5 8 Connection methods .
6、7 Network termination point for the PSTN 7 Single terminal connection for PSTN-access 21 Simple and multiple connection for PSTN-access . 80 8.1 8.2 8.3 History 1 12 STD-ETSI ETS 300 O01 CHP 8-ENGL 1777 3400855 0184137 458 W Page 4 ETS 300 001 : January 1997 Blank page Page 5 ETS 300 O01 : January 1
7、997 STD-ETSI ETS 300 001 CHP 8-ENGL 1777 3Li00855 OLBilllO L7T = Foreword Chapter 8 of this European Telecommunication Standard (ETS) has been produced by the Terminal Equipment (TE) Technical Committee of the European Telecommunications Standards Institute (ETSI). The text of this ETS may be utiliz
8、ed, wholly or in part, for the establishment of NET 4. For historical purposes, this ETS was drafted in the form of a NET. However, the terms NET or NET 4 in this document should be read as ETC or ETS 300 O01 respectively. This ETS comprises ten chapters: “Attachments to Public Switched Telephone Ne
9、twork (PSTN); General technical requirements for equipment connected to an analogue subscriber interface in the PSTN“. Chapter Chapter Chapter Chapter Chapter Chapter Chapter Chapter Chapter Chapter 1- 2- 3- 4- 5- 6- 7- 8- 9- 10 - General DC Characteristics Ringing signal characteristics Transmissio
10、n characteristics Calling functions Answering function Power failure Connection methods Special functions Additional unclassified requirements Refer to Chapter i (General) of this ETS for information on the structure and details of how to use this ETC. The national designations, used to identify nat
11、ional variations to requirements and tests within this ETS, are given in section 1.9 of Chapter 1. Transposition dates Date of latest announcement of this ETS (doa): 30 April 1997 Date of latest publication of new National Standard or endorsement of this ETS (dop/e): 31 October 1997 Date of withdraw
12、al of any conflicting National Standard (dow): 31 October 1997 STDSETSI ETS 300 O01 CHP 8-ENGL 1777 = 3900855 018Li141 ClOb Page 6 ETS 300 001 : January 1997 Blank page STDmETSI ETS 300 O03 CHP 8-ENGL 1997 3400855 0384342 T42 page, ETS 300 O01 : January 1997 8 Connection methods Introduction to Chap
13、ter 8 This chapter sets out the mechanical and electrical methods used for connection of TE to the standard analogue PSTN interface. It is grouped in three sections. The first section, 8.1, describes the network termination point or points of the PSTN and is for information. Sections 8.2 and 8.3 des
14、cribe the connection methods, in detail, for single terminal connections and multiple terminal connections, according to the type of TE. Sections 8.2 and 8.3 contain information describing the mandatory method of connection of TE to the network, unless otherwise stated. Where applicable, compliance
15、to the requirements in this chapter shall be checked according to the tests outlined in the appropriate sections of this paragraph or according to the referenced National Standards or by inspection. As the connection methods are different in each country, there is no common text for the different se
16、ctions. Therefore, the numbering in the sections follows the system used for remark numbering throughout this document. 8 (DK) 1 Danish specifications in chapter 8 are for information only. 8.1 Network termination point for the PSTN 8.1 (A) 1 8.1 (B) 1 In Austria, the basic network termination is a
17、special threefold socket, which includes three sockets connected in series and a tone ringer for the last socket. The tone ringer serves as a line termination and shall conform to the requirements for a telephone set ringer. Each socket has 10 poles. When a plug of a telephone set is inserted into t
18、he telephone socket from the threefold socket, the tone ringer is disconnected from the line. The installation of the socket(s) which is (are) connected to the PSTN is the monopoly of the PTT. The number of sockets is not limited. The last socket is always terminated by a (tone) ringer. If more TES
19、are connected on one line in quiescent condition the ringer circuits of the TE are connected in parallel. A parallel connection of TE with telephony functions in loop condition is not allowed. In Belgium, the basic termination is a four pole socket (shown in figures 8.1(B) 1.1 or 8.1 (9) 1.2), provi
20、ded and installed by BELGACOM at the subscribers premises. This socket also contains an electrical load (RC Network) which terminates the PSTN line (a and b wires). There are two versions of this RC network: - old model: R = 4 700 R in series with C = 1 pF. When a plug is inserted into the socket, t
21、he RC network is automatically disconnected from the line; - new model: R = 47 kR in series with C = 0,47 pF permanently connected between the a and b wires. STD-ETSI ETS 300 O01 CHP 8-ENGL L777 3q00855 01841Li3 787 m Page 8 ETS 300 O01 : January 1997 1) Capacitor 0.47 pF 2) Resistance 47 kZ1 O O0 O
22、0 n I 1 Il I Ir Figure 8.1 (B) 1.1: Belgian standard socket (new model) STD-ETSI ETS 300 001 CHP 8-ENGL 1997 m 3L(00855 OLBL(LL(L( A15 Page9 ETS 300 O01 : January 1997 I 1) Capacitor 1 pF -10 % -250 V 2) Resistance 4700 ohms - 1 W O O0 O0 O a Y-T- I I Figure 8.1 (B) 1.2: Belgian standard socket (old
23、 model) _ STD*ETSI ETS 300 O01 CHP 8-ENGL 1777 3400855 0184145 751 Page 10 ETS 300 O01 : January 1997 8.1 (BG) 1 The normal method of presentation of the standard analogue subscriber interface of the PSTN is by means of a socket on the network termination, to which TE is connected by means of a mult
24、i-contact plug complying with Bulgarian standard, BDS 4060-87. 8.1 (CY) 1 In Cyprus, the network termination is done by a “Primary Socket“, which includes a RC-network and a voltage protection device. Other sockets (secondary sockets) can be installed in addition. 8.1 (CZ) Connection point (CP) of t
25、he Public Switched Telephone Network (PSTN) The Connection Point (CP) (for the purposes of this ETS, the PSTN Connection Point is defined in subclauses 1.4.3 and 1.4.3 (CZ) is realized in the Public Switched Telephone Network (PSTN) by two different solutions. The older solution is the telephone soc
26、ket described in subclause 8.1 (CZ) 1.1 (STZ), while the new solution is realized by the subscribers telephone socket (TZU), defined in subclause 10.8 (CZ) 1. In the text the following terms are used: - Connector socket - the socket of the six-position connector in the mechanical design according to
27、 the FCC, Title 47: 1994, Part 68.500 (b) (see subclause 10.8 (CZ); - Connector plug - the plug of the six-position connector in the mechanical design according to the FCC Tittle 47:1994, Pari 68.500 (a),(see subclause 10.8 (CZ); - RJ12 - the six-position, six-pole connector socket or plug; - RJ11 -
28、 the six-position, four-pole connector socket or plug; - Modular socket - the connector socket located in the body of TZU or TZ (see subclause 10.8 (CZ); - Telephone plug - the plug (according to figure 8.1 (CZ)1.2), attached to the TE lead-in cord; - Equipment socket - the connector socket RJ12, or
29、 RJ11, located on TE and intended for the connection of the lead-in or interconnecting cord; - Lead-in cord - a movable multi-wire cord, intended for connection of the TE to the CP; - Interconnecting cord - a movable multi-wire cord intended for the interconnection of two TE, connected to one CP; -
30、Subscribers cabling - the interconnection of several telephone sockets (STZ or TZU and TZ) connected to one CP and intended for the connection of several TE; - One-port TE - see subclause 1.4.4.1 (CZ) 1 ; - Series-connected TE - see subclause 1.4.4.1 (CZ) 2; - TE for independent operation - see subc
31、lause 1.4.4.1 (CZ); - TE additional - see subclause 1.4.4.1 (CZ) 4; - TE multi-lines - see subclause 1.4.4.1 (CZ) 5; - TE Type 1 to TE Type 4 - see subclause 1.4.4.2. STD-ETSI ETS 300 O01 CHP 8-ENGL 1777 m 3Li00855 OLBLiLLib b78 m pageil ETS 300 O01 : January 1997 8.1 (CZ) 1 Older telephone socket (
32、STZ) and telephone plug The older design telephone socket, shown in figure 8.1 (CZ) 1.1 (STZ) is connected to the end of the subscribers line and represents the PSTN CP. The telephone plug shown in figure 8.1 (CZ) 1.2 is intended for connection of the STZ. For fixing the plug to the socket, the tele
33、phone plug is equipped with a screw, by means of which it is fixed to the STZ. The STZ connector is not equipped with a line termination circuit. Therefore the TE takes over this function. For this reason, the TE is fitted with a modified ringing signal detector. Due to its mechanical design, the ST
34、Z connector is intended for permanent connection to the TE. Disconnection and subsequent reconnection of the TE is potentially possible, but degrades the quality of the socket transmission characteristics. New installations of the STZ connector shall not be carried out. Figure 8.1 (CZ) 1.1 Figure 8.
35、1 (CZ) 1.2 STD*ETSI ETS 300 O01 CHP 8-ENGL 1997 3400855 0184147 524 Page 12 ETS 300 O01 : January 1997 8.1 (CZ) 2 Subscribers telephone socket (TZU) The subscribers telephone socket (TZU) is to be connected to the end of the subscribers line and is intended for the connection of as many as three TE
36、on one PSTN CP. In comparison with the STZ connector, the TZU connector is equipped with a line termination circuit. The mechanical and electrical requirements of the TZU connector, including the diagrams of the particular variants are given in subclause 10.6 (CZ) 1, where the other requirements are
37、 laid down also for the telephone sockets (TZ), intended for connection to the subscribers cabling. The design of the TZU and TZ connectors facilitates frequent disconnection and connection of the TE. 8.1 (SF) 1 8.1 (F) 1 8.1 (D) 1 8.1 (GR) 1 8.1 (H) 1 In Finland the basic telephone network terminat
38、ion is a nationally standardised three pole socket at the subscribers premises. Also, a six-pole mini-connector is used, but the use is very limited. All the equipment that are meant to be connected to the PSTN have to be provided with a plug that fits the socket. The network provider supplies the n
39、etwork to the distribution frame in the building. The internal cabling, including sockets, can be installed by an authorised company. In France, the basic network termination point is the first cut off point located at the subscribers premises. This point is mainly materialised by a nationally stand
40、ardised 8-pole socket which contains a RC network (R = 20 kohms, C = 2,2 pF) between the PSTN wires for testing the line. Also, a 6 pole socket and a 12 or 24 pole connecting strip are used, but only in old subscribers installation in the first case and for some types of TE in the second case (e.g.
41、meter pulse detector). The first socket (or connecting strip) is provided and installed by the Public Telecommunications Operator or by any authorised company. Other sockets may be wired in parallel by the subscriber himself. The number of ringer circuits is limited up to 3 for each subscribers line
42、. In Germany, the basic network termination is a 6 pole socket, provided and installed by the Deutsche Bundespost (DBP) at the subscribers premises. Only the first socket is provided by the DBP. subscribers may add additional sockets and installations. Direct parallel connecting is not allowed, this
43、 is done using manual or automatic switches (When TES are in quiescent condition the ringer circuits are connected in parallel. Transmission circuits are individual switched, as required). The maximum number of ringer circuits is 4. The first socket has a terminating circuit (R = 480 kohms, diode) i
44、n it. When a plug is inserted into the socket the hard wired circuit behind this socket (a2, b2) is disconnected. Depending on the type of the plug, the connection is either locked or arrested. Normally it is arrested. At the moment, the official physical connection method of the first telephone set
45、 is exclusively by a fixed way, namely by a small plastic termination box (rosette). All other connection points, are allowed to consist of a plug and socket system, the type of which is not yet specified. In Hungary, the physical realisation of connections to PSTN are regulated by Basic Technical P
46、lans as well as by national standards. these regulations apply, first of all, to subscriber TES and do not cover the connection points of separated or private (PABX) networks. STD-ETSI ETS 300 001 CHP 8-ENGL 1777 3400855 0184148 4b0 -page13 ETC 300 O01 : January 1997 8.1 (IS) 1 The PSTN is provided
47、by the P however, only telephone sets supplied by TLP are allowed to be connected to this socket. For other types of TE, TLP recommends a special socket (ADO 8) but the subscribers may use any socket they want provided that it has been approved by TLP. For permanently connected TE (ALL types), conne
48、ction boxes and distribution frames are allowed. In the area of CTT (the rest of the country) a special socket (ADO 8) is always used to connect facsimile machines. For other types of TE any socket approved by CTT is allowed or, if the TES are permanently connected, connection boxes and distribution
49、 frames may be used. On the 1st of January 1988 a new regulation came into force introducing a nationally standardised 6-pin modular plug and socket system to be in full application in all new installations after a maximum transient period of 30 months. As a first step and after the transient period, this new connection system will be used only with single telephone sets but, in the future it is expected that it will be used with other types
