Specification PTC 200 Requirements for Connection of Customer

Specification PTC 200 Requirements for Connection of Customer Equipment to Analogue Lines Access Standards Telecom New Zealand Limited Wellington New Zealand May 2006 2 PTC 200 May 2006 Table of Contents Table of Contents .......................................................................................................... 2 RELATED TELECOM DOCUMENTS............................................................................ 6 REFERENCE DOCUMENTS (including later amendments)...................................... 6 FOREWORD ................................................................................................................. 7 TELECOM DISCLAIMER .............................................................................................. 9 1. SCOPE................................................................................................................. 10 1.1 Equipment types and associated Specifications ........................................... 10 1.2 Electromagnetic interference (EMI)............................................................... 11 1.2.1 Radiated energy requirements............................................................... 11 1.2.2 Immunity from radiated energy............................................................... 11 1.3 Legal requirements........................................................................................ 11 1.4 Exclusions .....................................................................................................12 1.5 Compliance with International standards....................................................... 12 1.6 Temporary relaxations................................................................................... 12 1.7 Mandatory requirements ............................................................................... 12 1.8 Exemptions from full compliance................................................................... 12 1.9 Warning to Suppliers..................................................................................... 13 1.10 Non-compliance aspects ............................................................................... 13 1.11 Warning notices............................................................................................. 14 1.12 Product and service compatibility.................................................................. 14 1.13 Ongoing compliance...................................................................................... 14 2 GENERAL ............................................................................................................ 16 2.1 Mode of presentation..................................................................................... 16 2.2 Related Specifications................................................................................... 16 2.3 Marketing features......................................................................................... 16 2.4 Specialised services & features .................................................................... 16 2.5 Variants of the same basic design................................................................. 17 2.6 Disabling of prohibited features..................................................................... 17 2.7 Naive users ................................................................................................... 18 2.8 Electrical safety ............................................................................................. 19 2.8.1 General .................................................................................................. 19 2.8.2 External power supplies ......................................................................... 19 2.8.3 Plug-in cards or modules ....................................................................... 19 2.8.4 Earth connections .................................................................................. 19 2.9 Protection from line interference ................................................................... 19 2.10 Temperature.................................................................................................. 20 2.11 Compliance testing........................................................................................ 20 2.11.1 Test procedures ..................................................................................... 20 2.11.2 Test results............................................................................................. 21 2.12 Multi-function and series connected equipment ............................................ 22 2.12.1 Types of signal....................................................................................... 22 2.12.2 Terminating function............................................................................... 22 2.12.3 Bridging function .................................................................................... 22 2.12.4 Series connected devices ...................................................................... 23 3 DEFINITIONS....................................................................................................... 25 3.1 General ......................................................................................................... 25 4 TRANSMISSION REQUIREMENTS .................................................................... 36 4.1 General ......................................................................................................... 36 4.2 Transmitted power limitations........................................................................ 37 4.3 Noise and Crosstalk ...................................................................................... 38 4.3.1 Equipment on-hook ................................................................................ 38 3 PTC 200 May 2006 4.3.2 Equipment off-hook ................................................................................ 39 4.3.3 Multi-line devices.................................................................................... 40 4.4 Distortion ....................................................................................................... 40 4.5 Line impedance of the device........................................................................ 40 4.5.1 Off-hook line impedance ........................................................................ 40 4.5.2 On-hook line impedance ........................................................................ 42 4.6 Port impedances of series connected devices .............................................. 42 4.6.1 Terminating devices ............................................................................... 42 4.6.2 Non-terminating devices ........................................................................ 42 4.7 Impedance of bridging equipment ................................................................. 43 4.8 Impedance balance ratio to earth.................................................................. 43 4.9 Frequency response...................................................................................... 44 4.9.1 Send frequency response of telephony devices..................................... 44 4.9.2 Receive frequency response of telephony devices ................................ 45 4.9.3 Non-voice equipment ............................................................................. 46 4.9.4 Series connected devices ...................................................................... 46 4.9.5 Bridging devices..................................................................................... 47 4.10 Send and Receive Loudness Ratings (SLR & RLR) ..................................... 47 4.11 Sidetone for telephony devices ..................................................................... 48 4.11.1 Significance of sidetone ......................................................................... 48 4.11.2 Optimum sidetone performance............................................................. 48 4.11.3 Sidetone Masking Rating (STMR).......................................................... 49 4.12 Instability .......................................................................................................49 4.13 Acoustic shock protection.............................................................................. 49 4.14 Adjustable volume controls on telephony devices......................................... 49 4.15 Telephony security in on-hook condition ....................................................... 50 4.16 Recorded message quality............................................................................ 50 5 SIGNALLING REQUIREMENTS .......................................................................... 52 5.1 Signalling types ............................................................................................. 52 5.2 Transmission of DTMF signalling .................................................................. 52 5.2.1 DTMF frequencies.................................................................................. 52 5.2.2 DTMF signalling requirements ............................................................... 53 5.2.3 Signal timing........................................................................................... 53 5.2.4 Series connected equipment.................................................................. 53 5.2.5 Speech circuit suppression ...................................................................

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