BS PAS 019(1997) : 1997

Foreword
Section 1. General
1.1 Scope
1.2 References
1.3 Definitions
1.4 Symbols and abbreviations
1.5 Guidance for use
Section 2. Telecommunications terminal equipment
2.1 Testing
2.2 General
2.3 Mechanical
2.4 Mouldings, materials and graphics
2.5 Ringing or alerting signal
2.6 Signalling
2.7 Dynamic test programme
2.8 Stray magnetic fields
2.9 Hookswitch
2.10 Calling line identification
2.11 Instructions for use
2.12 Marking
Section 3. Telephones and loudspeaking telephones
3.1 Transmission performance
3.2 Line interface
Section 4. Telephone answer and recording machine
4.1 Electrical
4.2 Tape and tape deck
4.3 Durability
Section 5. Electromagnetic compatibility
5.1 Test conditions
5.2 Emission and immunity test requirements
5.3 Performance criteria
Annexes
A (normative) Methods of test
B (informative) Guidance on the use of evaluation methods
List of references
Tables
1 Recommended dimensions for the construction of
    handset cord
2 Recommended connections for line cord termination
3 sidetone distortion test values
4 Limit of sending sensitivity
5 Limit of receiving sensitivity
6 Limit of receiving sensitivity for monitor and call
    progress monitor
7 Emission
8 Immunity - enclosure port
9 Immunity - TTE port
10 Immunity - ports for signal and control lines
11 Immunity - d.c. input power ports (excluding
    equipment marketed with an a.c./d.c. power converter)
12 Immunity - a.c. input power ports (including equipment
    marketed with a separate a.c./d.c. power converter)
A.1 Programme of sample testing
B.1 Evaluation of TTE
B.2 Evaluation of telephones and loudspeaking telephones
B.3 Evaluation of TARM
B.4 Evaluation of EMC
Figures
1 TTE ports
2 Viewing angle determination
3 Handset cord
4 Line cord
5 Sequence diagram for British Telecommunication plc
    networks
6 Sequence diagram for cable and other networks
7 Inductive coupling symgol
A.1 Schematic diagram of test jig
A.2 Simulated finger
A.3 Simulated fingernail
A.4 Suitable shank for scratch needles
A.5 Line reversal test circuit

Defines requirements and test methods for telecommunications equipment (TTE) to make improvements in quality and consumer annoyance issues. Applies to simple and loudspeaking telephones, telephone answering and recording machines and equipment supporting calling line identification (CLI) display services. Does not apply to mobile or cordless telephones.