BS ISO 21792:2019
$142.49
Ships and marine technology. Navigation and ship operations. Guidelines for onboard telephone equipment
| Published By | Publication Date | Number of Pages |
| BSI | 2019 | 28 |
This document provides general and specific recommendations related to the quality of communication, connectivity, installation, performance and maintenance of onboard telephone equipment, including automatic telephones, common battery telephones, battery-less telephones and sound-powered telephones.
It also specifies requirements for the related performance tests (shop tests and onsite tests) and for the maintenance tests.
It is not applicable to digital telephones, LAN (VoIP) telephones, and wireless telephones.
These telephones are excluded because they were under development during the elaboration of this document so that their specifications remained to be determined.
Table 1 further illustrates the applicability of this document.
X: covered in this document.
n.a.: not applicable.
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 2 | National foreword |
| 7 | Foreword |
| 8 | Introduction |
| 9 | 1 Scope 2 Normative references 3 Terms and definitions 3.1 Types of telephones |
| 10 | 4 General characteristics 4.1 General |
| 11 | 4.2 Automatic telephones |
| 12 | 4.3 Common battery telephones 4.4 Battery-less telephones 4.5 Sound-powered telephones 5 Quality 5.1 General 5.2 Measures to prevent howling |
| 13 | 5.3 Measures to suppress noise 6 Data recommendations — Automatic telephones 6.1 General 6.2 Multifunction telephones 6.2.1 Signal condition 6.3 Analog telephone 6.3.1 Signal condition |
| 14 | 6.3.2 Output signal 6.3.3 Input signal 6.4 Connection to external communication equipment 6.4.1 Signal condition 6.4.2 Output signal 6.4.3 Input signal 7 Installation 7.1 General |
| 15 | 7.2 Environment 7.2.1 Temperature 7.2.2 Vibration and swinging motion 7.2.3 Dust and water protection 7.3 Explosion protection 7.4 Cabling |
| 16 | 8 Performance tests 8.1 General 8.2 Shop test |
| 19 | 8.3 Onsite test 8.3.1 General 8.3.2 Automatic telephones |
| 21 | 8.3.3 Common battery telephones, battery-less telephones and sound-powered telephones |
| 22 | 9 Maintenance 9.1 General 9.2 Routine maintenance 9.3 Periodic maintenance 9.3.1 Method |
| 23 | 9.3.2 Measures against corrosion 9.4 Periodic maintenance programme and procedures 9.4.1 Automatic telephones |
| 24 | 9.4.2 Common battery telephones, battery-less telephones and sound-powered telephones 9.5 Replacement period |
| 26 | Bibliography |
