Philips FM 1200 Transceiver
Hersteller:
Modell:
FM 1200
Datum:
1990
Kategorie:
Gruppe:
Beschreibung:
VHF/UHF FFSK MOBILE RADIOTELEPHONE TYPES

Information

INTRODUCTION Transceiver Types FM 1200 and FM 1300 are digital signalling radios designed for use in trunked mobile networks. The equipment differs from the FM1100 analogue Transceiver in that it is fitted with a Digital Signalling version (FFSK) of the Control PWB assembly. Apart from operational differences and descriptions of ancillaries normally found only on FM1200 and FM1300 radios, this Service Supplement provides information on the FFSK Control PWB assembly only. Although all standard FM1000 frequency bands can be supplied, the FM1200 radio is principally used on Band III (174 - 225MHz). It is fully approved to operate on the Band Three Radio Limited public network. These channel trunking systems allocate free channels to subscribers (for mobile-to-mobile or group calls) in real time. On completion of the call, the channel is made available for re-allocation to other subscriber calls. Call connection and channel allocation is controlled by the base control system. Fast Frequency Shift Keying (FFSK) digital signalling to MPT1327 and MPT1343 specifications is employed. FM1300 radios are designed for use on systems employing an extended version of the MPT1327 signalling protocol. For example, they allow manual channel selection for simplex or control channel working. A Non-Prescribed Data PWB can be plugged into the Control PWB, allowing connection of an external MODEM (via a socket on the front of the radio) and generation of sequential tones for revertive paging. No provision is made for the decoding of sequential tones. An RS232 interface (CCIT standard V24) is available, allowing connection of the radio’s external message bus to MODEMs, printers, personal computers etc is available and is detailed in a separate publication.

mehr

Erweiterung zur Serviceanleitung
Dokumenttyp:
Erweiterung zur Serviceanleitung
Seiten:
95
Größe:
6.08 Mbytes (6378408 Bytes)
Sprache:
english
Revision:
2
Dokument-ID:
TP253A
Datum:
1990 07 01
Qualität:
Gescanntes Dokument, alles ist lesbar.
Upload Datum:
2019 08 24
MD5:
25dd5583aa3e49f71ef5c9cdb0d02779
Downloads:
763

Information

Philips Mobile Radiotelephone Types FM1200 and FM1300 are versions of the FM1000 series VHF/UHF FM radio providing digital signalling facilities for trunking systems. This supplement provides information regarding aspects of the equipments that differ from those described in the FM1000 Service Manual (Publication Reference No TP253) and should be read in conjunction with that publication. Section and side headings are given to facilitate cross-reference. SECTION 1 GENERAL INFORMATION Summary of Data 1.1 Introduction 1.3 Trunked Mobile Telephone System 1.4 Associated Products 1.4 Equipment Variations 1.5 Glossary 1.6 SECTION 2 INSTALLATION AND OPERATION Installation 2.1 Operation 2.1 SECTION 3 TECHNICAL DESCRIPTION Circuit Summary 3.1 Control/Digital Signalling PWB PWB Non-Prescribed Data 3.10 Standard Console 3.12 SECTION 4 SERVICING Precautionary Notes and General Information 4.1 Construction 4.2 Test Equipment 4.3 Test Mode 4.4 Keypad Consoles (FM1200 only) 4.5 Standard Consoles (FM1200 only) 4.6 Keypad Consoles (FM1300 only) 4.7 Standard Consoles (FM1300 only) 4.8 Fault Diagnosis 4.9 Alignment Procedure 4.10 Performance Checks 4.11 Test Data 4.12 SECTION 5 PARTS LIST VHF/UHF FM Mobile Radiotelephone Types FM1200 & FM1300 5.1 Standard Console 5.2 SECTION 6 DIAGRAMS APPENDIX A FM1200 CUSTOMISATION FUNCTIONS Contents A.1 APPENDIX B FM1300 CUSTOMISATION FUNCTIONS Contents B.1

mehr