Vcom IduBST1918 Скачать руководство пользователя страница 4

 

 

VCom Inc. 

BST1918 Manual; ml_bst1918_02 (Sept 2005) 

Approved: C.H.

 

iv 

SAFETY PRECAUTIONS 

 
1. Before installing and operating this equipment, read all Safety, Installation and Operating sections. Retain 
this manual for future reference. 
2. Follow all instructions — Failure to do so may result in damage to the unit or severe personal injury. 
3. Servicing should not be attempted by the user. There are no user serviceable parts inside. Refer all 
servicing to factory-qualified personnel. 
4. Shock Hazard — An electrical shock hazard exists when the chassis cover is removed as is required to set 
internal controls. Always disconnect power from the unit before removing the cover. 
5. Cleaning — Do not use liquid or aerosol cleaners. Use a damp cloth for cleaning. 

Warning 

Do not work on the system or connect or disconnect cables during periods of lightning activity. 

PRÉCAUTIONS DE SÉCURITÉ  

 

 1. Avant d'installer ou d'opérer cet équipement, lisez, toutes les sections de sécurités, d'installations et 
d'opérations. Gardez ce manuel comme source de référence. 
 2. Suivez toutes instructions - si non, vous risquez d'endommager la machine ou de vous blesser 
sérieusement. 
 3. N'essayez, pas de réparer cet équipement vous même. Référez toutes revisions nécessaire au personnel 
qualifié de la manufacture. 
 4. Risque de choc - Il y a un risque de décharge électrique qui existe quand la couverture du châssis est 
enlevée, comme est nécessaire pour ajuster les contrôlcs internes. Il faut toujours couper l'électricité avant 
d'enlever le couvercle pour faire aucun ajustage. 
 5. Le nettoyage - n'utilisez pas de nettoyeurs aérosols ou liquides. Utilisez un tissu humide pour nettoyer. 

Attention 

Ne pas travailler sur le système ni brancher ou débrancher les câbles pendant un orage du 

foudre.

 

 

 

 

 

Caution: To comply with FCC RF exposure requirements in 
section 1.1307, any antenna which is connected to a BST1918  
requires a minimum distance of 1.5 meters between it and all 
persons.

 

Important Installation Instructions 

Содержание IduBST1918

Страница 1: ...INSTALLATION AND OPERATION GUIDE FOR SYSTEM OPERATORS...

Страница 2: ...ion and to make changes in content from time to time without obligation on the part of VCom Inc to provide notification of such revision or change VCom Inc provides this guide without warranty of any...

Страница 3: ...designs and manufactures Agile CATV Modulators 256 QAM Upconverters Digital Video Modulators Frequency Translators Spread Spectrum Devices MMDS Transceivers Off Air CATV Demodulators Wireless Cable M...

Страница 4: ...installer ou d op rer cet quipement lisez toutes les sections de s curit s d installations et d op rations Gardez ce manuel comme source de r f rence 2 Suivez toutes instructions si non vous risquez...

Страница 5: ...ng the Unit 8 2 2 Operating Environment 8 2 3 Power Requirements 8 2 4 Rack Mounting 8 2 5 Module Installation Replacement 8 3 0 OPERATION 9 3 1 Front Panel Description 9 3 2 Operating Modes 10 4 0 RE...

Страница 6: ...r in a switchover situation Low noise 4 dB including duplexer loss Digital temperature compensation to guarantee specifications over full operating temperature range All local oscillators are frequenc...

Страница 7: ...Noise 51 dBc double sideband integrated over 10 kHz to 2 5 MHz MER equalized 38 dB IF Cable Compensation Range 15 dB Spectral inversion No spectral inversion RECEIVE RF Input Frequency Range 1870 1885...

Страница 8: ...should be installed in a rack allowing access to the back of the unit The transceiver should be isolated from strong RF radiation emanating from local equipment in the rack 2 5 Module Installation Rep...

Страница 9: ...ectly installed and enabled by the WM4040 OUTPUT ENABLED LED When the green OUTPUT ENABLED indicator is illuminated the internal output circuitry is enabled to provide an RF output The OUTPUT ENABLED...

Страница 10: ...040 Remote Interface Command Transmit Frequency Tx XXXXX XXXXMHz ORF Output RF ALC Enable Disable Out RF ALC AE OR Output RF Threshold Enable Out RF Thres En TE OR Out RF Thres H S Output RF Threshold...

Страница 11: ...ignaling channel 18 42 MHz or sub band for the upstream received signals 90 MHz high stability frequency reference Sub band of 555 570 MHz for the downstream transmitted signal There is active DC volt...

Страница 12: ...similar to the one pictured below R M A service is available Monday to Friday from 8 30 a m to 4 30 p m CST statutory holidays excepted To obtain an R M A number you may Call 306 955 7075 press 0 for...

Страница 13: ...the event that no fault is found the item is subject to the current Test Fee and will be exempt from warranty 5 Any product exhibiting external damage either from shipping improper handling or use wi...

Страница 14: ...150 Cardinal Place Saskatoon Saskatchewan S7L 6H7 Canada Tel 306 955 7075 Fax 306 955 9919 www vcom com sales vcom com...

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