Comdial FXIST-08 Скачать руководство пользователя страница 5 | Manualshive

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Creating a Static Safe Work Area

When removing circuit boards from an installation location for servicing, always transport them to a static-safe
work area in static protection bags. If you do not already have a static-safe work area, you can create one by
arranging a work area as detailed in the illustration.

Installing The IST Board – 5

Installing The IST Station Board

IMI89–268

Typical Earth
Ground

Static

Wrist

Strap

ESD Protective

Mat

ESD Protective

Mat

ESD Protective

Worksurface

Static 2

Common Point Ground

Creating A Static Safe Work Area

Typical Earth
Ground

Static

Wrist

Strap

ESD Protective

Mat

ESD Protective

Mat

ESD Protective

Worksurface

Static 2

Common Point Ground

Creating A Static Safe Work Area

Typical Earth
Ground

Static

Wrist

Strap

ESD Protective

Mat

ESD Protective

Mat

ESD Protective

Worksurface

Static 2

Common Point Ground

Creating A Static Safe Work Area

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Содержание FXIST-08

Страница 1: ...Besides the onboard DTMF receivers that some boards provide the auxiliary board accepts optional DTMF receiver cards up to three cards per board and the Interface board accepts one optional receiver card Each receiver card allows four ISTs to dial simultaneously The overall number of DTMF receivers you need to install depends upon how active the ISTs will be at the site See the section titled Dete...

Страница 2: ... MAUX provides 8 onboard DTMF receivers and the FXAUX2 16 provides 16 onboard DTMF receivers Further you can add up to three DTMF receiver cards to any auxiliary board to provide an additional 12 DTMF receivers over any onboard support provided by the Auxiliary board or add one DTMF card to the Interface board However adding these cards prevents you from adding other option cards such as communica...

Страница 3: ...es Simultaneous Dialing Telephones Complying With Underwriters Laboratories Regulations Per The Underwriters Laboratories regulation be aware of the following precautions when installing telephone equipment that is to be directly connected to the telephone company network Never install telephone wiring during a lightning storm Never install telephone jacks in wet locations unless the jack is speci...

Страница 4: ...al battery back up assembly before you remove or install the circuit board However if the board does include a pre charge port you can connect a standard telephone handset cord between the pre charge port on the circuit board and the pre charge port on the power supply assembly FXS and remove or install the circuit board while the system is operating On FXT systems the pre charge cord is pre wired...

Страница 5: ...talling The IST Station Board IMI89 268 Typical Earth Ground Static Wrist Strap ESD Protective Mat ESD Protective Mat ESD Protective Worksurface Static 2 Common Point Ground Creating A Static Safe Work Area Typical Earth Ground Static Wrist Strap ESD Protective Mat ESD Protective Mat ESD Protective Worksurface Static 2 Common Point Ground Creating A Static Safe Work Area Typical Earth Ground Stati...

Страница 6: ...rom it s static protection bag until you are ready to install it Conversely when you remove a station board from the cabinet immediately place it in a static protection bag 4 Locate the proper board slot on Impact FX systems the station boards connect to any universal slot 5 If you are removing or installing the station board in an operating system connect the free end of the pre charge cord to th...

Страница 7: ...Installing The IST Board 7 Installing The IST Station Board IMI89 268 screws2 cdr Locating Board Hardware remove cdr Removing And Installing Circuit Boards ...

Страница 8: ...industry standard telephone per EIA specs cannot exceed 300 ohms maximum DC load resistance of the wiring between the common equipment and the industry standard telephone plus the DC resistance of telephone itself cannot exceed 460 ohms maximum If spare conductors exist in the cables that you run between the station boards and the 66M xx connector blocks it is a good practice to connect the spare ...

Страница 9: ... connector block Punch down the station wiring on the 66M xx connector block Route the house wiring for the stations from the station termination to individual station jacks typically 625A 4 modular wall jacks 6 5 4 3 2 1 TI RI R2 T2 GREEN RED Front View Of Jack 1 No Connection 2 No Connection 3 Ring 1 Red Wire Voice 4 Tip 1 Green Wire Voice 5 No Connection 6 No Connection Station Site station cdr...

Страница 10: ...ath Green 9 Brown Red 9 18 Red Red Slate 10 35 19 Signal Path Yellow 10 Slate Red 10 20 Black Black Blue 11 36 21 Signal Path Green 11 Blue Black 11 22 Red Black Orange 12 37 23 Signal Path Yellow 12 Orange Black 12 24 Black Black Green 13 38 25 Signal Path Green 13 Green Black 13 26 Red Black Brown 14 39 27 Signal Path Yellow 14 Brown Black 14 28 Black Black Slate 15 40 29 Signal Path Green 15 Sl...

Страница 11: ... requires 24 timing circuits In the Impact FX each universal slot provides 32 timing circuits Because of this timing circuit provision of each slot you can place any station or line board at any slot location with no restrictions Adding boards without renumbering If you install or relocate a station or line board this board does not operate until you take appropriate programming action If you use ...

Страница 12: ... each installed telephone with a DC voltmeter Then call the industry standard telephone to stimulate the ring generator assembly and measure the AC ringing voltage across the Tip and Ring leads for each installed telephone with an AC voltmeter The measured voltages must be within the limits shown in the chart below If your measured readings are different from these charted values it could indicate...

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