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Detailing the Station Connections

25-Pair Connections

Station Pair Connections

Station Identification

Wire Color

Pair

Pin
No.

Clip
Term.

Pair Identification

Wire Color

Station

Location

(note the site

position in this column)

White-Blue

1

26

1

Signal Path

Green

1

Blue-White

1

2

Red

White-Orange

2

27

3

Signal Path

Yellow

2

Orange-White

2

4

Black

White-Green

3

28

5

Signal Path

Green

3

Green-White

3

6

Red

White-Brown

4

29

7

Signal Path

Yellow

4

Brown-White

4

8

Black

White-Slate

5

30

9

Signal Path

Green

5

Slate-White

5

10

Red

Red-Blue

6

31

11

Signal Path

Yellow

6

Blue-Red

6

12

Black

Red-Orange

7

32

13

Signal Path

Green

7

Orange-Red

7

14

Red

Red-Green

8

33

15

Signal Path

Yellow

8

Green-Red

8

16

Black

Red-Brown

9

34

17

Signal Path

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

Slate-Black

15

30

Red

Yellow-Blue

16

41

31

Signal Path

Yellow

16

Blue-Yellow

16

32

Black

Yellow-Orange

17

42

33

Orange-Yellow

17

34

Yellow-Green

18

43

35

Green-Yellow

18

36

Yellow-Brown

19

44

37

Brown-Yellow

19

38

Yellow-Slate

20

45

39

Slate-Yellow

20

40

Violet-Blue

21

46

41

Blue-Violet

21

42

Violet-Orange

22

47

43

Orange-Violet

22

44

Violet-Green

23

48

45

Green-Violet

23

46

Violet-Brown

24

49

47

Brown-Violet

24

48

Violet-Slate

25

50

49

Slate-Violet

25

50

10 – Installing The IST Board

IMI89–268

Installing The IST Station Board

Summary of Contents for FXIST-08

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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 ...

Page 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 ...

Page 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...

Page 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...

Page 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 ...

Page 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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