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Detailing The Line Board Connections

25-Pair Connections

Line Pair Connections

Line Identification

Wire Color

Pair

Pin
No.

Clip
Term.

Pair Identification

Line Port

CO Number

White-Blue

1

26

1

Signal Path

Tip

1

Blue-White

1

2

Ring

White-Orange

2

27

3

Signal Path

Tip

2

Orange-White

2

4

Ring

White-Green

3

28

5

Signal Path

Tip

3

Green-White

3

6

Ring

White-Brown

4

29

7

Signal Path

Tip

4

Brown-White

4

8

Ring

White-Slate

5

30

9

Signal Path

Tip

5

Slate-White

5

10

Ring

Red-Blue

6

31

11

Signal Path

Tip

6

Blue-Red

6

12

Ring

Red-Orange

7

32

13

Signal Path

Tip

7

Orange-Red

7

14

Ring

Red-Green

8

33

15

Signal Path

Tip

8

Green-Red

8

16

Ring

Red-Brown

9

34

17

Signal Path

Tip

9

Brown-Red

9

18

Ring

Red-Slate

10

35

19

Signal Path

Tip

10

Slate-Red

10

20

Ring

Black-Blue

11

36

21

Signal Path

Tip

11

Blue-Black

11

22

Ring

Black-Orange

12

37

23

Signal Path

Tip

12

Orange-Black

12

24

Ring

Black-Green

13

38

25

Signal Path

Tip

13

Green-Black

13

26

Ring

Black-Brown

14

39

27

Signal Path

Tip

14

Brown-Black

14

28

Ring

Black-Slate

15

40

29

Signal Path

Tip

15

Slate-Black

15

30

Ring

Yellow-Blue

16

41

31

Signal Path

Tip

16

Blue-Yellow

16

32

Ring

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

Aux. Equipment
Interface

Tip

Brown-Violet

24

48

Ring

Violet-Slate

25

50

49

Power Fail
Station

Tip

Slate-Violet

25

50

Ring

Be sure to ground all unused cable
pairs to minimize RF interference.

Installing The Loop Start Line Board

IMI89–266

Connecting The Telephone Lines – 7

Содержание FXLST-04

Страница 1: ...ne wiring during a lightning storm Never install telephone jacks in wet locations unless the jack is specifically designed for wet locations Never touch uninsulated telephone wires or terminals unless the telephone line has been disconnected at the network interface Use caution when installing or modifying telephone lines Avoid using a telephone other than a cordless type during an electrical stor...

Страница 2: ...in the FX Series cabinet you must install a static discharge wrist strap on your bare wrist and adjust it for a snug fit Be sure that the strap is touching bare skin and is not isolated by clothing Connect the wrist strap cord between the wrist strap and a AC or earth ground Unless a circuit board has a pre charge port on its front panel disconnect the AC power cord from the AC service outlet and ...

Страница 3: ...t already have a static safe work area you can create one by arranging a work area as detailed in the illustration 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 Installing The Loop Start Line Board IMI89 266 Removing and Installing Circuit Boards in the Equipment Cabinet 3 ...

Страница 4: ...ocate the proper board slot on FX Series systems the loop start line boards connect to any universal slot 5 If you are removing or installing the line board in an operating system connect the free end of the precharge cord that you installed in step 1 to the precharge jack on the line board 6 If you are removing line boards from the cabinet remove the retaining hardware pull the boards toward you ...

Страница 5: ...s2 cdr Locating The Board Retaining Hardware remove cdr Removing And Installing Circuit Boards Installing The Loop Start Line Board IMI89 266 Removing and Installing Circuit Boards in the Equipment Cabinet 5 ...

Страница 6: ... group and place calls trunk to trunk calling may experience low audio levels on their calls due to the normal line resistance of CO lines Low audio level is usually only noticeable on long line loops If signal loss is a problem at your site try adding a line amplifier repeater in the DISA line Comdial does not recommend DISA for use on loop start lines without disconnect supervision While DISA wi...

Страница 7: ... Blue 11 36 21 Signal Path Tip 11 Blue Black 11 22 Ring Black Orange 12 37 23 Signal Path Tip 12 Orange Black 12 24 Ring Black Green 13 38 25 Signal Path Tip 13 Green Black 13 26 Ring Black Brown 14 39 27 Signal Path Tip 14 Brown Black 14 28 Ring Black Slate 15 40 29 Signal Path Tip 15 Slate Black 15 30 Ring Yellow Blue 16 41 31 Signal Path Tip 16 Blue Yellow 16 32 Ring Yellow Orange 17 42 33 Oran...

Страница 8: ...uires 24 timing circuits In the FX Series 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 an a...

Страница 9: ... jack and use it to provide basic communications capability until the AC power to the system is restored Pair 25 pin numbers 50 and 25 clip terminals 49 and 50 on the line board connector jack provides the power failure connection 37 38 39 40 41 42 43 44 45 46 47 48 49 50 Power Failure Terminals on Line Board Connection Block Pair 25 Pins 50 and 25 Clip Terminals 49 and 50 Typical Industry Standar...

Страница 10: ...umbers 49 and 24 clip terminals 47 and 48 and is associated with line 2 of that line board Charlottesville Virginia 22901 2829 R World Wide Web http www comdial com C E R T I F I E D I S O 9 0 0 1 Accredited by the Dutch Council for Accreditation for certification and registration activities CERTIFICATION Comdial s Quality Management System Is Certified To The ISO 9001 Standard A C C R R E I S T R...

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