E.F. Johnson Company MULTI-NET II Especificaciones descargar pdf (Pagina 50)

SYSTEM RACK

4-24

2. All PTMs should be installed and configured as

follows:

Switch Sections Closed Sections Open

S5, S7 3,4,5,6,7 1,2

S6, S8 2,3,6 1,4,5,7,8

3. Select one of the 8 Backplane boards for measuring.

Measurements can be made on any of the

64-pin connectors on the Backplane selected.

4. All measurements should be referenced to ground

(pins 9, 10, 41 or 42) unless otherwise noted.

5. All test readings should be within 5% of the

following specifications:

Pins Ohms

16/48 37.5

17/49 37.5

18/50 37.5

19/51 75.0

20/52 37.5

21/53 37.5

22/54 100 (measured to +5V DC*)

23/55 37.5

24/56 100 (measured to +5V DC*)

* Pins 11, 12, 43 or 44.

6. On the top Backplane board, the following measure-

ments should be referenced to ground (pins 9, 10, 41

or 42).

Center Pin of Ohms

J5 37.5

J6 37.5

J23 19.2

J24 19.2

NOTE: The four readings should be ±1 ohm from

the test specifications.

7. Test is completed.

Disconnect the cables from the Call Processor.

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E.F. Johnson Company MULTI-NET II Especificaciones Pagina 50