Ramsey Electronics BS2C Manual de Instruções descarregar pdf (Página 17)

DCI2 • 17

DCI2 Output Testing

Your DCI2 is configured from the factory to operate in the non-secure, latched

mode for the BCD output so that will make things easy to test. If for some

reason you have reconfigured the unit to operate in some other state we

suggest you reset the configuration to the default state. See the

“CONFIGURATION ENTRY SEQUENCES” table in the “Configuring Your

DCI2” section of this manual.

You will need to refer to the ”Full DTMF Configuration Signals” and “4 to 16

Line Signal Outputs” tables in the “OUTPUT SIGNAL DESCRIPTION” section

to perform output testing. Make sure you have the phone line or other touch

tone signal source connected to the DCI2 and the unit is turned on. First we’ll

test the 16 line outputs on J1 and then move to the BCD output on J2.

16 Line Output Testing

Using the LED tester you just made hold the test lead on J1 pin 14, the Valid

Data signal and touch any button on the phone. The LED should light each

time a button is pressed.

Now, referring to the “4 to 16 Line Signal Outputs” table, touch the LED to the

signal pin on J1 for each of the decoded outputs and press the corresponding

tone. The LED should light for each entry.

BCD Output Testing

1. First reset the DCI2 by turning it off and back on.

2. While holding the test LED on pin 9 of J1, the Valid Data signal, press “1”

and then “#”. The LED should flash one time after the “#” is pressed.

3. Using the LED tester refer to the ”Full DTMF Configuration Signals” table

test each of the 4 BCD output pins, (1, 3, 5, 7) on J1. For the number “1”/”#”

sequence entry the LED should light when touched to pins 7, 5, and 3 and

should not light on pin 1.

4. Now press “2” and then “#”. You should hear the confirmation tones in the

phone and see the activity light flash just like you did in the initial testing steps.

5. Using the LED tester refer to the ”Full DTMF Configuration Signals” table

and test each of the 4 BCD output pins, (1, 3, 5, 7). For the number 2 button

being pressed the LED should light when touched to pins 7, 5, and 1 and

should not light on pin 5.

6. Repeat step 5 for each of the buttons and refer to the ”Full DTMF

Configuration Signals” table. The LED should light on each pin that indicates

a value of “0” in the table for pins 1, 3, 5 and 7 on J1.

7. You can now remove the 220 ohm tester resistor you soldered to the D9

connection for testing purposes.

That’s it. If all the tests were successful your DCI 2 is ready to be put in it’s

case and is ready for use. Proceed to the next section to finish your DCI2 kit.

If you encountered any problems please check your work over carefully for

misplaced components, bad solder connections and solder bridges. If you still

have problems our tech support department will be able to help you find the

problem. Give us a call and we’ll be glad to help you.

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