Unable To Obtain Shore Line; Incoming Call Not Received; Call Logging Not Outputting Data; Loss Or Change Of Facilities - Marine microSwitch Technical Manual

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4.3.12

Unable to Obtain Shore Line.

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Check that the line is connected correctly right through from the MicroSwitch to
the shore based exchange. If there is a break in the line, the MicroSwitch will give
no tone.
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Check the programming to verify that the shore line is set and programmed
correctly. See the factory set configurations list. If you have re-programmed the
MicroSwitch exchange, print out the current configuration.
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Check if PIN number access is required.
÷
Change the Switch module.
4.3.13

Incoming Call Not Received

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Check that the designated telephone is connected and operating correctly. If a
night bell has been selected, check that this is operating correctly.
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Check for 'Call Forward' of external calls.
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Check the programming of the shore lines . Refer to the factory set configurations
list. If you have re-programmed the MicroSwitch exchange, print out the current
configuration.
÷
Change the Switch module.
4.3.14

Call Logging Not Outputting Data

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Check that the printer is connected correctly and that the cable is plugged into the
serial port and not the parallel port. It is important that transmitted data (pin 2)
from the MicroSwitch is connected to the printer receive data line. The system is
set up for hardware handshaking operation as standard.
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Check that the printer is set up to operate at 9600 baud with no parity, 8-bit data
and one stop bit and hardware handshaking.
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Check that the printer has paper, a useable ribbon and is 'on-line'.
÷
Change the Processor card.
4.3.15

Loss or Change of Facilities

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Print out the current configuration to check that the facilities have changed.
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If they have changed, this is probably due to a failure of the battery support for the
non volatile RAM on the Processor card and will only be apparent after the
MicroSwitch has been powered down. The expected life of the battery is 10 years,
so failure is unlikely during this period. Refer to the Maintenance section for
details of how to change the battery.
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If the fault persists, replace the Processor card then re-program any special
facilities.
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