Kantronics KAM, Инструкция по эксплуатации

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HARD RESET
25
Hard Reset
The hard reset process is provided to re-initialize the TNC to its default values. This process may
become necessary should operational problems be encountered or when upgrading your firmware
to a newer version. The readout specified in step 5 below will be legible only if your terminal baud
rate is 300. At other terminal baud rates, a reset will occur. However, no display readout will ob-
served. This procedure is performed as follows:
1) Remove the PC board from the case as outlined in the Assembly and Disassembly section,
above.
2) Locate the Text/Normal jumper which is labeled NOR T (normal-test). Jumpers are appropri-
ately labeled on the PC board. Refer to the parts location diagram for help in locating them.
KAM Jumper K6
KPC-4 Jumper K7
KPC-2 Jumper K3
KPC-2400 Jumper K3
3) Place the jumper in the test position.
4) Apply power to the TNC.
5) Observe on the computer display (your terminal program must be set at 300 baud):
EEPROM INIT OK
CHECKSUM OK
RAM OK XXXXX BYTES
REPLACE TEST JUMPER
Some TNCs will not display the REPLACE message.
If you have removed the 2404 EEPROM from your unit for any reason, the EEPROM INIT mes-
sage will read:
EEPROM INIT ERROR
This is a normal indication and does not indicate a failure with your TNC.
6) Turn power off. Do not keep the TNC power on for more than a minute or the regulator will
overheat.
7) Return Test/Normal jumper to the normal position.
8) Reassemble the TNC and return to operation.