BS11Troubleshooting » History » Version 5
dexter, 02/19/2016 10:47 PM
1 | 1 | = Troubleshooting = |
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3 | == Known problems with the LMT connection == |
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5 | {{{ |
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6 | Problem: |
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7 | 4 | 'bs11_config' can't get a connection to the BS-11 (no 'LMT LOGON: ACK') |
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8 | 1 | ||
9 | Solution: |
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10 | 2 | The BS-11 is a little bit choosy about the RS232 levels, I discovered some problems |
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11 | 4 | with my Dell PC (could receive anything, but no tx). Just switch to an el-cheapo USB |
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12 | to Serial adapter, this should solve the problem. |
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13 | 5 | dexter | |
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15 | Some background notes: |
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16 | We measured the RS232 levels and we found out that the level of our RS232<==>USB Adaptor is much lower (about +/-6 Volts) than normaly expected (+/-12V). The BS11 transmits at a semeliar level (about 8 Volts). This may be an explaination why the BS11 does not like the normal (+/-12V) levels. |
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24 | 1 | }}} |