APPENDIX E
TROUBLESHOOTING
SYMPTOM | PROBLEM | SOLUTION |
"TD" and "RD" LEDs | 1. Improper | 1. Check wiring |
indicate activity, but | wiring | between Model 1060 |
units will not |
| and connected serial |
communicate or |
|
APPENDIX E
TROUBLESHOOTING (CONTINUED)
SYMPTOM | PROBLEM | SOLUTION |
LEDs do not light | 1. The AC transformer | 1. Have another cup of |
when AC power | is not plugged into the | coffee! |
transformer is | Model 1060 |
|
plugged into wall |
|
|
data is garbled |
| straight through |
| 2. Improper twisted | 2. Compare your |
| pair wiring | twisted pair wiring with |
|
| the diagram in Section |
|
| 4.1 |
| 3. Improper bit rate | 3. Make sure the bit |
| setting | rates on all connected |
|
| serial devices are the |
|
| same |
"TD" and "RD" LEDs | 1. Defective twisted | 1. Test continuity of |
indicate activity, but | pair line | twisted pair line |
"CD" LED is unlit or |
|
|
red (should be | 2. Poor twisted pair | 2. Check screw |
green) | connections to Model | |
| 1060s | connections to Model |
|
| 1060s; check integrity |
2. Loose power connection
3. Outlet is defective
4. AC power adapter
| is defective |
No data transfer in | 1. Improper twisted |
either or both | pair wiring |
directions |
|
| 2. Improper DCE/DTE |
| setting |
2.Make sure the AC connection is flush
3.Try a different outlet
4.Call Patton
Electronics for a replacement adapter
1.Compare your twisted pair wiring with the diagram in Section 4.1
2.Set both DCE/DTE switches alike, according to the instructions in Section 3.2
|
| of plug |
|
| terminations |
Occasional data | 1. Distance/bit rate | 1. Check specifications |
errors | capacity exceeded | in Appendix B |
| 2. Poor quality twisted | 2. Use a different |
| pair circuit | twisted pair circuit if |
|
| available |
| 3. Poor twisted pair | 3. Check screw |
| connections to Model | |
| 1060s | connections to Model |
|
| 1060s; check integrity |
|
| of plug |
|
| terminations |
3. Improper bit rate | 3. Be sure all bit rate |
setting | settings on all |
| connected serial ports |
| are the same |
4. Improper | 4. The transmitter must |
"control input" pin | be enabled by a |
setting | specific "control input" |
| pin (refer to Table 1 in |
| Section 3.3) |
5. Distance | 5. Check specifications |
specifications | in Appendix B |
exceeded |
|
17 | 18 |