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APPENDIX E
TROUBLESHOOTING
PATTON ELECTRONICS MODEL 1060
SYMPTOM PROBLEM SOLUTION
APPENDIX E
(continued)
TROUBLESHOOTING
PATTON ELECTRONICS MODEL 1060
SYMPTOM PROBLEM SOLUTION
"TD" and "RD" LEDs
indicate activity, but
units will not com-
municate or data is
garbled
"TD" and "RD" LEDs
indicate activity, but
"CD" LED is unlit or
red (should be
green)
Occasional data
errors
1. Improper RS-232
wiring
2. Improper twisted
pair wiring
3. Improper bit rate
setting
1. Defective twisted
pair line
2. Poor twisted pair
connections to Model
1060s
1. Distance/bit rate
capacity exceeded
2. Poor quality twisted
pair circuit
3. Poor twisted pair
connections to Model
1060s
1. Check wiring
between Model 1060
and connected serial
device—it should be
straight through
2. Compare your twist-
ed pair wiring with the
diagram in Section 4.1
3. Make sure the bit
rates on all connected
serial devices are the
same
1. Test continuity of
twisted pair line
2. Check screw termi-
nal/RJ-11 connections
to Model 1060s; check
integrity of plug RJ-11
terminations
1. Check specifications
in Appendix B
2. Use a different twist-
ed pair circuit if avail-
able
3. Check screw termi-
nal/RJ-11 connections
to Model 1060s; check
integrity of plug RJ-11
terminations
LEDs do not light
when AC power
transformer is
plugged into wall
No data transfer in
either or both
directions
1. The AC transformer
is not plugged into the
Model 1060
2. Loose power con-
nection
3. Outlet is defective
4. AC power adapter
is defective
1. Improper twisted
pair wiring
2. Improper DCE/DTE
setting
3. Improper bit rate
setting
4. Improper
"control input" pin set-
ting
5. Distance specifica-
tions exceeded
1. Have another cup of
coffee!
2. Make sure the AC
connection is flush
3. Try a different outlet
4. Call Patton
Electronics for a
replacement adapter
1. Compare your twist-
ed pair wiring with the
diagram in Section 4.1
2. Set both DCE/DTE
switches alike, accord-
ing to the instructions
in Section 3.2
3. Be sure all bit rate
settings on all connect-
ed serial ports are the
same
4. The transmitter must
be enabled by a spe-
cific "control input" pin
(refer to Table 1 in
Section 3.3)
5. Check specifications
in Appendix B