204
UF-5500 / 4500
11.3.3. Information Codes: 404, 405, 407
CROSS REFERENCE:
START
END
Is communication with reference
unit successful?
Change Function Parameter #010:
Reduce Tx Attenuation Level
Yes
No
Yes
No
Change Function Parameter #017:
Reduce Tx Modem Speed
Does the problem still occur?
Replace the MAIN PCB.
Does the problem still occur?
Change Function Parameter #025:
Communication Startup to 2nd
Does the problem still occur?
Change Funciotn Parameter #014:
Increase G3 Tx Equalization
Does the problem still occur?
END
Does the problem still occur?
Check the telephone line condition.
Does the problem still occur?
(Recording paper may have run
Check the remote unit.
out, or paper may have jammed.)
Refer to
Sect. Communications
.
Yes
No
Yes
No
Yes
Yes
No
No
Yes
No
Summary of Contents for UF-4500
Page 180: ...180 UF 5500 4500 ...
Page 248: ...248 UF 5500 4500 13 5 Test Chart 13 5 1 ITU T No 1 Test Chart ...
Page 249: ...249 UF 5500 4500 13 5 2 ITU T No 2 Test Chart ...
Page 281: ...281 UF 5500 4500 10 10 11 15 12 17 18 19 20 21 22 23 24 28 29 30 27 25 26 21 13 14 16 30 ...
Page 287: ...287 UF 5500 4500 130 131 132 133 134 135 136 137 138 139 140 141 PCB2 A UF 5500 only CN1 ...
Page 297: ...297 UF 5500 4500 ...
Page 305: ...305 UF 5500 4500 ...
Page 311: ...311 UF 5500 4500 501 502 503 504 506 507 505 508 509 511 510 514 513 512 P51 P53 P54 A51 P52 ...
Page 362: ...362 UF 5500 4500 ...