205
UF-5500 / 4500
11.3.4. Information Code: 416
CROSS REFERENCE:
START
END
Is communication with the
reference unit successful?
Change Function Parameter
#011: Reduce Rx Sensitivity
Level
Yes
No
Yes
No
Change Function Parameter
#023: Increase Training
Check Period
Does the problem still occur?
Replace the MAIN PCB.
Refer to
Sect. Communications.
Does the problem still occur?
Change Function Parameter
#013: Increase G3 Rx
Equalization
Does the problem still occur?
END
Does the problem still occur?
Yes
No
No
Yes
No
Yes
Check the telephone line
condition.
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 ...