Fluke 635 User Manual page 5

2-70. YELLOW ALARM/HISTORY LEDs .................................. 2-26
2-71. DS1 IDLE SIGNAL/HISTORY LEDs.................................. 2-26
2-72. PATTERN SYNC LOSS/HISTORY LED............................ 2-26
2-73. Error Inject LEDs (QuickBERT-T1 only)................................. 2-27
2-74. Receive Loop Up/Down LEDs (QuickBERT-T1 only) ............ 2-27
2-75. Send Loop Up/Down LEDs (QuickBERT-T1 only) ................. 2-27
2-76. Rx Input LEDs .......................................................................... 2-27
2-77. Pattern LEDs............................................................................. 2-27
2-78. Tx Line Code LEDs (QuickBERT-T1 only) ............................. 2-28
2-79. Frame LEDs .............................................................................. 2-28
2-80. Low Battery LED...................................................................... 2-28
2-81. BATTERY SAFE MODE............................................................. 2-29
2-82. BATTERY PACK......................................................................... 2-29
3 Operation .................................................................................... 3-1
3-1. Introduction .................................................................................. 3-1
3-2. Automatic Evaluation ................................................................... 3-1
3-3. Framing Evaluation................................................................... 3-1
3-4. Pattern Evaluation..................................................................... 3-2
3-5. Line Code Evaluation ............................................................... 3-2
3-6. Evaluating Live Traffic ................................................................. 3-2
3-7. Capturing and Displaying DTMF Digits....................................... 3-6
3-8. Performing a BIT Error Rate Test (BERT)
(Quick BERT-T1 only) ................................................................. 3-7
3-9. Performing Fractional T1 BERT................................................... 3-9
3-10. Performing Clock-Slip Measurements .......................................... 3-11
Appendices
A Specifications .................................................................................. A-1
Index
iii
Contents
(continued)