SECTION 3
3-58
INSTRUMENT
DESCRIPTION
When an FT1 mode is enabled, the following
stress patterns are affected:
VF Tones —
VF tones should not be used when
the 56KxN data rate is selected.
BRIDGTAP and MULTIPAT —
The
BRIDGTAP and MULTIPAT patterns are de-
signed for full T1 bandwidth performance. These
patterns should not be used for FT1 testing.
3.21 FRACTIONAL T1 (FT1) OPTION
— TROUBLESHOOTING
LOOP UP and LOOP DOWN Switches
When testing FT1 circuits, the T-BERD 107A in-
band loop codes are transmitted within the selected
FT1 channel bandwidth or in the ESF datalink.
Summary of Contents for T-BERD 107A
Page 81: ...SECTION 3 3 42 INSTRUMENT DESCRIPTION ...
Page 203: ...6 20 SECTION 6 PRINTER OPERATION ...
Page 239: ...C 18 STRESS PATTERNS APPENDIX C ...
Page 249: ...INTELLIGENT APPENDIX D NETWORK EQUIPMENT D 10 ...
Page 261: ...INDEX T BERD 107A INDEX 12 ...