
SECTION 7
SPECIFICATIONS
7-3
7.4 OUTPUT SPECIFICATIONS
7.4.1 Transmit Output (TX Jack)
Output Connector: Selectable line build-out (LBO)
of 0, -7.5, -15.0, and -22.5 dB of
cable loss at 772 Hz is provided
on a bantam jack.
Output LBO
Tolerance:
±
1 dB at 772 kHz.
Internal Oscillator
Accuracy:
±
5 ppm.
Line Codes:
AMI or B8ZS.
Error Insert:
Single logic and BPV error in-
sertion.
Pulse Shape:
With output terminated in 100
Ω
resistive load and 0 dB line
build-out selected, the T-BERD
107A meets CCITT Recom-
mendation G.703; AT&T Pub-
lications CB113, CB119,
CB132, CB143, and
PUB62508; and AT&T
PUB62411 pulse shape specifi-
cations.
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 ...