User's Manual

Appendix A Specifications
DS1 specifications
T-BERD/MTS 5800 Getting Started Manual
107
Transmitter Table 11 lists specifications for the DS1 transmitter.
Physical
measurements
Table 12 lists frequency and level measurement specifica-
tions when running DS1 applications.
Table 11 DS1 transmitter specifications
Parameter Specification
Connector One TX/RX2 Bantam jack; only the TX/RX2 jack can be used
as a transmitter
Output 6 Vnom peak-peak into 100
Ω
Complies with ANSI T1.403-1999.
Line build out
(LBO) level
0 dB, -7.5 dB, -15.0 dB or -22.5 dB due to cable loss at 772
kHz
LBO level accu-
racy
At 772 kHz relative to the signal at 0 dBdsx:
– ± 2.5 dB for -7.5 dB
– ±3 dB for -15.0 dB and -22.5 dB
Line code AMI, B8ZS
Clock source
(Timing)
– Internal reference clock with accuracy ±1.5 ppm, ±1 ppm
per year aging
– Recovered from RX1
– External from BITS, SETS, or CLOCK
Frequency offset ±100 ppm, in 1 ppm steps
Pulse shape Terminated with 100
Ω resistive load and 0 dB LBO selected,
the interface meets ITU-T Recommendation G.703 (11/01) and
ANSI T1.102-1993
Table 12 DS1 frequency and level measurement specifications
Parameter Specification
Level V p-p Range: 8.0 V to 0.06 V
Accuracy: ± 0.04 V ± 10%
Resolution: 0.01 V