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Appendix A
Specifications
MSAM specifications
T-BERD/MTS/SC Getting Started Guide
Page 206
22046537, Rev. 016
March 2018
Physical measurements (DS3 circuits)
lists frequency, level, and jitter measurement specifications when running
DS3 applications.
Receiver (STS-1 circuits)
lists specifications for the receivers when running STS-1 applications.
Pulse (high)
Nominal 1.15 Vp. Complies with
ANSI T1.102-1993
and
ITU-T
G.703 (11/01)
after passing through 450 feet of RG59B/U
cable.
Pulse (DSX)
Nominal 0.6 Vp. Complies with
ANSI T1.102-1993
and
ITU-T
G.703 (11/01)
.
Pulse (low)
Nominal 0.35 Vp
Pulse shape
With output terminated in 75
Ω
resistive load and DSX
selected, the T-BERD
⁄
MTS 8000, 6000A, and 5800 meets
ITU-T Recommendation G.703 (11/01)
and
ANSI T1.102-1993
Impedance
Nominal 75
Ω
Table 100
DS3 transmitter specifications (Continued)
Parameter
Specification
Table 101
DS3 frequency and level measurement specifications
Parameter
Specification
Tx and Rx
frequency
– Range: 44.736 MHz ±100 ppm
– Accuracy: ±1.5 ppm, ±1 ppm per year aging
– Resolution: 1 Hz or 1 ppm
Level Vp
– Range: 1.6 V to 0.01 V
– Resolution: 0.01 V
– Accuracy: ±0.05 V ±10%
Table 102
STS-1 receiver specifications
Parameter
Specification
Connector
One BNC (RX1)
Bit rate
51.84 Mbps
Impedance
Nominal 75
Ω
at 26 MHz unbalanced
Range
– High/Low: 0 to 12 dB due to cable loss at 26 MHz, from a
high signal
– DSX/Monitor: -20 dB due to resistive loss in addition to 0 to
9 dB due to cable loss at 26 MHz, from a High signal
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