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Appendix A
Specifications
MSAM specifications
T-BERD/MTS/SC Getting Started Guide
Page 220
22046537, Rev. 016
March 2018
Physical measurements
lists frequency and level measurement specifications for STS-1.
E4 electrical specifications
through
list specifications for E4
receivers, transmitters, and frequency and level measurements.
Receiver
lists specifications for the E4 receiver.
Transmitter
lists specifications for the primary E4 transmitter.
Table 132
STS-1 frequency and level measurement specifications
Parameter
Specification
Tx and Rx frequency
Range: 51.84 MHz ±50 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: ±0.02 V ±10%
Table 133
E4 receiver specifications
Parameter
Specification
Input
One BNC connector
Bit rate
139.264 Mbps
Impedance
Nominal 75
Ω
at 70 MHz unbalanced
Range
– Term: 0 to 12 dB due to cable loss at 70 MHz, from a
nominal signal
– PMP: -20 dB due to resistive loss in addition to 0 to 12 dB
due to cable loss at 70 MHz, from a nominal signal
Table 134
E4 transmitter specifications
Parameter
Specification
Output
One BNC connector
Bit rate
139.264 Mbps
Line coding
CMI
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