Viavi T-BERD MTS 5800, Руководство по началу работы

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Appendix A Specifications
MSAM specifications
T-BERD/MTS/SC Getting Started Guide
Page 216 22046537, Rev. 016 March 2018
E3 electrical specifications
Table 124 on page 216 through Table 126 on page 217 list specifications for E3
receivers, transmitters, and frequency and level measurements.
Receiver
Table 124 lists specifications for the E3 receiver.
Transmitter
Table 125 lists specifications for the primary E3 transmitter.
Pulse shape Complies with ITU-T G.703 (11/01)
Table 123 E1 transmitter specifications (Continued)
Parameter Specification
Table 124 E3 receiver specifications
Parameter Specification
Input One BNC connector
Bit rate 34.368 Mbps
Impedance Nominal 75 Ω at 17 MHz, unbalanced
Input Range Term: 0 to 12 dBnom due to cable loss at 17 MHz, from a
nominal signal
PMP: -20 dB due to resistive loss in addition to 0 to 12 dB
due to cable loss at 17 MHz, from a nominal signal
Table 125 E3 transmitter specifications
Parameter Specification
Output One BNC connector
Bit rate 34.368 Mbps
Line coding HDB3
Clock Source (Timing) – Internal reference clock with accuracy ±1.5 ppm,
±1 ppm per year aging
– Recovered from E3 Rx
– External from BITS, SETS, or CLOCK
Frequency offset ±100 ppm, in 1 ppm steps
Pulse Nominal 1.0 Vp Complies with ITU-T G.703 (11/01)
Impedance Nominal 75
Ω