Viavi T-BERD MTS 5800, Руководство по началу работы

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Appendix A Specifications
T-BERD / MTS 5800 and Smart Class 4800 specifications
T-BERD/MTS/SC Getting Started Guide
March 2018 22046537, Rev. 016 Page 173
Receiver (E4 circuits)
Table 36 lists specifications for the receiver when running E4 applications.
Transmitter (E4 circuits)
Table 37 lists specifications for the transmitter when running E4 applications.
Physical measurements (E4 circuits)
Table 38 lists frequency and level measurement specifications when running E4 appli-
cations.
Table 36 E4 receiver specifications
Parameter Specification
Connector For 5800 v1 and v2, one BNC (RX1). For 5800-100G and
5882, one HD-BNC (RX1).
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
– Monitor: -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 37 E4 transmitter specifications
Parameter Specification
Connector For 5800 v1 and v2, one BNC (TX/RX2); used as transmitter
only. For 5800-100G and 5882, one HD-BNC (TX/RX2); used
as transmitter only.
Bit rate 139.264 Mbps
Line coding CMI
Tx clock
(Timing) – Internal reference clock with accuracy ±1.5 ppm, ±1 ppm
per year aging
– Recovered from E4 RX1
– External from BITS, SETS, or CLOCK
Frequency offset ±50 ppm, in 1 ppm steps
Pulse Nominal 1.0 Vpp Complies with ITU-T G.703 (11/01)
Impedance Nominal 75
Ω
Table 38 E4 frequency and level measurement specifications
Parameter Specification
Tx and Rx
Frequency
– Range: 139.264 MHz ±100 ppm
– Accuracy: ±1.5 ppm, ±1 ppm per year aging
– Resolution: 1 Hz, or 1 ppm