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 222 22046537, Rev. 016 March 2018
Transmitter
Table 137 lists specifications for the STM-1 transmitter.
Physical measurements
Table 138 lists frequency and level measurement specifications for STM-1.
10/100/1000Base T electrical specifications
The Transport Module provides up to two connectors with interfaces that support rates
of 10Base-T, 100Base-T, and 1000Base-T. Each connector is fully compliant with IEEE
802.3, IEEE 802.3u, and IEEE 802.3ab.
Optical interface specifications
Table 139 describes the optical interface specifications for the internal SONET, SDH,
and Ethernet optical connectors for non-jitter and wander applications.
Table 137 STM-1 transmitter specifications
Parameter Specification
Output One BNC connector
Bit rate 155.52 Mbps
Line coding CMI
Tx clock
(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 ±50 ppm, in 1 ppm steps
Pulse Nominal 1.0 Vpp Complies with ITU-T G.703 (11/01)
Impedance Nominal 75 Ω
Table 138 STM-1 frequency and level measurement specifications
Parameter Specification
Tx and Rx
Frequency
– Range: 155.52 MHz ±50 ppm
– Accuracy: ±1.5 ppm, ±1 ppm per year aging
– Resolution: 1 Hz or 1 ppm
Level Vpp – Range: 1.2 V to 0.01 V
– Resolution: 0.01 V
– Accuracy: ±0.02 V ±10%