Internal Synthesizer Specifications; X.21 Interface Specifications - Viavi T-BERD MTS 5800 Getting Started Manual

Appendix A Specifications
MSAM specifications

Internal synthesizer specifications

Table 49
Table 49 Internal synthesizer specifications
Item
Accuracy
Resolution
Synchronous data rate

X.21 interface specifications

Recommendation X.21 describes a data communications interface that uses balanced
X.26 circuits (equivalent to V.11) and unbalanced X.27 circuits (equivalent to V.10)
circuits. The MSAM X.21 interface uses V.11 amplifiers.
Table 50
Table 50 X.21 interface specifications
Specification
Termination impedance
Timing modes
Maximum speed
Minimum output range
Maximum input range
Rise/Fall times
Receiver minimum input
sensitivity
Hysteresis
Supported circuits
Table 51
Table 51 X.21 circuits
Supported Circuits
C
I
Page 180
provides specifications for the MSAM's internal synthesizer.
Description
+/- 1,5 ppm
+/- 1 ppm per year aging
1 Hz
User selectable from 0.005 kHz to 20000 kHz, with a
resolution of 1 Hz. See the
Diphase Testing Manual
supported for each interface.
lists the MSAM X.21 interface specifications.
Description
100 Ohm for balanced circuits, with 10% tolerance.
Synchronous
20 Mbps
+/- 2 V terminated
+/- 12 V
– Clock/data: 6 ns
– Signaling: 10 ns
+/- 200 mV
Meets minimum input range
lists the X.21 circuits supported by the MSAM.
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T-BERD/MTS/SC Getting Started Guide
22046537, Rev. 016
Data Communications and
for the synthesizer frequencies
March 2018