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Appendix A
Specifications
MSAM specifications
T-BERD/MTS/SC Getting Started Guide
Page 212
22046537, Rev. 016
March 2018
Optical specifications
lists specifications for the available PIMs when testing optical circuits.
Clock source (Timing) specifications
lists internal and external timing specifications for the MSAM chassis.
DS1 electrical specifications
through
receivers, transmitters, and frequency and level measurements.
Receivers
lists specifications for the Primary and Secondary DS1 receivers.
Table 115
Optical specifications
Item
Description
Clock frequency accuracy
±1.5 ppm ±1 ppm per year aging
Transmitter frequency offset
±50 ppm from the nominal rate, in 1 ppm steps
Frequency measurement
accuracy
±1.5 ppm ±1 ppm per year aging
APS
1
resolution
accuracy
1. Published resolution and accuracy only ensured when using
Viavi
recommended transceivers (optics).
1ms
1ms
RTD
resolution
accuracy
1
μ
s
2
μ
s
Table 116
Timing specifications
Clock Source
Description
Internal reference
accuracy ±1.5 ppm, ±1 ppm per year aging
External BNC
from BITS, SETS, or CLOCK
Table 117
DS1 receiver specifications
Parameter
Specification
Connectors
Two bantam jacks
Bit rate
1544 kbps ±250 ppm
Line coding
AMI, B8ZS
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