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Appendix A
Specifications
MSAM specifications
T-BERD/MTS/SC Getting Started Guide
Page 204
22046537, Rev. 016
March 2018
E3/DS3/STS-1 PIM specifications
Refer to these tables for specifications for the E3/DS3/STS-1 PIM:
•
list specifications when
running E3 applications.
•
list specifications when
running DS3 applications.
•
through
list specifications when
running STS-1 applications.
Receiver (E3 circuits)
lists specifications for the receiver when running applications for E3 circuits.
Transmitter (E3 circuits)
lists specifications for the transmitter when running applications for E3 circuits.
Table 96
E3 receiver specifications
Parameter
Specification
Connector
One BNC (RX1)
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 97
E3 transmitter specifications
Parameter
Specification
Connector
One BNC (TX/RX2); used as transmitter only
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
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