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Appendix A
Specifications
T-BERD / MTS 5800 and Smart Class 4800 specifications
T-BERD/MTS/SC Getting Started Guide
Page 170
22046537, Rev. 016
March 2018
Transmitter (DS3 circuits)
lists specifications for the transmitter when running DS3 applications.
Impedance
Nominal 75
Ω
at 22 MHz unbalanced
Input Range
High/Low: 0 to 12 dB due to cable loss at 22 MHz, from a high
signal
DSX/Monitor: -20 dB due to resistive loss in addition to 0 to 9 dB
due to cable loss at 22MHz, from a High signal
Table 30
DS3 receiver specifications (Continued)
Parameter
Specification
Table 31
DS3 transmitter specifications
Parameter
Specification
Output
For 5800 v1 and v2, one BNC (TX/RX2) can be used as
transmitter or receiver. For 5800-100G and 5882, one HD-
BNC (TX\RX2) can be used as transmitter or receiver.
Bit rate
44.736 Mbps
Line coding
B3ZS
Clock Source
(Timing)
– Internal reference clock with accuracy ±1.5 ppm, ±1 ppm
per year aging
– Recovered from DS3 Rx1
– External from BITS, SETS, or CLOCK
Frequency offset
±100 ppm, in 1 ppm steps
Pulse (high)
Nominal 1.15 Vp. Complies with
ANSI T1.102-1993
and
ITU-
T G.703 (11/01)
after passing through 450 feet of RG59B/U
cable.
Pulse (DSX)
Nominal 0.6 Vp. Complies with
ANSI T1.102-1993
and
ITU-
T G.703 (11/01)
.
Pulse (low)
Nominal 0.35 Vp
Pulse shape
With output terminated in 75
Ω
resistive load and DSX
selected, the T-BERD
⁄
MTS 8000, 6000A, and 5800 meets
ITU-T Recommendation G.703 (11/01)
and
ANSI T1.102-
1993
Impedance
Nominal 75
Ω
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