User's Manual

Appendix A Specifications
E4/STM-1e specifications
120 T-BERD/MTS 5800 Getting Started Manual
Physical
measurements
(E4 circuits)
Table 30 lists frequency and level measurement specifica-
tions when running E4 applications.
Receiver
(STM-1e
circuits)
Table 31 lists specifications for the receiver when running
STM-1e applications.
Table 30 E4 frequency and level measurement specifications
Parameter Specification
Tx and Rx
Frequency
– Range: 139.264 MHz ±100 ppm
– Accuracy: ±1.5 ppm, ±1 ppm per year aging
– Resolution: 1 Hz, or 1 ppm
Level Vpp – Range: 1.4 V to 0.01 V
– Resolution: 0.01 V
– Accuracy: ±0.02 V ±10%
Table 31 STM-1e receiver specifications
Parameter Specification
Connector One BNC
Bit rate 155.52 Mbps
Impedance Nominal 75 Ω at 78 MHz unbalanced
Range Term: 0 to 12.7 dB due to cable loss at 78 MHz, from a
nominal signal
PMP: -20 dB due to resistive loss in addition to 0 to 12.7 dB
due to cable loss at 70 MHz, from a nominal signal