User's Manual

Appendix A Specifications
E1 specifications
T-BERD/MTS 5800 Getting Started Manual
111
Table 17 lists the input sensitivity specifications for the E1
receiver.
Transmitter (RJ-48) The E1 transmitter operates as per ITU-G.703 (11/01).
Table 18 lists the transmitter specifications.
Level
Measurement (Balanced)
Level Vp
Range: +4 V to 0.03 V
Accuracy: ±0.02 V ± 10%
Resolution: 0.01 V
Level dBnom
1
:
Range: +2.5 dBnom to -37 dBnom
Resolution: 0.1 dB
1. The designation in dBnom is relative to nominal signal 3 Vp.
Table 16 E1 RJ-48 receiver specifications (Continued)
Parameter Specification
Table 17 E1 RJ-48 receiver sensitivity specifications
Termination
Type
Impedance Input Range
Bridge (HI-Z) >1200
Ω +2.5 to -35 dBnom due to cable loss
Terminate 120 Ω balanced +2.5 to -35 dBnom due to cable loss
PMP 120 Ω balanced -20 dBnom due to resistive loss in
addition to 0 to -6 dB due to cable loss
Table 18 E1 RJ-48 transmitter specifications
Parameter Specification
Connector Balanced RJ-48
Line code HDB3 or AMI
Bit rate Nominal: 2.048 Mbps
Accuracy: ±1.5 ppm, ±1 ppm per year aging
Frequency offset: ±100 ppm in 1 ppm steps