User's Manual

Appendix A Specifications
E1 specifications
110 T-BERD/MTS 5800 Getting Started Manual
Transmitter (BNC) The E1 transmitter operates as per ITU-G.703 (11/01).
Table 15 lists the transmitter specifications.
E1 (RJ-48)
specifications
Table 16 on page 110 through Table 18 on page 111 list spec-
ifications for the E1 (RJ-48) connector.
Receiver (RJ-48) The E1 receiver operates as per ITU-G.703 (11/01). Table 16
lists the receiver specifications.
Table 15 E1 BNC transmitter specifications
Parameter Specification
Connector One unbalanced BNC/ 75
Ω; only the TX/RX2 BNC can be
used as a transmitter
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
Clock Source
(Timing)
– Internal reference clock with accuracy ±1.5 ppm, ±1 ppm
per year aging
– Recovered from Rx1
– External from BITS, SETS, or CLOCK
Frequency offset ±100 ppm in 1 ppm steps
Pulse shape Complies with ITU-T G.703 (11/01)
Table 16 E1 RJ-48 receiver specifications
Parameter Specification
Connector Balanced RJ-48
Bit rate 2.048 Mbps
Frequency
measurement
Range: 2.048 MHz ±250 ppm
Accuracy: ±1.5 ppm, ±1 ppm per year aging
Resolution: 1 Hz