Physical Interface Specifications; E1 Transmitters; E1 Receivers - JDS Uniphase HST-3000 User Manual

Appendix F Specifications

Physical interface specifications

Physical interface specifications

E1 Transmitters

E1 Receivers

176
The transmitters operate as per ITU-G.703.
describes the transmitter specifications.
Table 51 Transmitter specifications
Parameter
Outputs
Bit Rate
Line Code
Frequency
Offset
1
Clock Source
1. Internal timing can drift approximately 1ppm per year from the unit's
date of manufacture. If you need keep the drift from going beyond ±
3 ppm, JDSU recommends that you establish a calibration schedule.
The receivers operate as per ITU-G.703.
the receiver specifications.
Table 52 Receiver specifications
Parameter
Inputs
HST-3000 E1 Testing User's Guide
Specification
2 x balanced RJ-48 jacks
Impedance 120 ohms
Unbalanced/ 75 ohms via adapter cables
Range: 2048 MHz ± 512 Hz
Accuracy: ±3 ppm, +1 ppm per year aging
Resolution: 1 Hz
HDB3 or AMI
+/-100 ppm in 1 ppm intervals
Internal, Recovered from RX 1 or RX 2,
External 2M Reference Clock (via optional
cable)
Specification
2 x balanced RJ-48 jacks
Impedance 120 ohms or bridged (HI-Z)
Unbalanced/ 75 ohms via adapter cables
Table 51
Table 52 describes