150-419-100-03>
Appendix A- Technical Specifications
HRU-419 List 1
September 25, 1998
49
DS1
Delay (one-way)
<220 µs per span
Line Impedance
100
Ω
Pulse Output
0 dB (RLEV = 0), -15 dB (RLEV = -15)
Input Level
> - 22.5 dB
Line Rate
1.544 Mbps ± 200 bps
Output Wander
(MTIE and TVAR)
Compliant with Section 7.2.1 of the
T1X1.3/90-026R7 SONET Committee
Report
Line Form
AMI, B8ZS, or ZBTSI
Frame Form
ESF, SF or unframed
Line Clock Rate
Internal Stratum 4 clock
F
UNCTIONAL
D
ESCRIPTION
This section describes the functions of the HRU-419.
O
PERATIONAL
C
APABILITIES
HiGain utilizes 2B1Q HDSL transceiver systems to establish two full-duplex
784 Kbps data channels between the HLU and a remotely-mounted
HRU-419. This provides a total capacity of 1.568 Mbps between the two
units. A block diagram of the HRU-419 is shown in
.
