1-2
T1/E1
Interface
Circuit
N x 64K
Transceiver
T1/E1
Interface
Circuit
N x 64K
Transceiver
Loop1
Loop2
HTU-C
HTU-R
T1/E1 Interface
T1/E1 Interface
1.544Mbps
or
2.048Mbps
1.544Mbps
or
2.048Mbps
DTE
DTE
RS-530/V.35
RS-449/X.21
RS-530/V.35
RS-449/X.21
Figure 1-1 WireSpan 3000
T1/E1
Interface
Circuit
Transceiver
T1/E1
Interface
Circuit
Transceiver
Loop1
Loop2
HTU-C
HTU-R
T1/E1 Interface
T1/E1 Interface
1.544Mbps
or
2.048Mbps
1.544Mbps
or
2.048Mbps
Figure 1-2 WireSpan 3000E
The HDSL technology provides a transport method that enables the
transmission of data rates up to 2.320Mb/s over long distances of
unconditioned, voice-grade twisted-pair wire. Although the exact
distances achievable are dependent upon the exact data rate
required (cable conditions and configurations, presence and length
of bridge taps, and severity of external noise sources) distances of
between 3.7Km(10,000 feet) and 4.5Km(14,850 feet) have been
demonstrated. Please refer to Appendix A for the detail
Содержание WireSpan 3000
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