Schmid Watson Specifications Page 99

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Revision: 2006-04-27
11-1
11 Technical Specifications
11.1 Interfaces
11.1.1 DSL Line Interface
Standard referred: ETSI TS 101 524, ITU-T G.991.2 Annex B (Revision 2004)
Number of Pairs: 1, 2 or 4
Line Rate per Pair: 200 – 5'704 kbit/s
Line Code: Trellis-coded PAM-16, PAM-32
Nominal Line Impedance:
135
Transmit Power @ 135:
According to TS 101 524
Overvoltage Protection: plugin: ITU-T K.20: 2000 (K.44: 2000)
tabletop: ITU-T K.21: 2000 (K.44: 2000)
Connector Type: RJ-45, 8 pin
Wetting current source 2.7 mA @ 48VDC per pair (with 48VDC power supply and 0 Ohm loop
resistance)
Wetting current sink Plugin: 1.5 mA per pair (0 Ohm loop resistance)
Tabletop: 0.25 mA per pair in 1-pair operation
0.125 mA per pair in 2-pair operation
11.1.2 Ethernet Interfaces
Standard referred: IEEE 802.3
Crossover Auto-Crossover
Bitrate 10/100 Mbps (Autonegotiation)
Duplex Mode Half/Full Duplex (Autonegotiation)
Flow control PAUSE Frames (full duplex)
Backpressure (half duplex)
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