SZ-DOC-W5-1.pdf LTU/NTU
Version: 1.5 Operating Manual
105 Revision: 2002-09-10
11 Technical Specifications
11.1 Interfaces
11.1.1 DSL Line Interface
Norm referred: ETSI TS 101 524, ITU-T G.991.2 Annex B
Number of Pairs: 1, 2 or 4
Line Rate per Pair: 200-2320kbit/s ± 32ppm
Line Code: Trellis-coded PAM16
Nominal Line Impedance: 135Ω
Transmit Power @ 135Ω: According to TS 101 524
Overvoltage Protection: LTU: ITU-T K.20: 2000 (K.44:2000)
NTU: ITU-T K.21:2000 (K.44:2000)
Connector Type: RJ-45, 8 pin
11.1.2 User Interface
E1:
Norm referred: ITU-T G.703 / G.704
Bit Rate: 2048kbit/s ± 50ppm
Line Code: HDB3
Framing: ITU-T G.704 / transparent
Input Impedance: 120Ω
75Ω
Signal Amplitude: ± 3.00V @ 120Ω
± 2.37V @ 75Ω
Jitter Performance: According to ITU-T G.823
ESD - Protection: 8kV (Air discharge)
Connector Type: LTU: SubD15 male 120Ω or BNC 75Ω
NTU: SubD9 female 120Ω or BNC 75Ω
PRA:
Norm referred: ETS 300 233, ETS 300 011, ETS 300 046
Comments to this Manuals