Samsung SF-530 Series, Руководство по обслуживанию, Страница: 99 / 141

3-9
Samsung Electronics
CIRCUIT DESCRIPTION
Repair Manual
Signaling Rates, and Data Rates
Configuration
Modulation1
Carrier Frequency
(Hz) –0.01%
Data Rate (bps)
–0.01%
Symbol Rate
(Symbols/Sec.)
Bits/Symbol -
Data
Bits/Symbol -
TCM
Constellation
Points
V.34 33600 TCM TCM Note 2 33600 3429 only Note 2 Note 2 Note 2
V.34 31200 TCM TCM Note 2 31200 3200 min Note 2 Note 2 Note 2
V.34 28800 TCM TCM Note 2 28800 3000 min Note 2 Note 2 Note 2
V.34 26400 TCM TCM Note 2 26400 2800 min Note 2 Note 2 Note 2
V.34 24000 TCM TCM Note 2 24000 2800 min Note 2 Note 2 Note 2
V.34 21600 TCM TCM Note 2 21600 2400 min Note 2 Note 2 Note 2
V.34 19200 TCM TCM Note 2 19200 2400 to 3429 Note 2 Note 2 Note 2
V.34 16800 TCM TCM Note 2 16800 2400 to 3429 Note 2 Note 2 Note 2
V.34 14400 TCM TCM Note 2 14400 2400 to 3429 Note 2 Note 2 Note 2
V.34 12000 TCM TCM Note 2 12000 2400 to 3429 Note 2 Note 2 Note 2
V.34 9600 TCM TCM Note 2 9600 2400 to 3429 Note 2 Note 2 Note 2
V.34 7200 TCM TCM Note 2 7200 2400 to 3429 Note 2 Note 2 Note 2
V.34 4800 TCM TCM Note 2 4800 2400 to 3429 Note 2 Note 2 Note 2
V.34 2400 TCM TCM Note 2 2400 2400 only Note 2 Note 2 Note 2
V.23 1200/75 FSK 1700/420 1200/75 1200 1 0 —
V.21 FSK 1080/1750 Up to300 300 1 0 —
V.17 14400 TCM TCM 1800 14400 2400 6 1 128
V.17 12000 TCM TCM 1800 12000 2400 5 1 64
V.17 9600 TCM TCM 1800 9600 2400 4 1 32
V.17 7200 TCM TCM 1800 7200 2400 3 1 16
V.29 9600 QAM 1700 9600 2400 4 0 16
V.29 7200 QAM 1700 7200 2400 3 0 8
V.29 4800 QAM 1700 4800 2400 2 0 4
V.27 ter 4800 DPSK 1800 4800 1600 3 0 8
V.27 ter 2400 DPSK 1800 2400 1200 2 0 4
V.21 Channel 2 FSK 1750 300 300 1 0 —
Notes:
1. Modulation legend: TCM:Trellis-Coded Modulation QAM: Quadrature Amplitude Modulation
FSK:Frequency Shift Keying DPSK: Differential Phase Shift Keying
2. Adaptive; established during handshake:
Carrier Frequency (Hz)
Symbol Rate (Baud) V.34 Low Carrier V.34 High Carrier
2400 1600 1800
2800 1680 1867
3000 1800 2000
3200 1829 1920
3429 1959 1959