Fig. 3-6 Use Of Etl Bandwidth For A 4 Khz Af Channel - ABB ETL600 Instruction Manual

ABB Switzerland Ltd
ETL600: Usable bandwidth of a 4kHz AF channel
Speech 2000 Hz
Speech 2200 Hz
Speech 2400 Hz
Speech 2600 Hz
Speech 2800 Hz
Speech 3000 Hz
480 720 960 1200 1440
540 900 1260
600 1080
1080
1140
900
1200
Fig. 3-6 Use of ETL bandwidth for a 4 kHz AF channel
3-8
1KHW001489-EN
Speech 3200 Hz
Speech 3400 Hz
NSD600 own
2240
guard options
1680 1920 2160 2400
1620 1980 2340
1560 2040 2520
2040
1700
1980
1740 2520
1980
November 2005
2440
2640
2640 2880 3120 3360
2700 3060 3420
3000 3480
3000
2860
2820
3300
2880
ETL600
Hz
Standard
Pilot
3840 Hz
Standard
NSD600
Guard
guard
3840 Hz
50 Bd/120Hz
(R.35)
Not available in
ETL600 Rel.1
100 Bd/240 Hz
3600 3840
(R.37)
200 Bd/360 Hz
3780
(R.38b)
200 Bd/480 Hz
(R.38a)
600 Bd/960 Hz
1200 Bd narrow
1200 Bd V.23
2400 bps/840Hz
4*2400 bps /
3240Hz
4800 bps/1680Hz
9600 bps/3360Hz
Hz
Structure and Function