ABB ETL600 Instruction Manual page 376

Technical Data ETL600 Rel. 1
AUDIO FREQUENCY SERVICES
Application
Number of channels
Frequency offset
Number of speech channels
Speech low-pass filter cut-off frequency
Speech limiter
Speech compander
Telephony
4-wire PAX interface with E&M
Impedance
Transmit level range
Receive level range
2-wire subscriber interface (FXS)
Impedance
Receive level range
Transmit level range
Ringing frequency
Ringing voltage
DC loop voltage
2-wire PAX interface (FXO)
Impedance
Receive level range
Transmit level range
Ringing voltage detection range
Service telephone
Connector for 2-wire telephone set
Teleoperation
Number of ports
Impedance
Input level
Output level
Transit filters
Standard filters
Group delay equalized transit filters
DATA SERVICES
Narrowband data (NSK600)
Application
Number of narrowband modems
Programmable bandwidth and data rates:
Operational data rate [bps]
Data format
Nominal bandwidth [Hz]
(= channel spacing)
Center frequency steps [Hz]
1KHW001498-EN
Transparent transmission of analog voice-frequency signals like speech, teleoperation,
VFT-modems, facsimile.
Up to 3 AF channels with 4 kHz bandwidth each, or
3 channels of 3.2, 2.4 and 2.4 kHz bandwidth respectively, in 8 kHz total bandwidth
For the transparent transmission of speech plus superimposed teleoperation signals
≈ 0 Hz
up to 3 (one in each AF channel)
2.0 kHz to 3.4 kHz, programmable in steps of 200 Hz
+ 3 dBm0
on/off; according to ITU G.162
600 Ohms, balanced
-20 to +5.5 dBm
-20 to +4 dBm
600 Ohms, balanced
-17 to +4 dBm
-17 to +1 dBm
25 or 20 Hz, programmable
50 Vrms open circuit;
≥ 36 Vrms across 2.333 kOhm load
48 VDC ± 15% open loop
600 Ohms, balanced
-17 to +4 dBm
-17 to +1 dBm
20 to 130 Vrms / 17 to 55 Hz
RJ11 on front panel
3 for each AF channel, up to 9 total
600 Ohms, balanced
-20 to +4 dBm
-20 to +8 dBm
3 programmable digital bandpass filters per AF channel
Cut-off frequencies selectable in steps of 60 Hz
Bandpass for teleoperation band above speech
or 3'600 Hz lowpass
Data transmission in bandwidth of less than 4 kHz, in point-point or point-multipoint
applications (e.g. polling SCADA)
up to 4
200 Bd 200 Bd
100 Bd
narrow
≤ 150 ≤ 225
transparent transparent transparent transparent transparent transparent
240 360
60 60
Edition 2005-11-11
1'200 Bd
600 Bd
wide V.23
≤ 300 ≤ 600 ≤ 1'200
480 960 2'400
60 60 n.a.
ABB Switzerland Ltd
1'200 Bd 2'400 4'800
narrow bps bps
≤ 1'200
2'400 4'800
UART UART
1'640 840 1'680
n.a. 60 60
9'600
bps
9'600
UART
3'360
n.a.
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